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Effects of film stress in laser-induced damage
Author(s): L. O. Jensen; T. Böntgen; H. Kessler; D. Ristau
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Paper Abstract

Investigations of reduced laser-induced damage thresholds in dielectric coatings when tested under vacuum show that film stress is one of the contributors to this effect. Also, there are a number of different approaches to ensure wavefront integrity of surfaces that high stress films have been applied to. To not only identify optimum wavefront integrity but also optimum laser-induced damage threshold, a specific set of samples has been designed, coated and tested. This paper reports on these results, based on films produced in an ion beam sputtering process.

Paper Details

Date Published: 16 November 2018
PDF: 6 pages
Proc. SPIE 10805, Laser-Induced Damage in Optical Materials 2018: 50th Anniversary Conference, 108050X (16 November 2018); doi: 10.1117/12.2500213
Show Author Affiliations
L. O. Jensen, Laser Zentrum Hannover e.V. (Germany)
T. Böntgen, Laser Zentrum Hannover e.V. (Germany)
H. Kessler, Manx Precision Optics Ltd. (Isle of Man)
D. Ristau, Laser Zentrum Hannover e.V. (Germany)

Published in SPIE Proceedings Vol. 10805:
Laser-Induced Damage in Optical Materials 2018: 50th Anniversary Conference
Christopher Wren Carr; Gregory J. Exarhos; Vitaly E. Gruzdev; Detlev Ristau; M.J. Soileau, Editor(s)

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