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Proceedings Paper

Laser damage processes in cleaved and polished CaF2 at 248 nm
Author(s): Michael Reichling; S. Gogoll; E. Stenzel; H. Johansen; M. Huisinga; Eckart Matthias
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Paper Abstract

Single-shot irradiation of single crystal CaF2 with 248 nm/14 ns laser light results in various degrees of degradation and damage depending on the applied laser fluence. Phenomena range from subtle, non-topographic surface modification only detectable by secondary electrons of scanning electron microscopy (SE-SEM) over cracking along crystallographic directions to the ablation of crystalline material. Significant differences are found for cleaved and polished surfaces. Findings from SEM investigations, in-situ photoacoustic mirage measurements and visual inspection of irradiated samples from a comprehensive picture of the stages of laser-induced damage.

Paper Details

Date Published: 27 May 1996
PDF: 13 pages
Proc. SPIE 2714, 27th Annual Boulder Damage Symposium: Laser-Induced Damage in Optical Materials: 1995, (27 May 1996); doi: 10.1117/12.240356
Show Author Affiliations
Michael Reichling, Freie Univ. Berlin (Germany)
S. Gogoll, Freie Univ. Berlin (Germany)
E. Stenzel, Freie Univ. Berlin (Germany)
H. Johansen, Max-Planck-Institut fuer Mikrostrukturphysik (Germany)
M. Huisinga, Freie Univ. Berlin (Germany)
Eckart Matthias, Freie Univ. Berlin (Germany)

Published in SPIE Proceedings Vol. 2714:
27th Annual Boulder Damage Symposium: Laser-Induced Damage in Optical Materials: 1995
Harold E. Bennett; Arthur H. Guenther; Mark R. Kozlowski; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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