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  • Chinese Optics Letters
  • Vol. 22,
  • Issue 2,
  • pp. 021401-
  • (2024)

2.32 W anti-misaligned Er:LuAG single-longitudinal-mode laser in the double corner-cube-retroreflector resonator and MOPA system

Jiawei Fan, Youlun Ju, Chenchen Jiang, Yue Yuan, Dong Yan, Xingbang Yang, Xiaoming Duan, Tongyu Dai, Baoquan Yao, and Jiaze Wu

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Abstract

We demonstrate a high power, Er:LuAG single-longitudinal-mode laser in an anti-misaligned resonator. Based on the Faraday effect, a 1.61 W single-longitudinal-mode (SLM) laser is obtained with the double corner-cube-retroreflector (CCR) structure, and the tunable wavelength is 1649.2–1650.3 nm. Additionally, we investigate the anti-misalignment characteristics when the CCR moves and rotates along the optical axis. Furthermore, by utilizing the Er:LuAG amplifier, the maximum 2.32 W single-longitudinal-mode laser at 1649.6 nm is achieved. The beam quality factors M2 of the 2.32 W Er:LuAG single-longitudinal-mode laser are 1.23 and 1.25 along the horizontal (x) and vertical (y) directions, respectively.

© 2024 Chinese Laser Press

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