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Proceedings Paper

Generation Of 25 nm Coherent Padiation
Author(s): J Pokor; P. H Bucksbaum; R R Freeman
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Paper Abstract

The recent development of rare gas halogen excimer lasers as amplifiers for picosecond pulses has led to the availability of ultraviolet laser pulses with gigawatt peak powers [1,2]. As primary sources of ultraviolet radiation, these lasers provide new leverage for the nonlinear generation of extreme ultraviolet (XUV) coherent radiation. We report studies of harmonic generation using a picosecond pulse 24P nm krypton fluoride laser system [1]. The third, fifth, and seventh harmonics were observed at 82.P nm, nm, and 35. nm, respectively. A more detailed description of the experiments has been published elsewhere [3]. A new geometrical arrangement for the observation of harmonic generation to the XUV spectral region was employed in these experiments; the nonlinear interaction took place at the intersection of the laser focus with an orthogonally directed, pulsed supersonic gas jet [3,11]. such an arrangement provides a localized region of high gas density in the vicinity of the nozzle orifice while substantially reducing the gas load on the pumping system.

Paper Details

Date Published: 23 May 1984
PDF: 3 pages
Proc. SPIE 0461, New Lasers for Analytical & Industrial Chemistry, (23 May 1984); doi: 10.1117/12.941071
Show Author Affiliations
J Pokor, Bell Laboratories (United States)
P. H Bucksbaum, Bell Laboratories (United States)
R R Freeman, Bell Laboratories (United States)

Published in SPIE Proceedings Vol. 0461:
New Lasers for Analytical & Industrial Chemistry
Anthony F. Bernhardt, Editor(s)

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