Efficient electro-optic Q-switched eye-safe optical parametric oscillator based on KTiAsO4 |
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| Authors: | K Zhong Y Y Wang D G Xu Y F Geng J L Wang P Wang and J Q Yao |
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| Institution: | (1) Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin, 130033, P.R. China;(2) Graduate School of Chinese Academy of Sciences, Beijing, 100039, P.R. China |
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| Abstract: | An efficient high-energy, high-peak-power eye-safe optical parametric oscillator (OPO) at 1536 nm based on a noncritically
phase-matched KTA crystal pumped by a quasi-cw diode side-pumped electro-optic Q-switched Nd:YAG laser is presented. The maximum
output energy is 74.9 mJ, corresponding to an optical-to-optical conversion efficiency of 12.14% and an electrical-to-optical
conversion efficiency of 4.73%. The pulse width (FWHM) is about 3.5 ns with a peak power of 21.4 MW. Moreover, the maximum
electrical-to-optical conversion efficiency and optical-to-optical conversion efficiency are up to 4.94% and 15.6%, respectively. |
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