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Proceedings Paper

Absorption and damage threshold of KCl and KBr at 10.6 um
Author(s): Manfred Rahe; Reinhard Kunze; Holger Schmidt; Detlev Ristau; Herbert Welling
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Paper Abstract

In this paper we report on an empirical study of the absorption and laser damage threshold behavior of uncoated KCI and KBr windows at 10.6 micrometers . Absorption measurements were performed with the aid of CO2 laser calorimeter. Single-shot damage thresholds at different spot sizes were measured by a computer-controlled test facility using 100 ns pulses from a TEA-CO2 laser. A video microscopy system was installed for on-line damage detection. Onset-damage thresholds (0% LIDT) are compared with the 50% damage thresholds. Damage morphology was investigated by Nomarski microscopy.

Paper Details

Date Published: 29 July 1992
PDF: 15 pages
Proc. SPIE 1624, Laser-Induced Damage in Optical Materials: 1991, (29 July 1992); doi: 10.1117/12.60102
Show Author Affiliations
Manfred Rahe, Laser Zentrum Hannover e.V. (Germany)
Reinhard Kunze, Laser Zentrum Hannover e.V. (Germany)
Holger Schmidt, Laser Zentrum Hannover e.V. (Germany)
Detlev Ristau, Univ. Hannover (Germany)
Herbert Welling, Univ. Hannover (Germany)

Published in SPIE Proceedings Vol. 1624:
Laser-Induced Damage in Optical Materials: 1991
Harold E. Bennett; Lloyd L. Chase; Arthur H. Guenther; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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