High efficiency tunable unidirectional single-longitudinal-mode Er:YAG ring laser based on an acousto-optic modulator

Shuai Huang, Chaoyong Chen, Kaixin Wang, Xu Zhang, Qing Wang, Chunqing Gao

科研成果: 期刊稿件文章同行评审

5 引用 (Scopus)

摘要

A wavelength tunable single-longitudinal-mode (SLM) Er:YAG ring laser around 1.6 µm is demonstrated. By using an acousto-optic modulator (AOM) to force unidirectional operation, up to 10.4 W and 8.7 W SLM laser output power are obtained at 1645.22 nm and 1617.33 nm, with corresponding slope efficiencies of 45% and 40%, respectively. Besides, stable dual-wavelength operation at both 1645 nm and 1617 nm is also achieved with the maximum power of 9.1 W. By rotating the birefringent filter (BRF) in the ring cavity, the wavelength could be tuned from 1616.77 nm to 1617.51 nm and 1644.51 nm to 1646.12 nm. The line width is measured to be 125 kHz at 1617 nm and 131 kHz at 1645 nm via the time-delayed self-heterodyne method. As far as we know, 8.7 W is the highest continuous-wave SLM output power at 1617 nm.

源语言英语
页(从-至)6445-6452
页数8
期刊Optics Express
29
5
DOI
出版状态已出版 - 1 3月 2021

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Huang, S., Chen, C., Wang, K., Zhang, X., Wang, Q., & Gao, C. (2021). High efficiency tunable unidirectional single-longitudinal-mode Er:YAG ring laser based on an acousto-optic modulator. Optics Express, 29(5), 6445-6452. https://doi.org/10.1364/OE.416284