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Advances in Condensed Matter Physics
Volume 2014, Article ID 308918, 7 pages
http://dx.doi.org/10.1155/2014/308918
Research Article

Influence of Ambient Temperature on Nanosecond and Picosecond Laser-Induced Bulk Damage of Fused Silica

1Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
2School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China

Received 28 February 2014; Accepted 3 June 2014; Published 19 June 2014

Academic Editor: Haiyan Xiao

Copyright © 2014 L. Yang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The nanosecond (ns) and picosecond (ps) pulsed laser-induced damage behaviors of fused silica under cryogenic and room temperature have been investigated. The laser-induced damage threshold (LIDT) and damage probability are used to understand the damage behavior at different ambient temperatures. The results show that the LIDTs for both ns and ps slightly increased at cryogenic temperature compared to that at room temperature. Meanwhile, the damage probability has an inverse trend; that is, the damage probability at low temperature is smaller than that at room temperature. A theoretical model based on heated crystal lattice is well consistent with the experimental results.