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Proceedings Paper

Studies of femtosecond laser induced damage of HfO2 thin film in atmospheric and vacuum environments
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Paper Abstract

The single pulse femtosecond laser induced damage threshold (LIDT) of hafnia and silica films is not affected by the ambient gas pressure. In vacuum, the multiple pulse LIDT drops to ~10% (~10%) of its atmospheric value for hafnia (silica). The water vapor content of the ambient gas was found to control the change in the LIDT. The LIDT of bulk fused silica surfaces did now show any dependence on the ambient gas pressure. Hydrocarbons (toluene) did not change the multiple pulse LIDT for Hafnia films

Paper Details

Date Published: 31 December 2009
PDF: 8 pages
Proc. SPIE 7504, Laser-Induced Damage in Optical Materials: 2009, 750403 (31 December 2009);
Show Author Affiliations
D. N. Nguyen, The Univ. of New Mexico (United States)
L. A. Emmert, The Univ. of New Mexico (United States)
W. Rudolph, The Univ. of New Mexico (United States)
D. Patel, Colorado State Univ. (United States)
E. Krous, Colorado State Univ. (United States)
C. S. Menoni, Colorado State Univ. (United States)
M. Shinn, Thomas Jefferson National Accelerator Facility (United States)

Published in SPIE Proceedings Vol. 7504:
Laser-Induced Damage in Optical Materials: 2009
Gregory J. Exarhos; Vitaly E. Gruzdev; Detlev Ristau; M. J. Soileau; Christopher J. Stolz, Editor(s)

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