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A Beamline for Fast Polarization Switching at NSLS-II

Journal Article · · AIP Conference Proceedings
DOI:https://doi.org/10.1063/1.3463219· OSTI ID:21410257
; ;  [1]
  1. NSLS and NSLS-II, Brookhaven National Laboratory, Upton, New York 11973 (United States)
The first XUV beamline (200-2000 eV) at NSLS-II will have two branches, one optimized for photon hungry experiments requiring high coherent flux and one optimized for studies of polarization sensitive materials and interfaces based on fast polarization switching. We describe here the branch designed for fast polarization switching with frequencies up to 1 kHz, high photon flux, and good energy resolution. The beamline will be served by two canted undulators and is based on the focusing variable line spacing grating monochromator. The two beams will be focused at the same spot of approximately 80x10 {mu}m (hor.xver.). The expected circular polarized flux at the sample from each device up to 1.4 keV will be higher than 10{sup 12} photons/s at a resolving power better than 10{sup 4}. An additional KB focusing system will deliver the two beams to a spot in the {mu}m range.
OSTI ID:
21410257
Journal Information:
AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1234; ISSN APCPCS; ISSN 0094-243X
Country of Publication:
United States
Language:
English