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Power scaling and frequency stabilization of an injection-locked Nd:YAG rod laser

机译:注入锁定Nd:YAG棒激光器的功率定标和频率稳定

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摘要

The power scaling and frequency stabilization of a high-power, injection-locked, arc-lamp-pumped Nd: YAG laser at 1064 nm are discussed theoretically and experimentally. Thermal lensing and induced birefringence at high pump powers are modeled, and the effectiveness of the model for compensating thermal lensing is demonstrated with four different laser heads. Two distinct active frequency-stabilization schemes for injection-locked lasers are also compared theoretically and experimentally. These efforts yield a 24-W, linearly polarized, continuous-wave, TEM_(00) output with a spectral linewidth of 1.5 Hz measured by heterodyne detection.
机译:从理论上和实验上讨论了大功率,注入锁定,弧光灯泵浦的Nd:YAG激光器在1064 nm的功率定标和频率稳定度。对高泵浦功率下的热透镜和感应双折射进行了建模,并用四个不同的激光头证明了该模型补偿热透镜的有效性。在理论上和实验上还比较了两种不同的注入锁定激光器的有源频率稳定方案。这些努力产生了通过外差检测测得的24 W线性极化连续波TEM_(00)输出,其光谱线宽为1.5 Hz。

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