Optics
BM32 X-ray optics
Optics (monochromatic mode)
| optical elements | mirror 1 | double-crystal mono. |
mirror 2 |
| distance from source | 26 m | 28 m | 30 m |
| focusing type | vert.collim.or foc. Ir-coating |
horiz.(sagital)foc. Si(111) |
vert. foc. Ir-coating |
| working angle | 0-7 mrad | 0-25 deg. | 0-10 mrad |
| spectral range | 7-30 keV | ||
energy resolution in E/E |
|
||
| final flux at sample (GMT, INS2) | 3x1011 ph s-1 (3.10-4 E/E) at 20 keV 200mA |
||
| final beamsize at sample (GMT, INS2) (full flux) | hxv 500x250 µm2 |
||
Optics (polychromatic beam mode)
| optical elements | mirror 1 | mirror 2 | secondary source (µslits) |
2 Kirkpatrick-Baez (Ir) mirrors |
| distance from source | 26 m | 30 m | ~ 35 m | ~ 55 m |
| Optical function | vert. foc. Ir-coating |
vert. foc. Ir-coating |
20X20 µm2 | vert.+horiz. foc. |
| working angle | 3.65mrad | 3.65 mrad | 2.8 mrad | |
| beam size at sample | 0.2x0.3 µm2 (HxV) FWHM | |||
| pink beam spectral range | 5-22 keV | |||
|
estimated flux at sample |
~ several 10^10 photons/sec integrated from 5 to 22 keV | |||
OPTICAL LAYOUT
ESRF Ring parameters (after Highlights ESRF 2021)

ESRF X-ray source parameters (after Highlights ESRF 2021)
CRG-IF BM32 beamline has got a BM (Short Bending) source

SBM32 location in the ESRF storage ring

E/E
2x10-4 for Si(111)



