High-power multichannel PPMgLN-based optical parametric oscillator pumped by a master oscillation power amplification-structured Q-switched fiber laser

被引：19

作者：

Chen, Tao ^{[1
]}

Wei, Kaihua ^{[1
]}

Jiang, Peipei ^{[1
]}

Wu, Bo ^{[1
]}

Shen, Yonghang ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Opt Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Zhejiang, Peoples R China

来源：

APPLIED OPTICS | 2012年 / 51卷 / 28期

基金：

中国国家自然科学基金;

关键词：

3.8; MU-M; CONTINUOUS-WAVE; OUTPUT POWER; EFFICIENCY; ENERGY;

D O I：

10.1364/AO.51.006881

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We experimentally demonstrated a compact fiber laser-pumped multichannel PPMgLN-based optical parametric oscillator (OPO) generating total OPO output power of 15.8, 15.2, 14.2, 12.9, and 8.8 W with idler output power of 4.7, 4.3, 4.1, 3.3, and 2.1 Wat the wavelength of 3.43, 3.63, 3.72, 3.83, and 3.99 mu m, respectively. The OPO was pumped by a fully fiberized polarization maintaining (PM) ytterbium-doped pulsed fiber master oscillation power amplifier (MOPA) operating at 1064 nm at a repetition rate of 65 kHz with effective pump power of 28.7 W. The MOPA system was constructed with an acousto-optic Q-switched fiber laser seed and only one stage PM fiber amplifier without any free space components, which makes the pump system compact and stable in the long-term. Comparisons on efficiencies and signal wavelength shifts between different channels showed that the idler absorption was the main factor preventing high average-power OPO operation with long idler wavelength. (C) 2012 Optical Society of America

引用

页码：6881 / 6885

页数：5

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