Efficient Nd:YVO_4 laser in-band pumped by wavelength-locked 913.9-nm laser diode and Q-switch operation |
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Affiliation: | 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:YVO_4laser 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:YVO_4laser 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:YVO_4laser 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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Keywords: | in-band pumped Nd:YVO4 laser 1064 nm Q-switched |
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