Automated test station for laser-induced damage threshold measurements according to ISO 21254-1,2,3,4 standards

Aurel Stratan; Alexandru Zorila; Laurentiu Rusen; Sandel Simion; Constantin Blanaru; Constantin Fenic; Liviu Neagu; George Nemes

doi:10.1117/12.976845

4 December 2012 Automated test station for laser-induced damage threshold measurements according to ISO 21254-1,2,3,4 standards

Aurel Stratan, Alexandru Zorila, Laurentiu Rusen, Sandel Simion, Constantin Blanaru, Constantin Fenic, Liviu Neagu, George Nemes

Author Affiliations +

Proceedings Volume 8530, Laser-Induced Damage in Optical Materials: 2012; 85301Y (2012) https://doi.org/10.1117/12.976845
Event: SPIE Laser Damage, 2012, Boulder, Colorado, United States

Abstract

An automated test station to measure the laser-induced damage threshold (LIDT) according to ISO 21254-1,2,3,4:2011 standards is presented. The laser is a single longitudinal mode, 500 mJ, 6 ns, Q-switched, 10 Hz, linearly polarized, 1064 nm laser, with 2-nd and 3-rd harmonic capabilities. The machine is able to operate the S-on-1 test (S = 500), or the Type 2 endurance (durability) test. The main blocks of the station are described, emphasizing some original solutions. Preliminary results of LIDT measurements using the S-on-1 test on several coatings and on uncoated fused silica substrates with various degrees of roughness are also presented.

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Aurel Stratan, Alexandru Zorila, Laurentiu Rusen, Sandel Simion, Constantin Blanaru, Constantin Fenic, Liviu Neagu, and George Nemes "Automated test station for laser-induced damage threshold measurements according to ISO 21254-1,2,3,4 standards", Proc. SPIE 8530, Laser-Induced Damage in Optical Materials: 2012, 85301Y (4 December 2012); https://doi.org/10.1117/12.976845

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