Pulsed Er:YAG single corner cube ring cavity with variable output ratio

Jiawei Fan; Jiaze Wu; Youlun JuBaoquan YaoXiaoming DuanTongyu Dai

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Pulsed Er:YAG single corner cube ring cavity with variable output ratio

机译：Pulsed Er:YAG single corner cube ring cavity with variable output ratio

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摘要

In this paper, a ring cavity of Er:YAG laser with a single corner cube prism is investigated. Due to the depolarization effect of the corner cube, the tunable output coupling ratio was 0.25 to 72.67 by changing the angle of the λ / 4 plate according to the calculation results of Jones matrix. An experiment for checking the anti-detuning performances of the single corner cube cavity was also carried out. The results indicated that the output power was stable at the rotating angles of <3.06 deg and 1.637 deg along the vertical and horizontal directions, respectively. Under continuous wave operation, a 5.4 W vertically-polarized laser of 1645.1 nm was acquired through double polarizers with the beam quality factors (M~2) of 1.17 in the x direction and 1.42 in the y direction, and the slope efficiency was 45.47. Additionally, under the condition of a pulse-repetition-frequency (PRF) of 200 Hz, the pump power of 29.04 W, a maximum pulse energy of 2.2 mJ was realized, and the minimum pulse width was 86 ns, leading to a peak power of 25.58 KW.

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来源
《Optical Engineering》 |2023年第1期|016105-1-016105-8|共8页
作者
Jiawei Fan; Jiaze Wu; Youlun JuBaoquan YaoXiaoming DuanTongyu Dai;
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作者单位

National Key Lab. of Tunable Laser Technology, Harbin Institute of Technology (China);

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
Er:YAG lasers; Prisms; Laser resonators; Matrices; Pulsed laser operation; Cavity resonators; Optical engineering;

Pulsed Er:YAG single corner cube ring cavity with variable output ratio

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