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Proceedings Paper

Damage testing and characterization of dielectric coatings for high-power excimer lasers
Author(s): Klaus R. Mann; Eric Eva; A. Hopfmueller
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Paper Abstract

Damage threshold and absorptivity measurements on dielectric coatings for high power excimer lasers are presented in this paper. The experimental techniques applied are in accordance with respective ISO standards. In particular, we give a detailed description of a newly developed UV laser calorimeter which allows high precision determination of absorptivities for transmissive and reflective UV optical components. The measured dependence of the damage data on the laser pulse length and shape as well as the correlation between damage thresholds and absorptivities observed for high reflection coatings indicate that the thermal model for laser induced breakdown is still valid for 248 nm radiation in the nanosecond pulse length regime.

Paper Details

Date Published: 4 November 1994
PDF: 12 pages
Proc. SPIE 2253, Optical Interference Coatings, (4 November 1994); doi: 10.1117/12.192150
Show Author Affiliations
Klaus R. Mann, Laser-Lab. Goettingen e.V. (Germany)
Eric Eva, Laser-Lab. Goettingen e.V. (Germany)
A. Hopfmueller, Laser-Lab. Goettingen e.V. (Germany)

Published in SPIE Proceedings Vol. 2253:
Optical Interference Coatings
Florin Abeles, Editor(s)

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