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24 November 2021 High-power Q-switched 1319 nm diode-side-pumped solid-state laser
Minzhe Liu, Xuexin Shi, Wei Yan, Kun Zhao, Menglin Liu, Yong Wang, Junjun Zhao, Songsong Sun, Lisha Wang
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Proceedings Volume 12060, AOPC 2021: Advanced Laser Technology and Applications; 120600A (2021) https://doi.org/10.1117/12.2604177
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China
Abstract
In recent years, 1.3 μm lasers have been widely used in laser medical treatment, optical fiber communication and optoelectronic countermeasures, etc. In this paper, the unstable cavity structure with double pump cavity connected in series and the method to optimize the thermal lens effect are used to obtain a maximum 41 W average power of continuous-wave laser. Meanwhile, the pulsed laser is realized through an acousto-optic Q switch and the repetition rate can be adjusted in the range of 1~10 kHz. The maximum single pulse energy can reach 8.44 mJ with the repetition frequency of 1 kHz, corresponding to 65 kW peak power. In the future, the output power will be further improved by optimizing the laser, which will be beneficial to expand the applications in related fields.
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Minzhe Liu, Xuexin Shi, Wei Yan, Kun Zhao, Menglin Liu, Yong Wang, Junjun Zhao, Songsong Sun, and Lisha Wang "High-power Q-switched 1319 nm diode-side-pumped solid-state laser", Proc. SPIE 12060, AOPC 2021: Advanced Laser Technology and Applications, 120600A (24 November 2021); https://doi.org/10.1117/12.2604177
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KEYWORDS
Semiconductor lasers
Solid state lasers
High power lasers
Q switched lasers
Nd:YAG lasers
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