Experimental investigation of the damage threshold in thin-film optical coatings by a laser with high uniformity in irradiation spot

Alexandr V. Nikonov; Nikolai S. Zakharov; Andrey V. Kozlov; Vladimir Al. Pavlov; Vitaliy V. Rudenko

doi:10.1117/12.271661

4 April 1997 Experimental investigation of the damage threshold in thin-film optical coatings by a laser with high uniformity in irradiation spot

Alexandr V. Nikonov, Nikolai S. Zakharov, Andrey V. Kozlov, Vladimir Al. Pavlov, Vitaliy V. Rudenko

Author Affiliations +

Proceedings Volume 3093, Nonresonant Laser-Matter Interaction (NLMI-9); (1997) https://doi.org/10.1117/12.271661
Event: Nonresonant Laser-Matter Interaction, 1996, St. Petersburg, Russian Federation

Abstract

The present report gives an account of experimental investigations of coatings damage under laser radiation (LR) action. Q-switch modulation ((tau) _i0,5 equals 30 ns) and free generation (total impulse duration (tau) _i equals 170 microseconds) regimes of Nd-laser working were used in the experiment. The energy thresholds are determined for seven samples with different coatings. Some notes to research test scheme, principles of results processing, physical description and discussion of research results are contained in this paper.

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Alexandr V. Nikonov, Nikolai S. Zakharov, Andrey V. Kozlov, Vladimir Al. Pavlov, and Vitaliy V. Rudenko "Experimental investigation of the damage threshold in thin-film optical coatings by a laser with high uniformity in irradiation spot", Proc. SPIE 3093, Nonresonant Laser-Matter Interaction (NLMI-9), (4 April 1997); https://doi.org/10.1117/12.271661

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