21B1 U90 - (CGM) Angle-Resolved UPS

Optical layout

Optical Parameters
Monochromator 6m-CGM
Mirrors HFM(spherical), VFM (spherical), PM (plane), VRFM (bendable cylindrical), HRFM (cylindrical)
Method of Focusing
VRFM, HRFM
Beam Size on Sample or Detector (FWHM)200 μm × 40 μm

 

Horizontal Mirror HFM

Vertical Pre-focusing Mirror VFM

Vertical Plane Mirror PM2 (Low Energy)

Vertical Plane Mirror PM3 (High Energy)

Vertical Refocusing Mirror VRFM

Horizontal Refocusing Mirror HRFM

r1, r2 (cm) r1 = 1200

r2 = 814

r1 = 1415

r2 = 195/303

r1 = 245.7

r2 = 54.4

r1 = 144.7

r2 = 48.4

r1 = 200 ~ 300

r2: variable

r1 = 637

r2 = 200/350

Deviation

Angle (2θ)

172°165˚/158˚118.08˚145˚170˚165˚
TypeSpherical SphericalPlanePlane Tan. Cylinder (bendable)
Tan. Cylinder
Cooling SystemSideSideBackBack

Beam Foot Print
(cm × cm)

15 × 0.84.5 × 1.21.4 × 0.3 1 × 0.5 16 × 2.5 16 × 1.4
Absorbed Power (W)8509017 20//
Power Density (W/cm2)   70 1740 40 //
Size (L × W × H) cm320 × 2.5 × 2.5 10 × 2.5 × 2.5 5 × 2.5 × 0.8 5 × 2.5 × 0.8 40 × 5 × 10 30 × 5 × 7.6
CoatingAuAuAuCVD SiCAuAu
SubstrateSi Si CVD SiCCVD SiCGlidcopGlidcop
Curvature (cm)13902 2620 R = 2500 ~ 4000R = 2332

R = 3461

Slope Error (arcsec)0.20.20.20.20.51

 

Grating (H)Grating (L)
r1

r2 (cm)

r1 = 238

r2 = 400 ~ 500

r1 = 181

r2 = 400 ~ 500

Deviation Angle (2θ) 150˚ 130°
TypeCylindricalCylindrical
Beam Foot Print (cm × cm)6 × 1.2 3.5 × 1.8
Absorbed Power (W) 8 1
Size (L x W x H) cm312 x 2.5 x 2.512 x 2.5 x 2.5
Ruling Density (ℓ/mm)

800

1600

1000

1800

Coating

Au

Au

Al + MgF2

Au

Substrate

CVD SiC

CVD SiC

Curvature (cm) 1260713
Slope Error (arc sec)

0.2

0.2

Calculated and Measured Fluxes

Calculated Resoluions


Performance


Find a Beamline

21B1 Home

Specifications

Endstations

BL Schedule

Optical Layout

Gallery


 Contacts

Endstation

+886-3-578-0281 Ext. 1212

BL Spokesperson

Cheng, Cheng-Maw (鄭澄懋)
makalu@nsrrc.org.tw
+886-3-578-0281 Ext. 7270

BL Manager/Local Contact

Huang, Tzu-Ping (黃自平)
tphuang@nsrrc.org.tw
+886-3-578-0281 Ext. 7142


Techniques

  • X-ray Photoelectron Spectroscopies (XPS)

Disciplines

  • Biochemistry

General Information

  • Source: U90
  • Energy Range: 5~100 ev
  • Focused Spot Size: 200 × 40 μm
  • Status: Operational







National Synchrotron Radiation Research Center

101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu, Taiwan 30076

+886-3-578-0281