ELECTRON AT REST ELECTROSTATIC FIELD NO MAGNETIC FIELD ELECTRON MOVING AT CONSTANT VELOCITY STATIC MAGNETIC FIELD
Jan 17, 2016
ELECTRON AT REST
ELECTROSTATIC FIELDNO MAGNETIC FIELD
ELECTRON MOVING AT CONSTANT VELOCITYSTATIC
MAGNETICFIELD
ACCELERATING ELECTRON (LINEAR)
SLOW FAST
ELECTROMAGNETIC RADIATION = LIGHT
LIGHT
SLOW ELECTRON MOVING IN A CIRCLE(LOW ENERGY ELECTRON)
Acceleration
FAST ELECTRON MOVING IN A CIRCLE(RELATIVISTIC HIGH ENERGY ELECTRON
NEAR THE SPEED OF LIGHT)
EXTREMELY INTENSEHIGHLY COLLIMATEDBROAD BANDWIDTHLIGHT
Dipole radiation ”doughnut” moving at speed of light towards the observer collapses to a narrow cone
Bend magnet, Wiggler, Undulator
Undulator magnet structure and electron trajectory
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
Large Source
Flashlight – low brightness
Divergent Beam
Low Intensity
Synchrotron – high brightness Extreme Collimation
Extremely High IntensityTiny Source Insertion Device:
Array of magnets
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
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
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
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
18.5 mm period undulator at MAX IV
80 mm period hybrid wiggler at MAX IV
Bent perfect crystals act as lenses with variable energy bandpass
Beam expander at BMIT of CLS
Focusing by refractive compound lenses
Compound 1D and 2D refractive lenses are used for focusing, beam expansion, and ”pink beam” monochromators
Shield Wall
First Radiation Enclosure
Beamline
Canadian Lightsource Experimental Hall and Beamline
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
Compact Compton Source