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Title: Generating Single-Spike Hard X-Ray Pulses with Nonlinear Bunch Compression in Free-Electron Lasers

Abstract

Here, a simple method for generating single-spike hard x-ray pulses in free-electron lasers (FELs) has been developed at the Linac Coherent Light Source (LCLS). This is realized by nonlinear bunch compression using 20-pC bunch charge, demonstrated in the hard x-ray regime at 5.6 and 9 keV, respectively. Measurements show about half of the FEL shots containing a single-spike spectrum. At 5.6-keV photon energy, the single-spike shots have a mean pulse energy of about 10 μJ with 70% intensity fluctuation and the pulse full width at half maximum is evaluated to be at 200-as level.

Authors:
 [1];  [2];  [2];  [2];  [2];  [2];  [2];  [2];  [2];  [2]
  1. Peking Univ., Beijing (China)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1358678
Alternate Identifier(s):
OSTI ID: 1398831
Report Number(s):
SLAC-PUB-16979
Journal ID: ISSN 0031-9007; PRLTAO
Grant/Contract Number:  
AC02-76SF00515; 2016YFA0401904
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 119; Journal Issue: 15; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; ACCPHY; XFEL

Citation Formats

Huang, S., Ding, Y., Feng, Y., Hemsing, E., Huang, Z., Krzywinski, J., Lutman, A. A., Marinelli, A., Maxwell, T. J., and Zhu, D. Generating Single-Spike Hard X-Ray Pulses with Nonlinear Bunch Compression in Free-Electron Lasers. United States: N. p., 2017. Web. doi:10.1103/PhysRevLett.119.154801.
Huang, S., Ding, Y., Feng, Y., Hemsing, E., Huang, Z., Krzywinski, J., Lutman, A. A., Marinelli, A., Maxwell, T. J., & Zhu, D. Generating Single-Spike Hard X-Ray Pulses with Nonlinear Bunch Compression in Free-Electron Lasers. United States. doi:10.1103/PhysRevLett.119.154801.
Huang, S., Ding, Y., Feng, Y., Hemsing, E., Huang, Z., Krzywinski, J., Lutman, A. A., Marinelli, A., Maxwell, T. J., and Zhu, D. Tue . "Generating Single-Spike Hard X-Ray Pulses with Nonlinear Bunch Compression in Free-Electron Lasers". United States. doi:10.1103/PhysRevLett.119.154801. https://www.osti.gov/servlets/purl/1358678.
@article{osti_1358678,
title = {Generating Single-Spike Hard X-Ray Pulses with Nonlinear Bunch Compression in Free-Electron Lasers},
author = {Huang, S. and Ding, Y. and Feng, Y. and Hemsing, E. and Huang, Z. and Krzywinski, J. and Lutman, A. A. and Marinelli, A. and Maxwell, T. J. and Zhu, D.},
abstractNote = {Here, a simple method for generating single-spike hard x-ray pulses in free-electron lasers (FELs) has been developed at the Linac Coherent Light Source (LCLS). This is realized by nonlinear bunch compression using 20-pC bunch charge, demonstrated in the hard x-ray regime at 5.6 and 9 keV, respectively. Measurements show about half of the FEL shots containing a single-spike spectrum. At 5.6-keV photon energy, the single-spike shots have a mean pulse energy of about 10 μJ with 70% intensity fluctuation and the pulse full width at half maximum is evaluated to be at 200-as level.},
doi = {10.1103/PhysRevLett.119.154801},
journal = {Physical Review Letters},
number = 15,
volume = 119,
place = {United States},
year = {Tue Oct 10 00:00:00 EDT 2017},
month = {Tue Oct 10 00:00:00 EDT 2017}
}

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