Generation of x-ray pulses with rapid rise times to pump inner-shell photoionized x-ray lasing in carbon at 45 A

Stephen J. Moon; David C. Eder

doi:10.1117/12.221661

25 September 1995 Generation of x-ray pulses with rapid rise times to pump inner-shell photoionized x-ray lasing in carbon at 45 Å

Stephen J. Moon, David C. Eder

Author Affiliations +

Proceedings Volume 2520, Soft X-Ray Lasers and Applications; (1995) https://doi.org/10.1117/12.221661
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

An investigation of the rapid rise time of x-ray emission from targets heated by an ultrashort- pulse high-intensity optical laser was conducted for use as a pump for inner-shell photo- ionized x-ray lasing. Results of x-ray rise times from instantaneously heated Au rod targets show little benefit for using optical pulse widths less than 30 fs. Gain calculations for inner- shell photo-ionized lasing show that large gains can be obtained for pulse widths between 30 and 100 fs. Calculated spectra, using the hydrodynamic/atomic kinetics code LASNEX, from a 1 J, 65 fs FWHM pulse optical laser incident on a structured Au target gave a gain of 11.5 cm^-1 in C at 45 angstrom.

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Stephen J. Moon and David C. Eder "Generation of x-ray pulses with rapid rise times to pump inner-shell photoionized x-ray lasing in carbon at 45 Å", Proc. SPIE 2520, Soft X-Ray Lasers and Applications, (25 September 1995); https://doi.org/10.1117/12.221661

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