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Proceedings Paper

Powerful subpicosecond KrF laser for x-ray laser development in the 1-5-nm region
Author(s): William Tighe; ChangHee Nam; Julius Goldhar; Lewis D. Meixler; John A. Robinson; Ernie J. Valeo; Szymon Suckewer
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Paper Abstract

A high power, 300 fsec pulse duration, ultraviolet KrF laser system has been developed as a pump laser for short wavelength X-ray lasers. Additions and improvements to the laser system will be described. Attempts to reduce the effect of amplified spontaneous emission (ASE) through the use of spatial filters, saturable absorbers and target design will be discussed. Improvements to the optical system have been made in order to provide a 3 jtm focal spot size with care being taken not to introduce significant broadening of the pulse duration. It is estimated that focal spot intensities in excess of 1018 W/cm2 have been obtained on target. Soft X-ray spectra resulting from various laser-target experiments will be presented. Theoretical schemes for the development of X-ray lasing in the wavelength region of 1-5 nm will be discussed.

Paper Details

Date Published: 1 May 1990
PDF: 11 pages
Proc. SPIE 1229, Femtosecond to Nanosecond High-Intensity Lasers and Applications, (1 May 1990); doi: 10.1117/12.18655
Show Author Affiliations
William Tighe, Princeton Univ. (United States)
ChangHee Nam, Princeton Univ. (South Korea)
Julius Goldhar, Univ. of Maryland (United States)
Lewis D. Meixler, Princeton Univ. (United States)
John A. Robinson, Princeton Univ. (United States)
Ernie J. Valeo, Princeton Univ. (United States)
Szymon Suckewer, Princeton Univ. (United States)


Published in SPIE Proceedings Vol. 1229:
Femtosecond to Nanosecond High-Intensity Lasers and Applications
E. Michael Campbell, Editor(s)

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