Nonlinear absorption and laser-induced damage of BaF2, CaF2, and Al2O3 at 248 nm

Nikolay V. Morozov; Paul B. Sergeev

doi:10.1117/12.417709

1 March 2001 Nonlinear absorption and laser-induced damage of BaF₂, CaF₂, and Al₂O₃ at 248 nm

Nikolay V. Morozov, Paul B. Sergeev

Proceedings Volume 4351, Laser Optics 2000: High-Power Gas Lasers; (2001) https://doi.org/10.1117/12.417709
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

Abstract

Transmission dependencies of optical materials samples BaF₂, Al₂O₃ and CaF₂ (the infrared range sample) from KrF-laser radiation intensity with pulse duration of 85 ns are experimentally received. From these dependencies, two-photon absorption coefficients at laser wavelength 248 nm are found which for the appropriate materials are equal to 0.5 +/- 0.2, 2 +/- 1 and 30 cm/GW. Laser damage thresholds of the surface and volume of the investigated samples at 248 nm are also determined.

Citation Download Citation

Nikolay V. Morozov and Paul B. Sergeev "Nonlinear absorption and laser-induced damage of BaF₂, CaF₂, and Al₂O₃ at 248 nm", Proc. SPIE 4351, Laser Optics 2000: High-Power Gas Lasers, (1 March 2001); https://doi.org/10.1117/12.417709

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