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Proceedings Paper

UV damage threshold of molecular-beam-deposited fluoride coatings
Author(s): Sven Laux; Klaus R. Mann; Ute Kaiser; Bernd Granitza; Oliver Roth; Wolfgang Richter
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Paper Abstract

Optical coatings for the ultraviolet spectral region consisting of fluorides have been made by molecular beam deposition in ultrahigh vacuum. The laser induced damage threshold at (lambda) equals 248 nm of the NdF3 single layers has been improved by means of reactive deposition. It was found that the threshold of fluoride antireflection coatings for 248 nm is significantly lower than that of single layers and does not show significant dependence on reactive gas conditions. A surface smoothing has been obtained due to an interrupted growth of very thin sublayers crystallizing in different crystal lattices. The damage threshold of interrupted grown antireflection coatings is somewhat higher than that of a conventional one.

Paper Details

Date Published: 27 May 1996
PDF: 5 pages
Proc. SPIE 2714, 27th Annual Boulder Damage Symposium: Laser-Induced Damage in Optical Materials: 1995, (27 May 1996); doi: 10.1117/12.240373
Show Author Affiliations
Sven Laux, Univ. Jena (Germany)
Klaus R. Mann, Laser-Lab. Goettingen eV (Germany)
Ute Kaiser, Univ. Jena (Germany)
Bernd Granitza, Laser-Lab. Goettingen eV (Germany)
Oliver Roth, Univ. Jena (Germany)
Wolfgang Richter, Univ. Jena (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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