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Pulse width adjustable Q-switched cavity dumped laser by rotating a quarter-wave plate and a Pockels cell

Ke Liu, Li-Jiao He, Yong Bo, Xiao-Jun Wang, Yu Shen, Zhao Liu, Lei Yuan, Qin-Jun Peng, Da-Fu Cui, and Zu-Yan Xu

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Abstract

A pulse width adjustable 1064 nm Q-switched cavity dumped Nd:YVO4 laser was realized for the first time, to the best of our knowledge, by rotating an intracavity quarter-wave plate (QWP) and a Pockels cell (PC). The pulse width adjustment range was 4.8–7.8 ns with a constant output power of 3.6 W, and it reached 4.8–13.5 ns for a lower output power of 1.3 W. The pulse width was dependent mostly on the rotating angle of the QWP and PC, but independent of the gain and pulse repetition rate.

© 2017 Optical Society of America

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