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Time-resolved measurement of double-pass amplification of soft x rays

Journal Article · · Appl. Opt.; (United States)
DOI:https://doi.org/10.1364/AO.27.005022· OSTI ID:6614488
We report the first time-resolved measurements of emission from a double-pass soft x-ray laser cavity. In these experiments the output signal from a selenium x-ray laser had two temporal components clearly identifiable as the single- and double-pass emission, with the double-pass amplified signal more intense than the single pass. In addition to an unequivocal demonstration of double-pass amplification of soft x rays, the data provide information about the time-dependent gain in these x-ray laser media, suggesting an effective gain-length profile which rises more slowly and falls-off more rapidly than predicted by state of the art hydrodynamics and kinetics codes.
Research Organization:
Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550
OSTI ID:
6614488
Journal Information:
Appl. Opt.; (United States), Journal Name: Appl. Opt.; (United States) Vol. 27:24; ISSN APOPA
Country of Publication:
United States
Language:
English