Mirrors and gratings used in high power ultra fast lasers require a broad bandwidth and high
damage fluence, which is essential to the design and construction of petawatt class short
pulse lasers. Damage fluence of several commercially available high energy broad band
dielectric mirrors with over 100 nm bandwidth at 45 degree angle of incidence, and pulse
compression reflection gratings with gold coating with varying processing conditions is
studied using a 25 femtosecond ultra-fast laser.

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more. … Damage fluence of several optics is studied in air and low vacuum using a 25
femtosecond ultra-fast laser, including broadband dielectric mirrors and pulse-compression
reflection gratings with gold and silver coating with varying processing conditions. …