Q-switched diode-pumped Nd:YVO4 laser with active fluorescence feedback control

Wenjie Xie; Yee Loy Lam; Yuen Chuen Chan; Siu Chung Tam; Jianhui Gu; Hongru Yang; Feng Zhou

doi:10.1117/12.368471

4 November 1999 Q-switched diode-pumped Nd:YVO4 laser with active fluorescence feedback control

Wenjie Xie, Yee Loy Lam, Yuen Chuen Chan, Siu Chung Tam, Jianhui Gu, Hongru Yang, Feng Zhou

Proceedings Volume 3898, Photonic Systems and Applications in Defense and Manufacturing; (1999) https://doi.org/10.1117/12.368471
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

Active feedback control has been implemented in a Q-switched diode-pumped Nd:YVO₄ laser by monitoring the fluorescence intensity from the laser crystal. When the initial inversion level indicated by the detected fluorescence has reached a predetermined value, Q-switching is initiated. The output Q pulse is stabler with our feedback scheme based on the fluorescence intensity than that with the conventional Q-switching when pumping source is not stable.

Citation Download Citation

Wenjie Xie, Yee Loy Lam, Yuen Chuen Chan, Siu Chung Tam, Jianhui Gu, Hongru Yang, and Feng Zhou "Q-switched diode-pumped Nd:YVO4 laser with active fluorescence feedback control", Proc. SPIE 3898, Photonic Systems and Applications in Defense and Manufacturing, (4 November 1999); https://doi.org/10.1117/12.368471

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