5 June 2018 Strategies for improving the laser-induced damage thresholds of dichroic coatings developed for high-transmission at 527nm and high reflection at 1054nm
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Proceedings Volume 10713, Pacific-Rim Laser Damage 2018: Optical Materials for High-Power Lasers; 107130A (2018) https://doi.org/10.1117/12.2317131
Event: Pacific Rim Laser Damage 2018: Optical Materials for High Power Lasers, 2018, Yokohama, Japan
Abstract
We report on progress for increasing the laser-induced damage threshold of dichroic beam combiner coatings for high transmission at 527 nm and high reflection at 1054 nm (22.5° angle of incidence, S-polarization). The initial coating consisted of HfO2 and SiO2 layers deposited with electron beam evaporation, and the laser-induced damage threshold was 7 J/cm2 at 532 nm with 3.5 ns pulses. This study introduces different coating strategies that were utilized to increase the laser damage threshold of this coating to 12.5 J/cm2.
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Ella S. Field, Damon E. Kletecka, "Strategies for improving the laser-induced damage thresholds of dichroic coatings developed for high-transmission at 527nm and high reflection at 1054nm", Proc. SPIE 10713, Pacific-Rim Laser Damage 2018: Optical Materials for High-Power Lasers, 107130A (5 June 2018); doi: 10.1117/12.2317131; https://doi.org/10.1117/12.2317131
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