Efficient and Tunable 1.6-μm MgO:PPLN Optical Parametric Oscillator Pumped by Nd:YVO<sub>4</sub>/YVO<sub>4</sub> Raman Laser
oleh: Lei Zhao, Xin Ding, Jian Liu, Guizhong Zhang, Xuanyi Yu, Yang Liu, Bing Sun, Jingbo Wang, Yuntao Bai, Guoxin Jiang, Peng Lei, Tengteng Li, Liang Wu, Jianquan Yao
| Format: | Article |
|---|---|
| Diterbitkan: | IEEE 2020-01-01 |
Deskripsi
A highly-efficient tunable 1.6 μm MgO:PPLN-OPO, which we believe to be the first one pumped by a diode-end-pumped Raman laser, is demonstrated. A good beam-quality of actively Q-switched Nd:YVO<sub>4</sub>/YVO<sub>4</sub> Raman laser at 1176 nm and a good mode matching of the whole system resulted in a high-performance OPO. The highest Raman-to-signal conversion efficiency was 49.5% at 1638.8 nm when the incident Raman power was 2 W. The maximum output power of 3.2 W at 1663.5 nm with the pulse-width of 2.85 ns was obtained pumped by 7.57-W Raman laser. Meanwhile, the linewidth was less than 0.3 nm and a high beam quality with M<sup>2</sup> factor of 1.92 was obtained.