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Title: Experimental demonstration of a soft x-ray self-seeded free-electron laser

The Linac Coherent Light Source has added self-seeding capability to the soft x-ray range using a grating monochromator system. We report demonstration of soft x-ray self-seeding with a measured resolving power of 2000-5000, wavelength stability of 10-4, and an increase in peak brightness by a factor of 2-5 across the photon energy range of 500-1000 eV. By avoiding the need for a monochromator at the experimental station, the self-seeded beam can deliver as much as 50 fold higher brightness to users.
Authors:
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  1. SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
  2. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
  3. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
  4. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
Publication Date:
OSTI Identifier:
1169453
Report Number(s):
SLAC-PUB--16214
Journal ID: ISSN 0031-9007
Grant/Contract Number:
AC02-76SF00515
Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 114; Journal Issue: 5; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Research Org:
SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS