Compact laser amplifier based on SrF2 crystal

Siqi Long; Lailin Ji; Xianghe Guan; Yong Cui; Xiaohui Zhao; Tao Wang; Zhan Sui

doi:10.1117/12.3047782

13 December 2024 Compact laser amplifier based on SrF₂ crystal

Siqi Long, Lailin Ji, Xianghe Guan, Yong Cui, Xiaohui Zhao, Tao Wang, Zhan Sui

Proceedings Volume 13492, AOPC 2024: Laser Technology and Applications; 134920Y (2024) https://doi.org/10.1117/12.3047782
Event: Applied Optics and Photonics China 2024 (AOPC2024), 2024, Beijing, China

Abstract

We report a two-stage two-pass compact amplifier based on SrF₂ crystal with gains of over 10⁶. The shape of the crystal is irregular, so that the gain length is increased and parasitic oscillation is suppressed. The amplified spontaneous emission (ASE) and spectral characteristic of amplifier are analyzed. The results show that ASE increases with the pump power, and the simultaneous use of different crystals types can increase the output bandwidth. This work has a potential application in high-power / high-energy laser devices.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Siqi Long, Lailin Ji, Xianghe Guan, Yong Cui, Xiaohui Zhao, Tao Wang, and Zhan Sui "Compact laser amplifier based on SrF₂ crystal", Proc. SPIE 13492, AOPC 2024: Laser Technology and Applications, 134920Y (13 December 2024); https://doi.org/10.1117/12.3047782

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