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Proceedings Paper

Polarized 10-ns frequency-doubled Nd:YAG laser-induced damage to titanium-doped sapphire
Author(s): Yang Sun; Qiang Zhang; Huixing Gong
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Paper Abstract

In the present paper, the experimental results of a 10 ns, 532 nm Q-switched Nd:YAG laser- induced surface and bulk damage of uncoated, polished Ti:sapphire (Ti:3+:Al2O3) single crystal, grown by the Induction Thermal Field Up-shift Method in our laboratory, are reported. It is found that the measured thresholds of both surface damage and bulk breakdown strongly varied not only with the Ti3+ ion doping concentrations of the tested sample but also with the crystallographic direction of the crystal, whose exact nature has not been previously identified. It is also observed that in the same conditions the surface damage threshold is much lower than the bulk damage threshold. The surface damage is the main cause to laser-induced damage of Ti:sapphire single crystal. In addition, the relative damage morphology and the possible explanation for these experimental results are given.

Paper Details

Date Published: 28 July 1994
PDF: 12 pages
Proc. SPIE 2114, Laser-Induced Damage in Optical Materials: 1993, (28 July 1994); doi: 10.1117/12.180874
Show Author Affiliations
Yang Sun, Shanghai Institute of Optics and Fine Mechanics (China)
Qiang Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Huixing Gong, Shanghai Institute of Optics and Fine Mechanics (China)

Published in SPIE Proceedings Vol. 2114:
Laser-Induced Damage in Optical Materials: 1993
Harold E. Bennett; Lloyd L. Chase; Arthur H. Guenther; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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