Q-cw array LD-pumped Nd:YAG laser

Guobin Ning; Zhu Ling; Guicai Song; Guangyong Jin; Xiaoyuan Yan; Zhong Ren

doi:10.1117/12.481837

5 September 2002 Q-cw array LD-pumped Nd:YAG laser

Guobin Ning, Zhu Ling, Guicai Song, Guangyong Jin, Xiaoyuan Yan, Zhong Ren

Proceedings Volume 4914, High-Power Lasers and Applications II; (2002) https://doi.org/10.1117/12.481837
Event: Photonics Asia, 2002, Shanghai, China

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.

Citation Download Citation

Guobin Ning, Zhu Ling, Guicai Song, Guangyong Jin, Xiaoyuan Yan, and Zhong Ren "Q-cw array LD-pumped Nd:YAG laser", Proc. SPIE 4914, High-Power Lasers and Applications II, (5 September 2002); https://doi.org/10.1117/12.481837

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KEYWORDS

Neodymium

Nd:YAG lasers

YAG lasers

Crystals

Q switching

Electro optical modeling

Pulsed laser operation

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