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Proceedings Paper

Generation of CW Coherent Radiation In The Near U.V.
Author(s): Bernard Couillaud
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Paper Abstract

Following the demonstration of the second harmonic generation in 1961 by Franken, numerous non linear methods have been used associated with pulsed lasers to generate U.V. radiation in the range 200-300 nm. The corresponding sources are now widely used in the spectroscopic studies, but their limited monochromaticity makes them of poor interest in high resolution spectroscopy. There is for a long time now a pronounced interest to have at one's disposal a radiation source which provides extremely narrow bandwidth, convenient intensity and tunability, but it is only recently, with the advent of powerful CW dye lasers, and the development of enhancement techniques that the first reliable sources have been demonstrated, and the first high resolution spectroscopy studies performed. We give in this paper a brief and then certainly incomplete review of the different progress that has been made in the generation of highly monochromatic U.V. radiation. We mainly deal with the use of non linear crystals in second harmonic generation and sum frequency mixing schemes.

Paper Details

Date Published: 16 July 1986
PDF: 8 pages
Proc. SPIE 0610, Scientific and Engineering Applications of Commercial Laser Devices, (16 July 1986); doi: 10.1117/12.956379
Show Author Affiliations
Bernard Couillaud, Coherent, Inc. (United States)

Published in SPIE Proceedings Vol. 0610:
Scientific and Engineering Applications of Commercial Laser Devices
Rick Feinberg; Lewis Holmes; Morris Levitt, Editor(s)

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