Diode-end-pumped Nd:YVO4/LBO lasers with 4.2W continuous-wave output at 457 nm |
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Authors: | Pei-feng Wang Zhao-hui Shi Jing Zhang Gang Niu Jian-feng Cui and Zhongwei Fan |
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Affiliation: | (1) Changchun Institute of Optics, Fine Mechanics and Physics, Changchun, 130033, China;(2) Graduate School of the Chinese Academy of Sciences, Beijing, 100081, China;(3) Beijing GK Laser Technology Co., Ltd, Beijing, 100085, China |
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Abstract: | A continuous-wave (CW) 457 nm blue laser operating at the power of 4.2 W is demonstrated by using a fiber coupled laser diode
module pumped Nd: YVO4 and using LBO as the intra-cavity SHG crystal. With the optimization of laser cavity and crystal parameters, the laser operates
at a very high efficiency. When the pumping power is about 31 W, the output at 457 nm reaches 4.2 W, and the optical to optical
conversion efficiency is about 13.5% accordingly. The stability of the output power is better than 1.2% for 8 h continuously
working. |
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Keywords: | CLC numbers" target="_blank">CLC numbers TN248 1 |
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