1.8-μm MgO: PPLN optical parametric oscillator pumped by Nd: YVO4/YVO4 2nd-Stokes Raman laser

被引：6

作者：

Lei, Peng ^{[1
,2
]}

Ding, Xin ^{[1
,2
]}

Bai, Yuntao ^{[1
,2
]}

Yu, Xuanyi ^{[3
]}

Jiang, Guoxin ^{[1
,2
]}

Li, Tengteng ^{[1
,2
]}

Sun, Bing ^{[1
,2
]}

Zhang, Xingrui ^{[1
,2
]}

Li, Xiangxiang ^{[1
,2
]}

Wu, Liang ^{[1
,2
]}

Zhang, Guizhong ^{[1
,2
]}

Yao, Jianquan ^{[1
,2
]}

机构：

[1] Tianjin Univ, Minist Educ, Sch Precis Instrument & Optoelect Engn, Inst Laser & Optoelect, Tianjin 300072, Peoples R China

[2] Tianjin Univ, Minist Educ, Key Lab Optoelect Informat Technol, Tianjin 300072, Peoples R China

[3] Nankai Univ, Coll Phys Sci, Tianjin 300071, Peoples R China

来源：

RESULTS IN PHYSICS | 2021年 / 29卷

基金：

中国国家自然科学基金;

关键词：

Beam quality; 2nd-Stokes Raman pumping; 1; 8-mu m coherent light; Optical parametric oscillator; HIGH-BEAM-QUALITY; CLEANUP; SCATTERING; CONVERSION; OPO;

D O I：

10.1016/j.rinp.2021.104703

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An efficient MgO: PPLN singly resonant optical parametric oscillator (SROPO) pumped by a Nd: YVO4/YVO4 2nd-Stokes Raman laser at 1313 nm was demonstrated. The maximum conversion efficiency of 54.8% was obtained at the pump power of 1.16 W, which was higher than that of the OPO pumped by 1st-Stokes Raman laser at 1176 nm, due to the better beam quality, narrower line width and pulse width of the 2nd-Stokes Raman laser. The maximum output power of 1.57 W at 1855.5 nm with the pulse repetition frequency (PRF) of 40 kHz was achieved under the pump power of 4 W. The corresponding conversion efficiency was 39.7%, with the pulse width of 2.53 ns, linewidth of 0.45 nm, and M-2 of 1.87. Meanwhile, with the crystal period ranging from 27.91 to 29.98 mu m, the tuning range of signal wave was 1778.6-1861.8 nm.

引用

页数：6

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