LD-pumped passively Q-switched Nd:YVO4/YVO4 laser with an Nd3+:Cr4+:YAG saturable absorber |
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| Authors: | J An Sh Zhao G Li K Yang D Li J Wang M Li |
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| Institution: | (1) School of Information Science and Engineering, Shandong University, Jinan, 250100, China |
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| Abstract: | By using a piece of codoped Nd3+:Cr4+:YAG crystal as a saturable absorber, a laser-diode pumped passively Q-switched Nd:YVO4/YVO4 laser has been realized. The maximum laser output power of 2.452 W has been obtained at the incident pump power of 8.9 W for an 8.8% transmission of the output coupler at 1064 nm, corresponding to a slope efficiency of 30%. The other output laser characteristics of the laser have also been investigated. The laser with a Nd3+:Cr4+:YAG saturable absorber has a lower threshold pump power and a higher slope efficiency compared to that with a similar small-signal transmission of a Cr4+:YAG saturable absorber. |
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