24m Spherical Grating Monochromator SGM
for Undulator Beamline
Features | Configuration | Drawings | Data
Configuration and Optical Parameters
The diagram below shows the configuration of the SGM installed at the KEK/PF BL-16B
Standard Scope of Delivery
- Horizontal Focusing Mirror Chamber (M0)*
- Vertical Focusing Mirror Chamber (M1)*
- Entrance Slit (S1)
- Grating Chamber (G)
- Exit Slit (S2)
- Vertical refocusing Mirror Chamber (M2)*
- Horizontal Refocusing Mirror Chamber (M3)*
- One-body Supporting Stand
- Vacuum Pumping System
- Control System
- Optical Elements (optional)
Note: * It is necessary to optimise the focusing and refocusing optical system to be suited to the specification of the light source
Optical Parameters of KEK/PF BL-16B
Optical element | M0 | M1 | M2 | M3 | Optical element | G |
---|---|---|---|---|---|---|
α | 87° | 86° | 88.3° | 87° | α+β | 168.6° |
r | 15000 | 19000 | 1500 | 4600 | r1 | 1700 |
r' | 8940 | 1900 | 1300 | 700 | r2 | 3246±220 |
R | 214000 | 49532 | 46951 | 23217 | Rg | 23832 |
L | 500 | 150 | 300 | 150 | L | 120 |
Shape | cylinder | concave | bent cylinder | bent cylinder | Shape | concave |