5 September 2002 Q-cw array LD-pumped Nd:YAG laser
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Abstract
A high power Q-CW array LD pumped Nd: YAG laser was successfully developed by building the model that Q-CW array LD pumped Nd: YAG laser. Using laser rate equation, the geometry formed by the pumping beam meeting laser beam in the resonant cavity was calculated out. In the experiment, two Q-CW array LDs were used. The average output power is 60w and the duty cycle is 20% each. The two Q-CW array LDs were placed along side ofNd: YAG bar at the angle 90°. The pumping beam enters Nd: YAG rod radial so as to fills in the whole medium uniformly, which not only decreases the threshold but increases the slope efficiency. By setting a pair of ? /4 wave plates in cavity steady single mode output can be obtained. Its average output power is 12w, the pulse width is 10-12ns, and the pulse frequency can be variable from 500Hz to 1000Hz.
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Guobin Ning, Guobin Ning, Zhu Ling, Zhu Ling, Guicai Song, Guicai Song, Guangyong Jin, Guangyong Jin, Xiaoyuan Yan, Xiaoyuan Yan, Zhong Ren, Zhong Ren, } "Q-cw array LD-pumped Nd:YAG laser", Proc. SPIE 4914, High-Power Lasers and Applications II, (5 September 2002); doi: 10.1117/12.481837; https://doi.org/10.1117/12.481837
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