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Proceedings Paper

Improvements in the laser damage behavior of Ta2O5/SiO2 interference coatings by modification of the top layer design
Author(s): D. Patel; D. Schiltz; P. F. Langton; L. Emmert; L. N. Acquaroli; C. Baumgarten; B. Reagan; J. J. Rocca; W. Rudolph; A. Markosyan; R. R. Route; M. Fejer; C. S. Menoni
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Paper Abstract

We have investigated the properties and laser damage behavior of Ta2O5/SiO2 quarter wave stacks designed for λ=1 μm operation by substituting the Ta2O5 layer by either Y2O3 or HfO2 and the SiO2 by Al2O3 in the top 3 pairs of the multilayer stack. The high reflectors were deposited by dual ion beam sputtering. Laser damage at 1 μm using 350 ps showed enhanced performance when the Ta2O5/SiO2 stack had HfO2 or Y2O3 in its top few pairs.

Paper Details

Date Published: 19 November 2013
PDF: 5 pages
Proc. SPIE 8885, Laser-Induced Damage in Optical Materials: 2013, 888522 (19 November 2013); doi: 10.1117/12.2030380
Show Author Affiliations
D. Patel, Colorado State Univ. (United States)
D. Schiltz, Colorado State Univ. (United States)
P. F. Langton, Colorado State Univ. (United States)
L. Emmert, Univ. of New Mexico (United States)
L. N. Acquaroli, Colorado State Univ. (United States)
C. Baumgarten, Colorado State Univ. (United States)
B. Reagan, Colorado State Univ. (United States)
J. J. Rocca, Colorado State Univ. (United States)
W. Rudolph, Univ. of New Mexico (United States)
A. Markosyan, Stanford Univ. (United States)
R. R. Route, Stanford Univ. (United States)
M. Fejer, Stanford Univ. (United States)
C. S. Menoni, Colorado State Univ. (United States)

Published in SPIE Proceedings Vol. 8885:
Laser-Induced Damage in Optical Materials: 2013
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; MJ Soileau, Editor(s)

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