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Proceedings Paper

Algorithm for cumulative damage probability calculations in S-on-1 laser damage testing
Author(s): Stefan Schrameyer; Marco Jupé; Lars Jensen; Detlev Ristau
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Paper Abstract

In the determination of the laser-induced damage threshold of optics, the correct estimation of damage probabilities is essential. In this publication, a simple procedure based on physical considerations is proposed to optimize the calculation of the damage probabilities by using a cumulative algorithm. The predicted status of test sites at higher and lower fluences than actually tested provides the basis for a new data reduction. It is shown that the proposed algorithm increases the statistically relevant amount of data per fluence interval dQi by using virtual test sites. Thus, the uncertainty σi in the calculation of the damage probabilities is reduced significantly and the subsequent linear regression of the damage probabilities will have a reduced least squared error. Non-linear regression of the damage probability according to defect-induced damage models as published numerous times in recent years are also performed to utilize a better confidence level which will be shown exemplarily.

Paper Details

Date Published: 14 November 2013
PDF: 7 pages
Proc. SPIE 8885, Laser-Induced Damage in Optical Materials: 2013, 88851J (14 November 2013); doi: 10.1117/12.2029997
Show Author Affiliations
Stefan Schrameyer, Laser Zentrum Hannover e.V. (Germany)
Cutting Edge Coatings GmbH (Germany)
Marco Jupé, Laser Zentrum Hannover e.V. (Germany)
Lars Jensen, Laser Zentrum Hannover e.V. (Germany)
Detlev Ristau, Laser Zentrum Hannover e.V. (Germany)

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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