05B1 EPU - Soft X-ray Chemistry
The optical layout of beamline BL05B
Optical Parameters
| Plane Mirror PM | Vertical Pre-focusing Mirror VFMH | Vertical Pre-focusing Mirror VFML | Plane Mirror
PML | Vertical Refocusing Mirror VRFM | Horizontal Refocusing Mirror HRFM | Horizontal Refocusing Mirror HRFM |
|---|
| Drawing No. | EPUPM | EPUVFMH | EPUVFML | EPUPML | EPUVRFM | EPUHRFM | EPUHRFM1 |
| r1, r2 (cm) | | r1 = 1250
r2 = 250 | r1 = 1250
r2 = 233.2 | | r1 = 300~400
r2 = 260~760 | r1 = 300~400
r2 = 260~760 | r1 = 2900
r2 = 200~700 |
| Deviation Angle (2θ) | 178° | 177° | 175° | 166° | 176° | 174° | 176° |
| Shape | Plane | Sphere | Sphere | Plane | Tan. Cylinder (bendable) | Tan. Cylinder | Tan. Cylinder (bendable) |
| Cooling System | Side | Side | Side | Back | | | |
Beam Footprint
(cm × cm) | 36.5 × 0.25 | 10 × 0.7 | 8.5 × 0.7 | 0.7 × 0.7 | 28 × 1.1 | 34.2 × 1 | 34.2 × 1 |
| Absorbed Power (W) | 40.2 | 16.1 | 59.3 | 17.8 | 5 | 3 | 3 |
| Power Density (W/cm2) | 4.4 | 3.9 | 15.8 | 44.9 | 0.16 | 0.09 | 0.09 |
| Size (L × W × H) cm3 | 50 × 2.5 × 2.5 | 20 × 2.5 × 2.5 | 20 × 2.5 × 2.5 | 5 × 2.5 × 0.8 | 40 × 4 × 6 | 40 × 4 × 4 | 40 × 4 × 6 |
| Coating | Au | Au | Au | Au | Au | Au | Au |
| Substrate | Silicon | CVD SiC | CVD SiC | CVD SiC | Glidcop | Glidcop | Glidcop |
| Curvature (cm) | ∞ | 15917.3 | 9011.3 | ∞ | 7800 ~ 15000 | 10390 | 10500 ~ 32500 |
| Slope Error (arcsec) | 0.2 | 0.2 | 0.2 | 0.2 | 0.5 | 0.5 | 0.5 |
| Roughness (Å) | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
The calculated photon flux of beamline BL03A1
The measured flux of beamline BL03A1
Photon fluxes of the High Flux Beamline for four gratings (450, 600, 900, and 1600 ℓ/mm) with both slits opening shown as graph, and the storage ring current at 200 mA.
The photoabsorption spectra of the Xe and Mg. The measured Energy Resolving Power of High Flux Beamline at a slit opening of 30 mm for both slits, and grating groove density: 450 ℓ/mm.
The photoabsorption spectra of the Xe and Mg. The measured Energy Resolving Power of High Flux Beamline at a slit opening of 30 mm for both slits, and grating groove density: 600 ℓ/mm.