05B1 EPU - Soft X-ray Chemistry
The optical layout of beamline BL05B
![](../userdata/upload/05B1/TLS_05B_optical%20layout.png)
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 |
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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
![](../userdata/upload/03A1/TLS_03A_calculated%20resolutions.jpg)
The measured flux of beamline BL03A1
![](../userdata/upload/03A1/TLS_03A_Measured%20Fluxes1.gif)
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.
![](../userdata/upload/03A1/TLS_03A_Measured%20Fluxes2.jpg)
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.
![](../userdata/upload/03A1/TLS_03A_Measured%20Fluxes3.jpg)
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.