Temporally Programmable Hybrid MOPA Laser with Arbitrary Pulse Shape and Frequency Doubling

Temporally Programmable Hybrid MOPA Laser with Arbitrary Pulse Shape and Frequency Doubling
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具有任意脉冲形状和倍频功能的临时可编程混合 MOPA 激光器

DOI:
10.3390/app7090892
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发表时间:
2017-09
影响因子:
2.7
通讯作者:
Liu Q
Liu Q
中科院分区:
综合性期刊4区
文献类型:
--
作者:
Nie Mingming;Liu Qiang;Ji Encai;Cao Xuezhe;Fu Xing;Liu Q

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在由三个掺钕钒酸钇(Nd:YVO4)放大器组成的固态主振荡器功率放大器(MOPA)系统中,通过补偿增益饱和,实现了任意形状的脉冲。通过详细研究放大器的动态特性,得到了具有补偿脉冲畸变的车形脉冲波形。获得了所需的脉冲形状,如多阶、方形、抛物线和高斯脉冲,具有41.6 kW的高峰功率水平和小于0.06 nm的窄线宽。此外,通过二次谐波产生,获得了不同脉冲形状的绿色激光,最大转换效率为42.6%。
An arbitrary pulse shape by compensating gain saturation in a solid-state Master oscillator power amplifier (MOPA) system made up of three Neodymium doped yttrium vanadate (Nd:YVO4) amplifiers is demonstrated. By investigating the amplifier dynamics in detail, car-shaped pulse shapes were obtained with compensated pulse distortion. Desired pulse shapes, such as multiple-step, square, parabolic, and Gaussian pulses, were achieved, with a high peak power level of 41.6 kW and a narrow linewidth less than 0.06 nm. In addition, through second harmonic generation (SHG), a green laser with different pulse shapes was obtained, with a maximum conversion efficiency of 42.6%.
光纤耦合激光二极管泵浦的高增益单级单通 Nd:YVO4 放大器的设计:仿真与实验
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