Thermal behavior of optical mirrors under high-power continuous wave CO2 laser irradiation

Jean Hue; Jean DiJon; Philippe Lyan

doi:10.1117/12.147389

24 June 1993 Thermal behavior of optical mirrors under high-power continuous wave CO₂ laser irradiation

Jean Hue, Jean DiJon, Philippe Lyan

Author Affiliations +

Proceedings Volume 1848, 24th Annual Boulder Damage Symposium Proceedings -- Laser-Induced Damage in Optical Materials: 1992; (1993) https://doi.org/10.1117/12.147389
Event: Optical Materials for High Power Lasers, 1992, Boulder, CO, United States

Abstract

From experimental results we characterize the catastrophic damage threshold of mirrors irradiated with cw CO₂ laser by a critical temperature. Analytical expressions of the mirror temperature versus beam radius are developed. A comparison between experiments and theory shows that P/R determined in test is the good ratio to compare mirror coatings and to scale test.

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Jean Hue, Jean DiJon, and Philippe Lyan "Thermal behavior of optical mirrors under high-power continuous wave CO₂ laser irradiation", Proc. SPIE 1848, 24th Annual Boulder Damage Symposium Proceedings -- Laser-Induced Damage in Optical Materials: 1992, (24 June 1993); https://doi.org/10.1117/12.147389

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