基于MgO:PPLN晶体的光纤激光泵浦高功率中红外光学参量振荡器

Q4 Engineering 强激光与粒子束 Pub Date : 2021-11-15 DOI:10.11884/HPLPB202133.210308
He Yang, Chen Fei, Wang Haohua, Jia Yanhui
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引用次数: 2

摘要

为了实现高功率、高效率的中红外激光输出,研究了基于MgO:PPLN晶体的光学参量振荡器。泵浦源为线性偏振掺镱光纤激光器(YDFL),主振荡功率放大器(MOPA)结构。实验结果表明,YDFL可以在1064.1nm处实现最高功率为79.1W的脉冲线性偏振激光器。使用泵浦激光器,通过优化输出耦合器的曲率半径和泵浦腰直径,OPO在3.754µm处获得9.15 W的最大MIR功率。相应的光-光转换效率为11.57%,中红外激光的重复频率和脉冲宽度分别为300kHz和~110ns。
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Fiber-laser-pumped high-power mid-infrared optical parametric oscillator based on MgO:PPLN crystal
To achieve high-power mid-infrared laser output with high efficiency, the optical parametric oscillator (OPO) based on MgO:PPLN crystal is researched. The pump source is linearly polarized Yb-doped fiber laser (YDFL) with master oscillator power amplifier (MOPA) structure. Experimental results indicate that the YDFL can realize the pulse linearly polarized laser with the highest power of 79.1 W at 1064.1 nm. With the pump laser, the OPO obtains the maximum MIR power of 9.15 W at 3.754 µm by optimizing the curvature radius of output coupler and the pump waist diameter. The corresponding optical-to-optical conversion efficiency is 11.57%. The repetition rate and the pulse width of mid-infrared laser are 300 kHz and ~110 ns, respectively.
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来源期刊
强激光与粒子束
强激光与粒子束 Engineering-Electrical and Electronic Engineering
CiteScore
0.90
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0.00%
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11289
期刊最新文献
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