Laser diode and pumped Cr:Yag passively Q-switched yellow-green laser at 543 nm |
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Authors: | Y. Yao Zhao Ling B. Li D. P. Qu K. Zhou Y. B. Zhang Y. Zhao Q. Zheng |
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Affiliation: | 191. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun Jilin, 130033, China 291. Changchun New Industries Optoelectronics Tech. Co., Ltd., Changchun, 130012, China
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Abstract: | Efficient and compact yellow green pulsed laser output at 543 nm is generated by frequency doubling of a passively Q-switched end diode-pumped Nd:YVO4 laser at 1086 nm under the condition of sup-pressing the higher gain transition near 1064 nm. With 15 W of diode pump power and the frequency doubling crystal LBO, as high as 1.58 W output power at 543 nm is achieved. The optical to optical conversion efficiency from the corresponding Q-switched fundamental output to the yellow green output is 49%. The peak power of the Q-switched yellow green pulse laser is up to 30 kW with 5 ns pulse duration. The output power stability over 8 hours is better than 2.56% at the maximum output power. To the best of our knowledge, this is the highest watt-level laser at 543 nm generated by frequency doubling of a passively Q-switched end diode pumped Nd:YVO4 laser at 1086 nm. |
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