Engineering and Technology

Ultra high damage threshold optics for high power lasers

Y. Michine and H. Yoneda

Discover groundbreaking advancements in high-damage-threshold optics achieved by Yurina Michine and Hitoki Yoneda, utilizing neutral gas as an active medium to control powerful laser beams efficiently with compact components.

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Playback language: English

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Abstract

The output energies of lasers have increased significantly, but the damage threshold of optical components has not kept pace, leading to larger optics in high-energy laser systems. This paper proposes high-damage-threshold optics using a neutral gas as an active medium, achieving >95% diffraction efficiency and a damage threshold of 1.6 kJ/cm² for 6 ns laser pulses. The authors anticipate controlling a 1 kJ laser beam with 1 cm sized optics driven by a <50 mJ ultraviolet laser.

Publisher

Communications Physics

Published On

Jan 24, 2020

Authors

Yurina Michine, Hitoki Yoneda

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