b.delabre november 2003angra dos reis - brazil eso 2 nd generation instrumentation – optical...
TRANSCRIPT
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
ESO VLT SECOND GENERATIONESO VLT SECOND GENERATIONINSTRUMENTATIONINSTRUMENTATION
Optical designsOptical designs
ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZILNovember 2003November 2003B.Delabre (ESO)B.Delabre (ESO)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
This presentation will show possible This presentation will show possible opticaloptical
designs for ESO second generation VLTdesigns for ESO second generation VLT
instrumentation.instrumentation.
All instruments are still in Phase A All instruments are still in Phase A studiesstudies
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
List of VLT second generation List of VLT second generation instruments:instruments:
HAWK-IHAWK-I (IR imager) (IR imager) KMOSKMOS (multi-objects Integral field spectrograph) (multi-objects Integral field spectrograph) MUSEMUSE (visible integral field spectrograph) (visible integral field spectrograph) X-SHOOTERX-SHOOTER (Medium resolution echelle (Medium resolution echelle
spectrograph from 300-1800 nm)spectrograph from 300-1800 nm) Planet finderPlanet finder (not included in the presentation) (not included in the presentation)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
HAWK-I HAWK-I Large field Infrared ImagerLarge field Infrared Imager
Build by : ESO Build by : ESO PI : Alan Moorwood (ESO)PI : Alan Moorwood (ESO)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-IHAWK-I
CharacteristicsCharacteristics
Field of viewField of view 8.0 x 8.0 arc min or 8.5 x 8.5 arc min 8.0 x 8.0 arc min or 8.5 x 8.5 arc min
depending of the selected conceptdepending of the selected concept Wavelength rangeWavelength range 800 – 2500 nm 800 – 2500 nm ScaleScale 0.117 or 0.125 arc sec/pixel 0.117 or 0.125 arc sec/pixel F/NF/N F/3.8 or F/3.6 F/3.8 or F/3.6 DetectorDetector 4k x 4k (18µm pixel) 4k x 4k (18µm pixel) No spectroscopy availableNo spectroscopy available ( by design) ( by design)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
3 designs are considered :3 designs are considered :
- Compact dioptric design with small filters- Compact dioptric design with small filters
- Larger dioptric design with large filters- Larger dioptric design with large filters
- All reflective design with large filters- All reflective design with large filters
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
DESIGN 1 DESIGN 1
Compact dioptric solutionCompact dioptric solution
8.5 x 8.5 arc min field8.5 x 8.5 arc min field
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
08:42:11
Scale: 0.21 24-Jun-03
119.05 MM
LAYOUT
Folding mirror
Folding mirror
Detector4k x 4k
Cryostat
window
1 m1 m
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
accessible pupilaccessible pupil possibility to use standard 2 inches filterspossibility to use standard 2 inches filters image quality comparable to pixel size for the entire fieldimage quality comparable to pixel size for the entire field distortion freedistortion free no ghost imagesno ghost images no very high incidence angles on the lenses to avoid no very high incidence angles on the lenses to avoid
extreme sensitivity to element tilts and decentrings, extreme sensitivity to element tilts and decentrings, even at the cost of an extra element.even at the cost of an extra element. all spherical surfaces.all spherical surfaces. comfortable back focal distancecomfortable back focal distanceThe thickness and material of the filter must be constantThe thickness and material of the filter must be constantHigh incidence angles on the filters do not permit an effective High incidence angles on the filters do not permit an effective
use ofuse ofNarrow band filtersNarrow band filters
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
13:31:45
Scale: 0.54 ESO 18-Feb-03
46.30 MM
CaF2
STIM28
BaF2
ZnSe Filter
BaF2
ZnS
ZnS
ZnSe
Detector
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
14:09:18
ESO 18-Feb-03
25.40 MM
Cold stop for J Band
14:07:59
ESO 18-Feb-03
25.40 MM
Cold stop for H Band
14:06:19
ESO 18-Feb-03
25.40 MM
Cold stop for K Band
Pupil aberrationsPupil aberrations
The cold stop isThe cold stop isattached to the filterattached to the filter
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
13:14:56
0.000,0.000 DG 0.00, 0.00
0.000,.0167 DG 0.00, 0.17
0.000,.0333 DG 0.00, 0.33
0.000,.0500 DG 0.00, 0.50
0.000,.0667 DG 0.00, 0.67
0.000,.0833 DG 0.00, 0.83
0.000,0.100 DG 0.00, 1.00
FIELDPOSITION
DEFOCUSING 0.00000
.254E-01 MM
Box : 1 pixel
Spot diagramsSpot diagramsPolychromaticPolychromatic1000-2500nm1000-2500nm
Box = 1 pixelBox = 1 pixel
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
13:14:56
0.000,0.000 DG 0.00, 0.00
0.000,.0167 DG 0.00, 0.17
0.000,.0333 DG 0.00, 0.33
0.000,.0500 DG 0.00, 0.50
0.000,.0667 DG 0.00, 0.67
0.000,.0833 DG 0.00, 0.83
0.000,0.100 DG 0.00, 1.00
FIELDPOSITION
DEFOCUSING 0.00000
.254E-01 MM
Box : 1 pixel
Spot diagramsSpot diagrams850 – 1000nm850 – 1000nm
Box = 1 pixelBox = 1 pixel
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
DESIGN 2 DESIGN 2
Large dioptric designLarge dioptric design
8.5 x 8.5 arc min field8.5 x 8.5 arc min field
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
This design has the following advantages with respect toThis design has the following advantages with respect to
the compact design :the compact design :
- Less optical elements (only 5 lenses)- Less optical elements (only 5 lenses)
- No restriction on filter material and thickness, two - No restriction on filter material and thickness, two filterfilter
wheels are accommodated in front of the detectorwheels are accommodated in front of the detector
- Cold stop outside the objective- Cold stop outside the objective
- Relaxed tolerances on lens centerings- Relaxed tolerances on lens centerings
- Narrow band filters can be used- Narrow band filters can be used
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
15:56:36
Scale: 0.18 15-Sep-03
138.89 MM
detector4K x 4K
folding mirror
folding mirror
entrancewindow
coldstop
2 filterwheels
lens objectiv
1.2 m1.2 m
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
16:13:53
0.000,0.000 DG 0.00, 0.00
0.000,.0167 DG 0.00, 0.17
0.000,.0333 DG 0.00, 0.33
0.000,.0500 DG 0.00, 0.50
0.000,.0667 DG 0.00, 0.67
0.000,.0833 DG 0.00, 0.83
0.000,0.100 DG 0.00, 1.00
FIELDPOSITION
DEFOCUSING 0.00000
.183E-01 MM
box : 1pixel (18 microns)
Spot diagramsSpot diagramsPolychromaticPolychromatic1000-2500nm1000-2500nm
Box = 1 pixelBox = 1 pixel
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
16:58:17
15-Sep-03
108.70 MM
K Band
16:57:20
15-Sep-03
108.70 MM
H Band
16:56:18
Scale: 0.23 15-Sep-03
108.70 MM
J Band Pupil for J bandPupil for J band
Pupil for H bandPupil for H bandPupil for K bandPupil for K band
The cold stop is adjustedThe cold stop is adjustedfor K band, vignetting willfor K band, vignetting will
occur for J and H occur for J and H
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-IHAWK-I
DESIGN 3DESIGN 3
All reflective designAll reflective design
8.0 x 8.0 arc min field8.0 x 8.0 arc min field
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-IHAWK-I
Advantages of this designAdvantages of this design : : - Efficiency (93% without filter)- Efficiency (93% without filter)
- Relaxed centering tolerances- Relaxed centering tolerances
- Achromatic- Achromatic
- Problem of refractive indices at cryogenic temperature does not - Problem of refractive indices at cryogenic temperature does not existexist
Drawbacks of this designDrawbacks of this design : :
- - Large sizeLarge size
- Slightly reduced field of view- Slightly reduced field of view
- Distortion is not fully corrected (around 0.002 %)- Distortion is not fully corrected (around 0.002 %)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-IHAWK-I
15:55:49
Scale: 0.09 13-Oct-03
271.74 MM
NasmythFocus
EntranceWindow
SphericalMirror
FilterWheel
Detector4K x 4K
asphericalMirror
Mirror (cold stop)
aspherical
HAWK-I MIRROR SOLUTION
2.3 m2.3 m
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
Axis 1.0 2.0 3.0 4.0 arc min Axis 1.0 2.0 3.0 4.0 arc min
4 arc min4 arc min 25 μm 25 25 μm 25 21 21 15 15 17 17
3 arc min3 arc min 25 25 24 24 20 20 13 13 13 13
2 arc min2 arc min 25 25 23 23 19 19 13 13 10 10
1 arc min1 arc min 24 24 22 22 18 18 13 13 10 10
Axis 21Axis 21 20 17 20 17 13 13 11 11
-1 arc min-1 arc min 18 18 17 17 15 15 12 12 12 12
-2 arc min-2 arc min 15 15 14 14 12 12 10 10 13 13
-3 arc min-3 arc min 11 11 10 10 9 9 10 10 14 14
-4 arc min-4 arc min 12 12 13 13 14 14 15 15 15 15
Image qualityImage quality80% geometrical energy (diameter)80% geometrical energy (diameter)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I GENERATION INSTRUMENTATION – OPTICAL DESIGNS – HAWK-I
08:16:59
16-Sep-03
200.00 MM
08:15:46
16-Sep-03
200.00 MM
14:47:47
31-Oct-03
200.00 MM
The 3 concepts are represented The 3 concepts are represented at the same scaleat the same scale
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
MUSEMUSE Visible integral field spectrographVisible integral field spectrograph
Built by external consortiums : Lyon- Cambridge – Durham – Leiden – Oxford – Built by external consortiums : Lyon- Cambridge – Durham – Leiden – Oxford – Postdam - ZurichPostdam - Zurich
PI : Roland Bacon (Lyon)PI : Roland Bacon (Lyon)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
Integral field spectrographIntegral field spectrograph
Spectral rangeSpectral range : 465 – 930 nm : 465 – 930 nmField of viewField of view : 1.0 x 1.0 arc min (low resolution mode) : 1.0 x 1.0 arc min (low resolution mode) 7.5 x 7.5 arc sec (high resolution mode)7.5 x 7.5 arc sec (high resolution mode)Spatial samplingSpatial sampling: 0.2 arc sec (low resolution mode): 0.2 arc sec (low resolution mode) 0.026 arc sec (high resolution mode)0.026 arc sec (high resolution mode)Spectral samplingSpectral sampling : 0.1 (LR) or 0.0125 (HR) arc sec/pixel : 0.1 (LR) or 0.0125 (HR) arc sec/pixelSpectrographsSpectrographs : 24 single mode spectrographs : 24 single mode spectrographs equipped with 4K x 4K CCDequipped with 4K x 4K CCD Resolving powerResolving power : R=3000 at 700 nm for 2 pixels resolving : R=3000 at 700 nm for 2 pixels resolving
elementelement
Possibility to operate with adaptive opticsPossibility to operate with adaptive optics
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
Optical Optical benchbench
2 x 4 2 x 4 spectrographsspectrographs
2 x 4 2 x 4 spectrographsspectrographs
AO moduleAO module
2 x 4 2 x 4 spectrographsspectrographs
1000 mm1000 mm
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
2 x 4 2 x 4 spectrographsspectrographs
AOAOmodulemodule
Optical benchOptical bench
Calib
rati
on
Calib
rati
on A
dap
tor
flan
ge
Ad
ap
tor
flan
ge
1000 mm1000 mm
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
SpectrographSpectrographcryostatcryostat Image slicersImage slicers
cryostatcryostat
cryostatcryostat
cryostatcryostat
SpectrographSpectrograph
SpectrographSpectrograph
SpectrographSpectrograph
Image slicersImage slicers
Image slicersImage slicers
Image slicersImage slicers
2100 mm2100 mm
400
mm
400
mm
SpectrographSpectrograph
SpectrographSpectrograph
SpectrographSpectrograph
SpectrographSpectrograph
SpectrographSpectrograph
SpectrographSpectrograph
SpectrographSpectrograph
SpectrographSpectrograph
1000 mm1000 mm
SPECTROGRAPH RACKS SPECTROGRAPH RACKS ((2 X 4 SPECTROGRAPHS)2 X 4 SPECTROGRAPHS)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
The fore opticsThe fore optics
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
The fore optics consists ofThe fore optics consists of : :
- An optical relay to produce an image of the telescope focus - An optical relay to produce an image of the telescope focus on a field splitter (this optic has 2 magnifications)on a field splitter (this optic has 2 magnifications)
- An optical derotator- An optical derotator
- A field splitter which cut the field of view in 24 sub-fields- A field splitter which cut the field of view in 24 sub-fields
- 24 transfer optics to send the light to the spectrographs- 24 transfer optics to send the light to the spectrographs
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
08:53:50
Scale: 0.20 03-Nov-03
125.00 MM
Adaptor Adaptor flangeflange
Nasmyth Nasmyth FocusFocus
DerotatorDerotator
F/25 focusF/25 focus
Field splitterField splitter
Large field (1.0 x 1.0 arc min)Large field (1.0 x 1.0 arc min)
1035 mm1035 mm
600
mm
600
mm
Optical relayOptical relay
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
10:02:52
0.000,0.000 DG 0.00, 0.00
0.000,.0042 DG 0.00, 0.35
0.000,.0083 DG 0.00, 0.71
0.000,.0118 DG 0.00, 1.00
FIELDPOSITION
DEFOCUSING 0.00000
.992E-01 MM
15 arcsec
30 arcsec
43 arcsec
Circle = 0.1 arc secCircle = 0.1 arc sec
Large fieldLarge fieldSpot diagramsSpot diagrams
0.097 mm0.097 mm
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE09:14:08
Scale: 0.20 03-Nov-03
125.00 MM
Small field (7.5 X 7.5 arc sec)Small field (7.5 X 7.5 arc sec)
F/200F/200Field splitterField splitter
DerotatorDerotator Nasmyth focusNasmyth focus
Adaptor Adaptor FlangeFlange
ExchangeableExchangeablelenseslenses
Optical relayOptical relay
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
10:14:36
0.000,0.000 DG 0.00, 0.00
0.000,.0005 DG 0.00, 0.35
0.000,.0010 DG 0.00, 0.71
0.000,.0015 DG 0.00, 1.00
FIELDPOSITION
DEFOCUSING 0.00000
.391 MM
1.875 arcsec
3.75 arcsec
5.3 arcsec
Circle = 0.05 arc secCircle = 0.05 arc sec
0.385 mm0.385 mm
Small fieldSmall fieldSpot diagramsSpot diagrams
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
15:55:52
20-Oct-03
25.40 MM
MUSE DEROTATOR
203 mm203 mm
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
08:53:50
Scale: 0.20 03-Nov-03
125.00 MM
Adaptor Adaptor flangeflange
Nasmyth Nasmyth FocusFocus
DerotatorDerotator
F/25 focusF/25 focus
Field splitterField splitter
Large fieldLarge field
1035 mm1035 mm
600
mm
600
mm
AdaptiveAdaptiveopticsoptics
Optical benchOptical bench
CalibrationCalibration unitunit
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
Field slicer and transfer optics Field slicer and transfer optics (developed at CRAL by B.Lanz)(developed at CRAL by B.Lanz)
The 1 x 1 arc min field of view is cut in 24 fields of 20 x 7.5 arc sec The 1 x 1 arc min field of view is cut in 24 fields of 20 x 7.5 arc sec
A transfer optic is used to send individually each field to an image A transfer optic is used to send individually each field to an image slicerslicer
This optic produces also an anamorphic magnification :This optic produces also an anamorphic magnification :
F/25 to F/104 (spatial)F/25 to F/104 (spatial)
F/25 to F/208 (spectral)F/25 to F/208 (spectral)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
Pupil elements
SlicingElements
(at telescopefocal plane)
Slit elements(at Pseudo-slit
plane)
InputPupil
(from telescope)
Exit Pupilplane
SPECTRO-GRAPH
TELESCOPE
The Image slicersThe Image slicers developed at CRALdeveloped at CRAL
by B.Lanz and F.Henaultby B.Lanz and F.Henault
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
The SpectrographsThe Spectrographs
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
A classical design will be too expensiveA classical design will be too expensive No glasses like CaF2 or FK54…. can be No glasses like CaF2 or FK54…. can be
afforded. Only glasses with a price similar afforded. Only glasses with a price similar (max x2.5) to BK7 should be used if (max x2.5) to BK7 should be used if possible.possible.
The spectrographs should be small to The spectrographs should be small to reduce cost, volume and weightreduce cost, volume and weight
No mechanical functions are permitted (no No mechanical functions are permitted (no refocusing and no exchange of dispersive refocusing and no exchange of dispersive elements)elements)
Design guidelines :Design guidelines :
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
Detector 4K x 4K with 15 microns pixelsDetector 4K x 4K with 15 microns pixels Entrance F/N F/4.5 (slit direction)Entrance F/N F/4.5 (slit direction) F/9.0 (dispersion)F/9.0 (dispersion) Output F/N F/2.0 (slit direction)Output F/N F/2.0 (slit direction) F/4.0 (dispersion)F/4.0 (dispersion) Flat entrance slitFlat entrance slit Entrance pupil 3 m after the slitEntrance pupil 3 m after the slit Dispersive element : VPH 700 mm-1Dispersive element : VPH 700 mm-1 Pupil size 45 x 90 mmPupil size 45 x 90 mm Wavelength range 465 – 930 nmWavelength range 465 – 930 nm Estimated transmission around 0.85 without VPHEstimated transmission around 0.85 without VPH
Characteristics :Characteristics :
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
No expensive glasses is equivalent to poor No expensive glasses is equivalent to poor chromatic correctionchromatic correction
Chromatism is compensated by a tilt of the field Chromatism is compensated by a tilt of the field lens and the detectorlens and the detector
The VPH is not operating in a perfect parallel The VPH is not operating in a perfect parallel beam. It has some contributions to the correction beam. It has some contributions to the correction of image qualityof image quality
No refocusing required for correction of No refocusing required for correction of temperature variation (the variation of focus temperature variation (the variation of focus position is 4 position is 4 µµm/m/°C°C for the current design) for the current design)
Exchanges of dispersive elements or spectral Exchanges of dispersive elements or spectral ranges are not possibleranges are not possible
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
11:02:00
Scale: 0.23Position: 1
25-Jun-03
108.70 MM
slit
collimator
VPH
Camera
Cryostat windowand CCD
MUSE SPECTROGRAPH Dispersion plane
920 mm
920 mm
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
11:06:37
Scale: 0.23Position: 1
25-Jun-03
XZ108.70 MM
MUSE SPECTROGRAPH Slit plane
collimator
VPH
camera
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
465 nm 540 nm
07:48:01
0.000,0.000 DG 0.00, 0.00
-0.31,0.000 DG 0.24, 0.00
-0.61,0.000 DG 0.48, 0.00
-0.92,0.000 DG 0.72, 0.00
-1.28,0.000 DG 1.00, 0.00
FIELDPOSITION
DEFOCUSING 0.00000
.305E-01 MM
07:49:59
0.000,0.000 DG 0.00, 0.00
-0.31,0.000 DG 0.24, 0.00
-0.61,0.000 DG 0.48, 0.00
-0.92,0.000 DG 0.72, 0.00
-1.28,0.000 DG 1.00, 0.00
FIELDPOSITION
DEFOCUSING 0.00000
.305E-01 MM
Boxes are 2 x 2 pixelsBoxes are 2 x 2 pixels
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
620 nm 698 nm
07:51:45
0.000,0.000 DG 0.00, 0.00
-0.31,0.000 DG 0.24, 0.00
-0.61,0.000 DG 0.48, 0.00
-0.92,0.000 DG 0.72, 0.00
-1.28,0.000 DG 1.00, 0.00
FIELDPOSITION
DEFOCUSING 0.00000
.305E-01 MM
07:53:03
0.000,0.000 DG 0.00, 0.00
-0.31,0.000 DG 0.24, 0.00
-0.61,0.000 DG 0.48, 0.00
-0.92,0.000 DG 0.72, 0.00
-1.28,0.000 DG 1.00, 0.00
FIELDPOSITION
DEFOCUSING 0.00000
.305E-01 MM
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
775 nm 852 nm
08:02:54
0.000,0.000 DG 0.00, 0.00
-0.31,0.000 DG 0.24, 0.00
-0.61,0.000 DG 0.48, 0.00
-0.92,0.000 DG 0.72, 0.00
-1.28,0.000 DG 1.00, 0.00
FIELDPOSITION
DEFOCUSING 0.00000
.305E-01 MM
08:04:09
0.000,0.000 DG 0.00, 0.00
-0.31,0.000 DG 0.24, 0.00
-0.61,0.000 DG 0.48, 0.00
-0.92,0.000 DG 0.72, 0.00
-1.28,0.000 DG 1.00, 0.00
FIELDPOSITION
DEFOCUSING 0.00000
.305E-01 MM
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
930 nm
08:05:24
0.000,0.000 DG 0.00, 0.00
-0.31,0.000 DG 0.24, 0.00
-0.61,0.000 DG 0.48, 0.00
-0.92,0.000 DG 0.72, 0.00
-1.28,0.000 DG 1.00, 0.00
FIELDPOSITION
DEFOCUSING 0.00000
.305E-01 MM
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
WavWav
SlitSlit465465 540540 620620 698698 775775 852852 930930
6767mmmm
2121 1212 1414 1414 1212 99 2323
4848 2020 1616 1515 1313 1010 88 1414
3232 1515 1414 1212 1010 88 66 1515
1616 1414 1111 99 99 66 88 1515
axisaxis 1313 1010 88 1010 66 77 1616
Rms spot diametersRms spot diameters
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
The collimator is made of 4 lenses in 3 groupsThe collimator is made of 4 lenses in 3 groups
The materials are BK7 (3 lenses) and PBH1 (1 lens)The materials are BK7 (3 lenses) and PBH1 (1 lens)
The field curvature is not corrected (the correction The field curvature is not corrected (the correction is done by a cylindrical surface on back side of is done by a cylindrical surface on back side of the cryostat window.the cryostat window.
CollimatorCollimator
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
10:15:06
Scale: 0.32 22-May-03
78.125 MM
MUSE COLLIMATOR
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
09:57:20
Scale: 0.28 22-May-03
89.29 MM
COMPENSATOR
MUSE COLLIMATOR TEST SETUP
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS -MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS -MUSE
The camera includes 5 lenses made of BK7-NaLF7-The camera includes 5 lenses made of BK7-NaLF7-BK7BK7
PbH1-PbH1. PbH1-PbH1.
The field lens is not included in the cameraThe field lens is not included in the camera
The CameraThe Camera
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
14:59:25
Scale: 0.72 22-May-03
34.72 MM
MUSE CAMERA
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
15:03:00
Scale: 0.67 22-May-03
37.31 MM
MUSE CAMERA TEST SETUP
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
The field lens will also act as cryostat window. The field lens will also act as cryostat window.
A cylindrical surface on its back side will correct the A cylindrical surface on its back side will correct the field curvature of the slit and collimator.field curvature of the slit and collimator.
The lens is perpendicular to the CCDThe lens is perpendicular to the CCD
The full cryostat is decentered and tilted with The full cryostat is decentered and tilted with respect to the camera axisrespect to the camera axis
The field lensThe field lens
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
09:35:01
Scale: 1.30Position: 1
02-Jun-03
XZ19.23 MM
CENTRAL THICKNESS 35 MM
MUSE FIELD LENS
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
MUSE ADAPTIVE OPTICSMUSE ADAPTIVE OPTICS
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
MUSE IS COMPATIBLE WITH 3 OPERATION MUSE IS COMPATIBLE WITH 3 OPERATION MODESMODES::
- WITHOUT ADAPTIVE OPTIC- WITHOUT ADAPTIVE OPTIC - TELESCOPE ADAPTIVE SECONDARY- TELESCOPE ADAPTIVE SECONDARY - MULTI-CONJUGATE ADAPTIVE OPTICS- MULTI-CONJUGATE ADAPTIVE OPTICS No major modification of MUSE are requested to change from No major modification of MUSE are requested to change from
one operation mode to another.one operation mode to another.
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
TELESCOPE ADAPTIVE TELESCOPE ADAPTIVE SECONDARYSECONDARY
(ONE DEFORMABLE MIRROR)(ONE DEFORMABLE MIRROR)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
LGSs attached to telescope center piece rotate like LGSs attached to telescope center piece rotate like telescope pupil at Nasmythtelescope pupil at Nasmyth
1’ Scientific FOV rotates like Nasmyth field rotation1’ Scientific FOV rotates like Nasmyth field rotation Differential rotation between LGSs and scientific FOVDifferential rotation between LGSs and scientific FOV LGS focus varies from 80-180 kmLGS focus varies from 80-180 km LGS defocalisation @ Nasmyth varies from:LGS defocalisation @ Nasmyth varies from: 180-80mm 180-80mm At Nasmyth focal plane LGS footprint varies from: 12-At Nasmyth focal plane LGS footprint varies from: 12-
5mm5mm Nasmyth pixel scale is 582µm/”Nasmyth pixel scale is 582µm/” => LGS at 1’x√2/2+ half LGS foot-print ~70” off-axis=> LGS at 1’x√2/2+ half LGS foot-print ~70” off-axis FOV for LGS-WFS is >4” (spot elongation+3σ seeing)FOV for LGS-WFS is >4” (spot elongation+3σ seeing)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
Laser& NGS light passes through Plate 1Laser& NGS light passes through Plate 1 Plate 2 reflects only the LGS light toward Plate 1Plate 2 reflects only the LGS light toward Plate 1 Plate 2 translates along optical axis to compensate for LGS Plate 2 translates along optical axis to compensate for LGS
focusfocus Plate 1 has 4 small mirrors, located in the central obstruction of Plate 1 has 4 small mirrors, located in the central obstruction of
each laser beam to reflect the LGS light toward the WFSeach laser beam to reflect the LGS light toward the WFS Plate 1 rotates to compensate for LGS rotation and SH pupil Plate 1 rotates to compensate for LGS rotation and SH pupil
rotationrotation WFSs and Plate 1 rotate togetherWFSs and Plate 1 rotate together Plate 2 has a notch filter in the center ~1.5’ field to block the Plate 2 has a notch filter in the center ~1.5’ field to block the
scattered laser light and transmit the scientific fieldscattered laser light and transmit the scientific field Plate 2 has a dichroic slit in the reflective area to transmit the Plate 2 has a dichroic slit in the reflective area to transmit the
NGS toward MUSENGS toward MUSE Plate 2 rotates for the acquisition and tracking of the NGS in the Plate 2 rotates for the acquisition and tracking of the NGS in the
slitslit NGS field rotation is compensated with the 3’ derotatorNGS field rotation is compensated with the 3’ derotator
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
LGS @ 80 km
Laser focal plane
LGS derotator table
LGS focus trackingMirror/dichroic
Scie
nti
fic
fiel
d
LGS reflected light
NGS light
LGS Pupil image
LGS collimator
NA
SM
YT
H F
OC
AL
PL
AN
E
Pla
te 1
Pla
te 2
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
LGS @ 180 km
Laser focal plane
LGS focus trackingMirror/dichroic
Scie
nti
fic
fiel
d
LGS reflected light
NGS light
LGS derotator table
LGS Pupil image
LGS collimator
Pla
te 1
Pla
te 2
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
LGS mirror
Notch filter
NGS acq. slit
Functions:
LGS mirror (at 70” off-axis)LGS focus correctionField stop for laser light (1.5’-3’)LGS dichroic/notch filter (0-1.5’)NGS selector & transmitter
Notch transmission (normal incidence)
0.01%
0.10%
1.00%
10.00%
100.00%
450 500 550 600 650 700 750 800 850 900 950
transmission
wav
elen
gth
(n
m)
Plate 2Plate 2
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
Natural guideNatural guideStar areaStar area
LGSLGSbeambeam
ScientificScientificfieldfield
LGS at 160 kmLGS at 160 kmPlate 1Plate 1
Natural guideNatural guideStar areaStar area
LGSLGSbeambeam
ScientificScientificfieldfield
Plate 1Plate 1
LGS at 80 kmLGS at 80 km
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
FoV 140”
Fast Read-OutCCD
PupilRe-
imagingLens
XY Table
LensletArray
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
MULTI CONJUGATES ADAPTIVE MULTI CONJUGATES ADAPTIVE OPTICSOPTICS
(2 DEFORMABLE MIRRORS + TIP-TILT MIRROR)(2 DEFORMABLE MIRRORS + TIP-TILT MIRROR)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
OPTICAL COMPONENTSOPTICAL COMPONENTS
Ground layer deformable mirror : 180 mmGround layer deformable mirror : 180 mm8.5 km layer deformable mirror : 150 mm8.5 km layer deformable mirror : 150 mmTip-tilt mirror : 180 mmTip-tilt mirror : 180 mm3 lenses objective3 lenses objective1 total reflection prism1 total reflection prism1 pupil relay lens1 pupil relay lens2 folding mirrors2 folding mirrors
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
The full system is located between the adaptor The full system is located between the adaptor flange and the Nasmyth focus (250 mm only are flange and the Nasmyth focus (250 mm only are available)available)
The image produced is identical and at the same The image produced is identical and at the same location than the original Nasmyth image in order location than the original Nasmyth image in order to operate MUSE with or without Adaptive Optics to operate MUSE with or without Adaptive Optics with no modification of the instrument.with no modification of the instrument.
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
CharacteristicsCharacteristics
4 laser guide stars at 70 arc sec off 4 laser guide stars at 70 arc sec off axisaxis
3 arc min field of view for natural 3 arc min field of view for natural guide starguide star
Wavelength range 450 -1000 nmWavelength range 450 -1000 nm
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE16:15:16
Scale: 0.08 13-Oct-03
XZ316.46 MM
Tip-tiltMirror
8.5 kmlayer
Groundlayer
NasmythFocus
Pupil relayLens
Objective(gamma=1)
FoldingMirror
MUSE Multi conjugate AO (front view)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE16:23:07
13-Oct-03
316.46 MM
MUSE Multi conjugate AO (side view)
Adaptor flange
8.5 kmlayer
Objective Focus (F/15)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE GENERATION INSTRUMENTATION – OPTICAL DESIGNS - MUSE
Optical benchOptical bench
Natural Natural Guide starGuide star
Focus Focus CompensationCompensation
plateplate
WSWSdetectordetector
WSWSdetectordetector
DerotatorDerotator
PupilPupilReimagingReimaging
lenslens
Pupil Pupil Reimaging prismReimaging prism
Large fieldLarge fieldobjectiveobjective
rotates like the fieldrotates like the field
rotates like the pupilrotates like the pupil
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
Multi-object integral Multi-object integral field spectrographfield spectrograph
for near IRfor near IR(1000-2500 nm)(1000-2500 nm)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
Another way of building multi-object integral Another way of building multi-object integral field spectrographsfield spectrographs
The selection of objects is a very critical problem in IR multi-object The selection of objects is a very critical problem in IR multi-object spectroscopy because it requires a lot of cryogenic functions.spectroscopy because it requires a lot of cryogenic functions.
Based on the concept of a KMOS study done for ESO, we have developed Based on the concept of a KMOS study done for ESO, we have developed the baseline of a new solution which could strongly improve the reliability the baseline of a new solution which could strongly improve the reliability of the instrument at the cost of a small increase of background (2 warm of the instrument at the cost of a small increase of background (2 warm mirrors).mirrors).
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - KMOS GENERATION INSTRUMENTATION – OPTICAL DESIGNS - KMOS
Main features of the new conceptMain features of the new concept : :
- Object selection done at ambient - Object selection done at ambient temperature (only 2 warm reflections)temperature (only 2 warm reflections)
- Small optical derotator inside or outside - Small optical derotator inside or outside the cryostatthe cryostat
- The instrument doesn’t need to rotate- The instrument doesn’t need to rotate - The entrance window is small- The entrance window is small - Only two cryogenic functions (derotator - Only two cryogenic functions (derotator
and grating exchange mechanism)and grating exchange mechanism)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2nd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - KMOSESO 2nd GENERATION INSTRUMENTATION – OPTICAL DESIGNS - KMOS
THE OBJECT ACQUISITION THE OBJECT ACQUISITION
SYSTEMSYSTEM
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
Field mirrors (1 x 1 arc min)Field mirrors (1 x 1 arc min)(36 mirrors )(36 mirrors )
Pupil mirrors Pupil mirrors (steering mirrors)(steering mirrors)
Telescope focal planeTelescope focal plane
TELESCOPETELESCOPE
TO TO DEROTATORDEROTATOR
Each field mirror images aEach field mirror images aPupil on its own steering mirrorPupil on its own steering mirror
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
13:59:18
left field Scale: 0.15Positions: 1-4
06-Oct-03
166.67 MM
STEERING MIRRORSSTEERING MIRRORS
TELESCOPETELESCOPEFOCAL PLANEFOCAL PLANE
OPTICAL DEROTATOROPTICAL DEROTATOR
OBJECT SELECTIONOBJECT SELECTION
WARM PARTWARM PART
COLD PARTCOLD PART
Pseudo pupilPseudo pupil
to image slicersto image slicers
Field maskField mask
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
Main advantages of this conceptMain advantages of this concept : :
- Steering mirrors are accessibleSteering mirrors are accessible- Field slicer can be exchanged to have flexibility for object selectionField slicer can be exchanged to have flexibility for object selection- Small entrance window for the cryostatSmall entrance window for the cryostat- The instrument does not rotate, requirement on flexure are much The instrument does not rotate, requirement on flexure are much
easier easier
to fulfill.to fulfill.- The spectrograph operates horizontal. Most of the lens mounting The spectrograph operates horizontal. Most of the lens mounting
problems disappear.problems disappear.- High reliability (only two cryogenic functions)High reliability (only two cryogenic functions)- Possibility to include a warm viewing system for object acquisition.Possibility to include a warm viewing system for object acquisition.
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
THE IMAGE SLICERSTHE IMAGE SLICERS
This devices have been developed at the LAM in Marseille (France)This devices have been developed at the LAM in Marseille (France)
A presentation by Eric Prieto will be (or has been) given during this workshopA presentation by Eric Prieto will be (or has been) given during this workshop
All reflective slicers could also be used.All reflective slicers could also be used.
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
13:59:18
left field Scale: 0.15Positions: 1-4
06-Oct-03
166.67 MM
14:43:26
Scale:0.16
Position: 1 23-Jul-03
156.25 MM
entrance
slits
pupil relay lens
folding
mirror
Collimator
Camera
Grating
(exchangeable)
Filter
wheel
Detector
KMOS-2 SPECTROGRAPH
Object selectionObject selectiondevicedevice
ImageImageslicersslicers
SpectrographSpectrograph
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
THE SPECTROGRAPHTHE SPECTROGRAPH
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
The following table summarizes the characteristics of the instrument:
Entrance F/N F/17 (spatial) F/34 (spectral)
Output F/N F/3.1 (spatial) F/6.2 (spectral)
Entrance field of view 2 slits of 400 mm separated by 200 mm
Detector 4K x 4K (18 µm pixel)
Pupil size (on the grating) 100 x 50 mm100 x 50 mm
Magnification 0.182
Scale (spatial) 0.150 arc sec / pixel
Scale (spectral) 0.075 arc sec / pixel
Entrance pupil position infinity
Slit curvature flat
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
14:43:26
Scale: 0.16Position: 1
23-Jul-03
156.25 MM
entranceslits
pupil relay lens
folding
mirror
Collimator
Camera
Grating
(exchangeable)
Filterwheel
Detector
KMOS-2 SPECTROGRAPH
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
Focal length: 1700 mm Pupil diameter: 100 mm Wavelength range: 1000 – 2500 nm Field of view: 200 x 400 mm
The CollimatorThe Collimator
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
15:06:26
Scale: 0.17Position: 1
23-Jul-03
147.06 MM
KMOS-2 COLLIMATOR
Caf2Caf2 Baf2Baf2
IRG3IRG3
SilicaSilica
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
J Band: 400 mm- 1 R=4070 (2 pixels) between 1060 and 1345 nmH Band: 300 mm- 1 R=4660 (2 pixels) between 1430 and 1800 nmK Band: 225 mm- 1 R=4340 (2 pixels) between 2000 and 2440 nm
List of gratingsList of gratings
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
Focal length: 310 mm Pupil diameter: 100 mm Wavelength range: 1000 – 2500 nm Field of view: 74 x 74 mm
The CameraThe Camera
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
09:53:04
Scale: 0.33 24-Jul-03
75.76 MM
KMOS-2 CAMERA
filterCaf2Caf2
Caf2Caf2
Irg3Irg3 SilicaSilica
SilicaSilica ZnSeZnSe
AsphericAspheric
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
Image qualityImage quality : :
Image quality has been computed with a full circular pupil of Image quality has been computed with a full circular pupil of
100 x 100 mm. In fact the spectrograph has a nominal pupil 100 x 100 mm. In fact the spectrograph has a nominal pupil
of 100 x 50 mm.of 100 x 50 mm.
The full pupil of 100 x 100 mm allows to collect the light The full pupil of 100 x 100 mm allows to collect the light whichwhich
is diffracted by the slicers.is diffracted by the slicers.
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
J Band
Wavelength 1060 nm 1130 nm 1200 nm 1275 nm 1345 nm
Positions -36.4 mm -27.4 mm -18.5 mm -9.0 mm -0.2 mm
Axis 35 35 26 24 15
100 mm 20 26 22 20 11
200 mm 19 28 26 25 19
80% geometrical energy diameter80% geometrical energy diameter
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
H Band
Wavelength
1430 nm 1500 nm 1600 nm 1700 nm 1800 nm
Positions -35.9mm -29.0 mm -19.4 mm -9.9 mm -0.5 mm
Axis 23 32 26 21 19
100 mm 22 32 28 21 16
200 mm 23 26 23 12 8
80% geometrical energy diameter80% geometrical energy diameter
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
K Band
Wavelength
2000 nm 2100 nm 2200 nm 2320 nm 2440 nm
Positions -32.0 mm -24.6 mm -17.4 mm -8.9 mm -0.4 mm
Axis 13 17 20 23 28
100 mm 25 20 19 19 23
200 mm 22 27 14 12 12
80% geometrical energy diameter80% geometrical energy diameter
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS GENERATION INSTRUMENTATION – OPTICAL DESIGNS
X - ShooterX - Shooter
Built by : Astron – Copenhagen Obs. – ESO - INAF - Obs Paris-Built by : Astron – Copenhagen Obs. – ESO - INAF - Obs Paris-Meudon Meudon PI’s : D. D’Odorico – F. Hammer - L. Kaper - R.Pallavicini – PI’s : D. D’Odorico – F. Hammer - L. Kaper - R.Pallavicini – P.K. RasmussenP.K. Rasmussen
Medium resolution Echelle spectrographMedium resolution Echelle spectrograph
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X- GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X-SHOOTERSHOOTER
Characteristics :Characteristics :
Instrument located at Cassegrain FocusInstrument located at Cassegrain Focus
Fore optics : light split in 3 channels by dichroic platesFore optics : light split in 3 channels by dichroic plates
3 optical relays F/13.6 to F/7.53 optical relays F/13.6 to F/7.5
2 of these relays include an ADC2 of these relays include an ADC
Spectrographs : 3 “UVES” type spectrographs – Echelle formatSpectrographs : 3 “UVES” type spectrographs – Echelle format
Blue 300 – 550 nmBlue 300 – 550 nm
Red 500 – 1000 nmRed 500 – 1000 nm
IR 1000 – 1800 nm (or 2500 ?)IR 1000 – 1800 nm (or 2500 ?)
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X- GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X-SHOOTERSHOOTER
14:26:05
ESO 07-Nov-03
125.00 MM
14:29:26
Red channel 500 – 1000 nmRed channel 500 – 1000 nm
Blue channel 300 – 550 nmBlue channel 300 – 550 nm
TelescopeTelescopeFocusFocus
ADCADC
ADCADC
Red mirrorRed mirror
2nd dichroic2nd dichroic
11StSt dichroic dichroic
14:59:26
IR Channel 950-1800 nmIR Channel 950-1800 nm
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X- GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X-SHOOTERSHOOTER
15:14:55
0.000,0.000 DG 0.00, 0.00
0.000,.0093 DG 0.00, 0.50
0.000,.0186 DG 0.00, 1.00
FIELDPOSITION
DEFOCUSING 0.00000
.147 MM
15:55:47
0.000,0.000 DG 0.00, 0.00
0.000,.0093 DG 0.00, 0.50
0.000,.0186 DG 0.00, 1.00
FIELDPOSITION
DEFOCUSING 0.00000
.147 MM
bb
15:13:33
0.000,0.000 DG 0.00, 0.00
0.000,.0093 DG 0.00, 0.50
0.000,.0186 DG 0.00, 1.00
FIELDPOSITION
DEFOCUSING 0.00000
.147 MM
PRESLIT OPTICS – SPOT DIAGRAMSPRESLIT OPTICS – SPOT DIAGRAMS
IR Channel 950-1800 nmIR Channel 950-1800 nm Red channel 500 – 1000 nmRed channel 500 – 1000 nm Blue channel 300 – 550 nmBlue channel 300 – 550 nm
AXISAXIS
5 ARCSEC5 ARCSEC
10 ARCSEC10 ARCSEC
Circle = 0.5 arcsecCircle = 0.5 arcsec
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X- GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X-SHOOTERSHOOTER
Entrance F/N F/7.5
Output F/N F/2.7
Entrance field of view 11 arc sec (3.2 mm)
Detector 2K x 4K (15 µm pixel)
Pupil size 100 mm100 mm
Collimator focal length 750 mm
Camera focal length 270 mm
Scale (spatial) 0.14 arc sec/pixel
Resolving power 4500 (for 1 arc sec slit)
Order separation between 110 and 200 pixels
BLUE SpectrographBLUE Spectrograph
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X- GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X-SHOOTERSHOOTER
16:06:40
Position: 7 05-Nov-03
200.00 MM
ParabolicParabolicmirrormirror
F/2.7 CameraF/2.7 Camera
60 deg silica60 deg silicaprismsprisms
180 mm-1 grating180 mm-1 gratingBlazed at 42 degBlazed at 42 deg
SlitSlit
2K x 4K2K x 4KCCDCCD
X-ShooterX-ShooterBlue spectrographBlue spectrograph
Folding mirrorFolding mirror
November 2003November 2003 ANGRA DOS REIS - BRAZILANGRA DOS REIS - BRAZIL
B.DelabreB.Delabre
ESO 2ESO 2ndnd GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X- GENERATION INSTRUMENTATION – OPTICAL DESIGNS – X-SHOOTERSHOOTER
ordersorders
1414
1616
19 19
2222
2424
551.5 551.5 nmnmX=-18.8 y=-8.1X=-18.8 y=-8.1
1111
541.3 nm541.3 nmX=-9.4 y=-9.3X=-9.4 y=-9.3
1414
531.1 nm531.1 nmX=-0.2 y=-9.4X=-0.2 y=-9.4
1515
522.2nm522.2nmX=7.7 y=-8.7X=7.7 y=-8.7
1212
513.4 513.4 nmnmX=15.2 y=-X=15.2 y=-7.37.3
99 480.2 nm480.2 nmX=-16.3 y=-5.4X=-16.3 y=-5.4
1616
472.5 nm472.5 nmX=-8.2 y=-6.1X=-8.2 y=-6.1
55
464.7 nm464.7 nmX=-0.1 y=-6.0X=-0.1 y=-6.0
55
457.9 nm457.9 nmX=6.7 y=-5.3X=6.7 y=-5.3
77
451.0 451.0 nmnmX=13.4 y=-X=13.4 y=-4.04.0
1313 402.2 nm 402.2 nm X=-13.5 y=0.0X=-13.5 y=0.0
1717
396.8 nm 396.8 nm X=-6.8 y=-02X=-6.8 y=-02
7 7
391.3 nm 391.3 nm X=-0.1 y=0.1X=-0.1 y=0.1
88
386.4 nm 386.4 nm X=5.7 y=0.8X=5.7 y=0.8
1010
381.5 381.5 nm nm X=11.4 X=11.4 y=2.0y=2.0
1212 346.0 nm346.0 nmX=-11.4 y=6.9X=-11.4 y=6.9
1414
342.0 nm342.0 nmX=-5.8 y=7.0X=-5.8 y=7.0
77
337.9 nm337.9 nmX=-0.0 y=7.5X=-0.0 y=7.5
1010
334.3 nm334.3 nmX=4.9 y=-8.3X=4.9 y=-8.3
1010
330.6 330.6 nmnmX=9.8 y=9.5X=9.8 y=9.5
99 316.5 nm316.5 nmX=-10.3 X=-10.3 y=12.51y=12.51
1414
313.2 nm313.2 nmX=-5.2 y=12.7X=-5.2 y=12.7
99
309.8 nm309.8 nmX=-0.1 y=13.4X=-0.1 y=13.4
1010
306.7 nm306.7 nmX=4.4 y=14.3X=4.4 y=14.3
1111
303.5 303.5 nmnmX=9.1 y=15.5X=9.1 y=15.5
88
80% geometrical energy (diameter)80% geometrical energy (diameter)