Observations of x-ray gain in a laser-produced germanium plasma

James Dunn; Hector A. Baldis; G. D. Enright; Bruno LaFontaine; David M. Villeneuve; Jean-Claude Kieffer; Henri Pepin; Marc Nantel; Mohamed Chaker

doi:10.1117/12.134810

5 February 1992 Observations of x-ray gain in a laser-produced germanium plasma

James Dunn, Hector A. Baldis, G. D. Enright, Bruno LaFontaine, David M. Villeneuve, Jean-Claude Kieffer, Henri Pepin, Marc Nantel, Mohamed Chaker

Author Affiliations +

Proceedings Volume 1551, Ultrashort Wavelength Lasers; (1992) https://doi.org/10.1117/12.134810
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Slab germanium targets have been irradiated in a line focus geometry with 1-3 nsec FWHM, 1.06-micron laser pulses at irradiances of I equal to or less than 10 exp 13 W/sq cm. The effect of varying the rise-time of the driving laser pulse on the amplification of 3-3 soft X-ray lasing lines is investigated. Results of short-pulse (100 psec FWHM) experiments have also shown gain on the same lasing transitions, but at substantially higher irradiances of I equal to or greater than 3 x 10 exp 13 W/sq cm.

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James Dunn, Hector A. Baldis, G. D. Enright, Bruno LaFontaine, David M. Villeneuve, Jean-Claude Kieffer, Henri Pepin, Marc Nantel, and Mohamed Chaker "Observations of x-ray gain in a laser-produced germanium plasma", Proc. SPIE 1551, Ultrashort Wavelength Lasers, (5 February 1992); https://doi.org/10.1117/12.134810

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