Beamline

 SM Beamline Techical Information: 

 

 Energy range 130 – 2500 eV
 Source Apple II Elliptically Polarizing Undulator, 75 mm period, 1.6 m long
 Polarization

Linear inclined polarization (-90° to +90°) from 130 – 2500 eV; Circular right & left polarizations from 130 – 1000 eV;   Elliptical polarizations from 1000 – 2500 eV.

 Monochromator Entrance slit-less Plane Grating Monochromator
 Endstations STXM, X-PEEM
 Spectral resolving power (E/∆E) Normal operation = 3000; can reach > 10,000
 STXM 108 ph/s in 50 nm spot, spatial resolution = 30 nm
 X-PEEM 1012 ph/s in 50 µm spot, spatial resolution = 50 nm

 

SM beamline optics and gratings specifications

SM Beamline Related Articles:

  1. K.V. Kaznacheyev, I. Blomqvist, E. Hallin, S. Urquhart, D. Loken, T. Tylisczak, T. Warwick and A.P. Hitchcock, Principles of optical design of the SM beamline at the CLS, A.I.P. Conf. Proc. 705 (2004) 1303-1307.
  2. K.V. Kaznacheyev, Ch. Karunakaran, F. He, M. Sigrist, T. Summers, M. Obst and A.P. Hitchcock, CLS ID-10 Chicane Configuration: From "Simple Sharing" to Extended Performance with High Speed Polarization Switching, Nucl. Inst. Meth. A582 (2007) 103-106.
  3. K.V. Kaznatcheev, Ch. Karunakaran, U.D. Lanke, S.G. Urquhart, M. Obst and A.P. Hitchcock, Soft X-ray Spectromicroscopy Beamline at the CLS: commissioning results, Nucl. Inst. Meth. A582 (2007) 96-99.

 

SM Beamline Performance  (poster)