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Narrow linewidth high beam quality long pulse solid-state yellow laser at 589 nm by intra-cavity sum-frequency generation
Author(s): Qingshuang Zong; Qi Bian; Yudi Yang; Lijiao He; Xuming Wang; Junwei Zuo; Yong Bo; Lei Yuan; Yang Kou; Yang Liu; Dafu Cui; Qinjun Peng; Zuyan Xu
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Paper Abstract

We demonstrate a compact narrow linewidth high beam quality diode pumped solid-state microsecond (μs) pulse yellow laser at 589 nm by intra-cavity sum-frequency generation (SFG). The resonators are based on a symmetrical co-folding-arm plane-plane structure with a two-rod configuration for birefringence compensation, working in a thermally near-unstable range of the cavity. A twisted-mode cavity for spatial hole-burning elimination and an etalon in 1319 and 1064 nm resonators are employed to realize the narrow linewidth laser output. Moreover, in order to improve the SFG efficiency, the laser spiking due to relaxation oscillations is suppressed by inserting frequency doublers in both 1319 and 1064 nm oscillators. By carefully designing the cavity, a 4.8 W quasi-continuous wave yellow laser source at 589 nm is generated with a beam quality factor of M2 = 1.63 and a linewidth of ~ 0.44 pm. The 589 nm laser is operated at a repetition rate of 500 Hz with pulse duration of ~ 115 μs.

Paper Details

Date Published: 17 May 2019
PDF: 7 pages
Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 111700M (17 May 2019); doi: 10.1117/12.2532304
Show Author Affiliations
Qingshuang Zong, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Univ. of Chinese Academy of Sciences (China)
Qi Bian, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Yudi Yang, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Univ. of Chinese Academy of Sciences (China)
Lijiao He, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Univ. of Chinese Academy of Sciences (China)
Xuming Wang, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Univ. of Chinese Academy of Sciences (China)
Junwei Zuo, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Yong Bo, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Lei Yuan, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Yang Kou, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Yang Liu, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Dafu Cui, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Qinjun Peng, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)
Zuyan Xu, Key Lab. of Solid-state Laser, Technical Institute of Physics and Chemistry (China)
Key Lab. of Functional Crystal and Laser Technology (China)


Published in SPIE Proceedings Vol. 11170:
14th National Conference on Laser Technology and Optoelectronics (LTO 2019)
Jianqiang Zhu; Weibiao Chen; Zhenxi Zhang; Minlin Zhong; Pu Wang; Jianrong Qiu, Editor(s)

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