presentation - telescopes - cfai, durham university - ray sharples
TRANSCRIPT
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8/7/2019 Presentation - Telescopes - CfAI, Durham University - Ray Sharples
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Centre for Advanced InstrumentationCentre for Advanced Instrumentation
Durham UniversityDurham University
48 Members:
7 Academic staff13 Instrument scientists, project managers
12 Engineers (optical,mech,elec,soft)4 Tech/Sec12 PhD students
NetPark Research Institute
Astronomical Instrumentation Group Applied Optics & Photonics Group
Precision Engineering/Metrology Lab Test & Qualification Lab Bio-Imaging Lab Spinoff company:
Durham Smart Imaging
Rochester Building
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8/7/2019 Presentation - Telescopes - CfAI, Durham University - Ray Sharples
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
CfAICfAI-- ActivitiesActivitiesConstruction of Instrumentation for Ground and Space Based Telescopes
Gemini Telescopes - 2x 8.1m tel. in Hawaii/Chile
Southern Africa Large Telescope (SALT) - 10m tel. in South Africa
ESO Very Large Telescopes (VLT) - 4x 8.2m tel. in Chile
James Webb Space Telescope (JWST) - 6.5m tel @ L2 (4x dist to Moon!)
R&D for New Instrument Techniques and Technologies
Adaptive Optics
Spectroscopy Techniques (eg Integral Field Spectroscopy, Photonic Fibres)
Precision Optical Manufacturing and Metrology
Remote Sensing (Hyperspectral Imaging form UAVs/Space)
Diagnostics for Fusion Plasmas (FusioN8, UKAEA)
Industrial/Commercial Spinoffs
Precision Optics Manufacture
Ophthalmic/Bio-Imaging
High Speed Camera Systems
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8/7/2019 Presentation - Telescopes - CfAI, Durham University - Ray Sharples
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Astronomical InstrumentationAstronomical Instrumentation
LaserGuide Stars
&
Adaptive Optics
James Webb Space Telescope(launch 2013)
(with Surrey Satellite
Technology Ltd and Mullard
Space Science Laboratory)
European Southern Observatory
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8/7/2019 Presentation - Telescopes - CfAI, Durham University - Ray Sharples
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
FMOS Fibre SystemFMOS Fibre System
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8/7/2019 Presentation - Telescopes - CfAI, Durham University - Ray Sharples
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
RealReal--Time SystemsTime Systems
Real-time control systems
Currently using FPGAs
Investigating cell processors
AO performance modelling
Cray XD1 supercomputer
6 dual Opteron processing nodes
High bandwidth interconnect
switching fabric (1Tb/s)
6 Virtex 2 Pro FPGAs (application
acceleration)
each with direct memory access
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Machining Capabilities
2 x 5-Axis Diamond Turning Machines (X,Y, Z, B, C)
2 x 3-Axis Diamond Turning Machines (X, Z, C)
2 x Fast Tool Servo Systems
High Speed (60,000rpm) Milling Spindle
15,000rpm Mini-Milling Spindle
All Machines have air conditioned thermal control
( 0.05C)
Multi-Stage Cleaning System(contained in better than class 10,000 clean tent)
2-stage ultrasonic pre-clean
Pulsed variable frequency deep clean
Vapour Bath/ Hot Air Drying
Precision Optics LabPrecision Optics Lab
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8/7/2019 Presentation - Telescopes - CfAI, Durham University - Ray Sharples
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Measurement/Metrology Capabilities
3 x Phase Shifting Interferometers (Fisba)
Non-Contact Profilometer (Taylor Hobson)
Talysurf Aspheric Profiler (Taylor Hobson)
White Light Interferometer (Zygo)
Microscope (up to x1,000) with Digitising Software (Nikon)
Coordinate Measuring Machine (Mitutoyo )
Various Optical Benches and General Optical Test Equipment
Portable Clean Tents (class 10,000)
Metrology LabMetrology Lab
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Precision Optics & MicrostructuresPrecision Optics & Microstructures
Precision OpticsManufacture
Metrology and
Testing
Freeform
Multi-facetedMetal Optics
Diffractive
Microstructures
2x Nanotech 350FG
(5-axis)
2x Nanotech 250FG
(3-axis)
Interferometry,
profilometry, surface
roughness, microscopy
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Applications/ProductsApplications/Products
Non-Ferrous Metal Optics (Al, Cu, NiP, Brass)
Aspheric and Freeform Optics
Infra Red Optics (Ge, Si, ZnSe)
Plastic Optics (PMMA, Acrylic, Zeonex, Polycarbonate)
Microstructured Surfaces (Diffractives, Fresnels, Structured
Drums)
Microlens Arrays (Micro-milled or FTS)
Monolithic Faceted Optics (Raster Flycutting)
Symmetric and Non-Axi Symmetric Diffractives (FTS and Slow
Slide) Contact: [email protected]
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Non-Spherical Optic
Off-axis configuratio
Machined into singlepiece of material
by raster fly-cutting
Form Error
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Solar concentratorsreplicated onto thinplastic film
Manufactured withv-groove diamondtool machined intoNiP plated drum
Tool rotated toprovide variablefacet angles
Structure depthtypically 30-35microns
Linear Solar
Concentrators
Application - Micro-structured Surfaces
Pyramidal Structures
Manufactured by raster fly-
cutting structure with a v-
groove diamond tool.
Structures typically 10-50Qm
deep.
3 and 4 sided structures
possible also tilted pyramids.
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
Other Testing Capabilities
Clean Room (Class 1,000 with Class 100 area)
Cryogenic Test Facilities (temperatures to
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Centre for AdvancedCentre for Advanced
InstrumentationInstrumentation CDDC 28CDDC 28thth July 2009July 2009
CfAI Precision EngineeringCfAI Precision Engineering
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Endof PresentationEndofPresentation