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Efficient Nd: YVO4 laser in-band pumped by wavelength-locked 913.9-nm laser diode and Q-switch operation |
Bin Li(李斌)1,3, Peng Lei(雷鹏)2, Bing Sun(孙冰)3, Yang-Bo Bai(白扬博)1 |
1 School of Electronics Information Engineering, Tianjin University of Technology, Tianjin 300384, China; 2 Shenyang Academy of Instrumentation Science Co., Ltd., Shenyang 110043, China; 3 Tianjin Maiman Laser Technology Co., Ltd., Tianjin 300111, China |
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Abstract An efficient 1064-nm Nd:YVO4 laser in-band pumped by a wavelength-locked laser diode (LD) at 913.9 nm was demonstrated. The maximum continuous wave (CW) output power of 23.4 W at 1064 nm was realized with the incident pump power of 40 W, corresponding to a total optical-to-optical efficiency of 58.5%. This is to the best of our knowledge the highest total optical-to-optical efficiency and output power of Nd:YVO4 laser in-band pumped by a 913.9-nm laser diode. The Q-switched operation of this laser was also investigated. Through a contrast experiment of pumping at 808 nm, the experimental results showed that an Nd:YVO4 laser in-band pumped by a wavelength-locked LD at 913.9 nm had excellent pulse stability and beam quality for high repetition rate Q-switching operation.
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Received: 19 July 2016
Revised: 20 October 2016
Accepted manuscript online:
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PACS:
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42.55.Xi
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(Diode-pumped lasers)
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42.60.Gd
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(Q-switching)
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42.60.By
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(Design of specific laser systems)
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42.60.Pk
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(Continuous operation)
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Fund: Project supported by Tianjin City High School Science & Technology Fund Planning Project (Grant No. 20140703). |
Corresponding Authors:
Bin Li
E-mail: hawkbaby@163.com
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Cite this article:
Bin Li(李斌), Peng Lei(雷鹏), Bing Sun(孙冰), Yang-Bo Bai(白扬博) Efficient Nd: YVO4 laser in-band pumped by wavelength-locked 913.9-nm laser diode and Q-switch operation 2017 Chin. Phys. B 26 024206
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