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Fluorescence feedback control of a diode pumped solid state laser |
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| Authors: | Wenjie Xie Yee-Loy Lam Yuen-Chuen Chan Siu-Chung Tam Jianhui Gu Feng Zhou Hongru Yang Gang Zhao |
| Affiliation: | Photonics Research Group, School of Electrical and Electronic Engineering, Nanyang Technological University, Block S1, Photonics Lab 1, Nanyang Avenue, Singapore 639798, Singapore |
| Abstract: | We implement active feedback control 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 Q-switched pulse energy is stabler with our feedback scheme based on the fluorescence intensity than that with the conventional Q-switching when pumping source is not stable. |
| Keywords: | Fluorescence Feedback Q-switching Stability |
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