electron at rest electrostatic field no magnetic field electron moving at constant velocity static...
TRANSCRIPT
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ELECTRON AT REST
ELECTROSTATIC FIELDNO MAGNETIC FIELD
ELECTRON MOVING AT CONSTANT VELOCITYSTATIC
MAGNETICFIELD
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ACCELERATING ELECTRON (LINEAR)
SLOW FAST
ELECTROMAGNETIC RADIATION = LIGHT
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LIGHT
SLOW ELECTRON MOVING IN A CIRCLE(LOW ENERGY ELECTRON)
Acceleration
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FAST ELECTRON MOVING IN A CIRCLE(RELATIVISTIC HIGH ENERGY ELECTRON
NEAR THE SPEED OF LIGHT)
EXTREMELY INTENSEHIGHLY COLLIMATEDBROAD BANDWIDTHLIGHT
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Dipole radiation ”doughnut” moving at speed of light towards the observer collapses to a narrow cone
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Bend magnet, Wiggler, Undulator
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Undulator magnet structure and electron trajectory
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Synchrotron Electrons Circulate in a Storage Ring
Bending Magnet
InsertionDeviceMagnet
VacuumChamber
ElectronBeam
Synchrotron Storage Ring
RadioFrequencyCavity
Bending Magnet:Fan beam
Insertion Device:Wiggler: Fan beam
Undulator: Pencil beam
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Large Source
Flashlight – low brightness
Divergent Beam
Low Intensity
Synchrotron – high brightness Extreme Collimation
Extremely High IntensityTiny Source Insertion Device:
Array of magnets
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MAX IV and Schematic Beamline
1.4 GeVRing
3 GeV Ring
B
Front End X-ray Optics
ExperimentHutches
Data &Control
InsertionDevice
ElectronGun
Linac
Beamline:Front end,Beam transport pipesOpticsExperiment hutchesData and control areas
Beam Transport
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MAX IV and Schematic Beamline
LINACe-Beam
1.4 GeVRing
3 GeV Ring
Front End X-ray Optics
ExperimentHutches
Data &Control
InsertionDevice
ElectronGun
Beam Transport
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MAX IV and Schematic Beamline
1.4 GeVRing
3 GeV RingStored e-Beam
Front End X-ray Optics
ExperimentHutches
Data &Control
InsertionDevice
ElectronGun
Beam Transport
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MAX IV and Schematic Beamline
1.4 GeVRing
3 GeV RingStored e-Beam
Front End X-ray Optics
ExperimentHutches
Data &Control
X-Rays
InsertionDevice
ElectronGun
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18.5 mm period undulator at MAX IV
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80 mm period hybrid wiggler at MAX IV
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Bent perfect crystals act as lenses with variable energy bandpass
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Beam expander at BMIT of CLS
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Focusing by refractive compound lenses
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Compound 1D and 2D refractive lenses are used for focusing, beam expansion, and ”pink beam” monochromators
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Shield Wall
First Radiation Enclosure
Beamline
Canadian Lightsource Experimental Hall and Beamline
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Front-End
Shutters,Apertures,Position-Monitors.Shielding
MirrorsZone Plates
Focusing~μm2 – cm2
Storage RingX-ray Source
White SR Beam.001 – 105 eV
Experiment & End Station
Sample, Patient, Detectors
Monochromator
ΔE/E = 10-3 – 10-4
Gratings, Crystals
White Light White Light
ImageDisplay
Typical Biomedical Beamline
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Compact Compton Source