Abstract

We describe the design, fabrication, and performance of high-efficiency transmission gratings fabricated in bulk fused silica for use in high-power ultraviolet laser systems. The gratings exhibit a diffraction efficiency of 94% in order $m=-1$ and a damage threshold greater than $13 \mathrm{J}/{\mathrm{cm}}^2$ for 3-ns pulses at 351 nm. Model calculations and experimental measurements are in good agreement.

© 1997 Optical Society of America

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