Station for LIDT tests of optical components under cryogenic conditions

J. Oulehla; J. Lazar

doi:10.1117/12.2068212

31 October 2014 Station for LIDT tests of optical components under cryogenic conditions

J. Oulehla, J. Lazar

Proceedings Volume 9237, Laser-Induced Damage in Optical Materials: 2014; 923720 (2014) https://doi.org/10.1117/12.2068212
Event: SPIE Laser Damage, 2014, Boulder, Colorado, United States

Abstract

In this contribution we present a technology for deposition and testing of interference coatings for optical components designed to operate as in power pulsed lasers. We have designed and are in the process of building a testing apparatus which serves as an addition to our existing optical coating production facility. This allows us to prepare a coating which can then tested and the results might be used to optimize it. The test samples are placed in a vacuum chamber, cooled down to approximately 120K and illuminated by a pulsed laser to determine laser damage threshold of the coatings under conditions similar to real life operation. Optical microscopy and spectrophotometer measurements are going to be used for coating investigation after the conducted experiments.

Citation Download Citation

J. Oulehla and J. Lazar "Station for LIDT tests of optical components under cryogenic conditions", Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 923720 (31 October 2014); https://doi.org/10.1117/12.2068212

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