ELECTROSTATIC FIELD NO MAGNETIC FIELD ELECTRON MOVING AT CONSTANT VELOCITY STATIC MAGNETIC FIELD ACCELERATING ELECTRON LINEAR SLOW FAST ELECTROMAGNETIC RADIATION LIGHT LIGHT SLOW ELECTRON MOVING IN A CIRCLE ID: 418355
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Slide1
ELECTRON AT REST
ELECTROSTATIC FIELD
NO MAGNETIC FIELD
ELECTRON MOVING AT CONSTANT VELOCITY
STATIC
MAGNETIC
FIELDSlide2
ACCELERATING ELECTRON (LINEAR)
SLOW
FAST
ELECTROMAGNETIC RADIATION = LIGHTSlide3
LIGHT
SLOW ELECTRON MOVING IN A CIRCLE
(LOW ENERGY ELECTRON)
AccelerationSlide4
FAST ELECTRON MOVING IN A CIRCLE
(RELATIVISTIC HIGH ENERGY ELECTRON
NEAR THE SPEED OF LIGHT)
EXTREMELY INTENSE
HIGHLY COLLIMATED
BROAD BANDWIDTH
LIGHTSlide5
Dipole radiation ”doughnut” moving at speed of light towards
the
observer collapses to a narrow coneSlide6
Bend magnet, Wiggler, UndulatorSlide7
Undulator magnet structure and electron trajectorySlide8
Synchrotron Electrons Circulate in a Storage Ring
Bending
Magnet
Insertion
Device
Magnet
Vacuum
Chamber
Electron
Beam
Synchrotron
Storage
Ring
Radio
Frequency
Cavity
Bending Magnet:
Fan beam
Insertion Device:
Wiggler: Fan beam
Undulator
: Pencil beamSlide9
Large Source
Flashlight – low brightness
Divergent Beam
Low Intensity
Synchrotron – high brightness
Extreme Collimation
Extremely High Intensity
Tiny Source
Insertion Device:
Array of magnetsSlide10Slide11
MAX IV and Schematic Beamline
1.4 GeV
Ring
3
GeV Ring
B
Front End
X-ray Optics
Experiment
Hutches
Data &Control
Insertion
Device
Electron
Gun
LinacBeamline:Front end,Beam transport pipesOpticsExperiment hutchesData and control areas
Beam TransportSlide12
MAX IV and Schematic Beamline
LINAC
e-Beam
1.4 GeV
Ring
3 GeV Ring
Front End
X-ray Optics
Experiment
Hutches
Data &
Control
Insertion
Device
Electron
Gun
Beam TransportSlide13
MAX IV and Schematic Beamline
1.4 GeV
Ring
3
GeV RingStored e-Beam
Front End
X-ray Optics
Experiment
Hutches
Data &
Control
Insertion
Device
Electron
Gun
Beam TransportSlide14
MAX IV and Schematic Beamline
1.4 GeV
Ring
3
GeV Ring
Stored e-Beam
Front End
X-ray Optics
Experiment
Hutches
Data &
Control
X-Rays
Insertion
Device
Electron
GunSlide15
18.5 mm period undulator at MAX IVSlide16
80 mm period hybrid wiggler at MAX IVSlide17
Bent perfect crystals act as lenses with variable energy
bandpassSlide18
Beam expander at BMIT of CLSSlide19
Focusing by refractive compound lensesSlide20
Compound 1D and 2D refractive lenses are used for focusing, beam
expansion, and ”
pink beam” monochromatorsSlide21
Shield Wall
First Radiation Enclosure
Beamline
Canadian
Lightsource Experimental Hall and BeamlineSlide22
Front-End
Shutters,
Apertures,
Position-
Monitors.Shielding
MirrorsZone Plates
Focusing
~
μm2 – cm2
Storage Ring
X-ray Source
White SR Beam.001 – 105 eV
Experiment &
End Station
Sample,
Patient, Detectors
Monochromator
Δ
E/E = 10
-3
– 10
-4
Gratings, Crystals
White Light
White Light
Image
Display
Typical Biomedical BeamlineSlide23
Compact Compton Source