Efficient continuous-wave 908 nm Nd:YLF laser emission under direct 880 nm pumping |
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Authors: | W Liang X H Zhang Z L Liang Y Q Liu Z Liang |
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Institution: | 1.School of Science,Changchun University of Science and Technology,Changchun,China |
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Abstract: | The quasi-three-level 908-nm continuous-wave laser emission under direct diode laser pumping at 880 nm into emitting level
4
F
3/2 of Nd:YLF have been demonstrated. An end-pumped Nd:YLF crystal yielded 4.7 W of output power for 11.8 W of absorbed pump
power. The slope efficiency with respect to the absorbed pump power was 43.3%. Comparative results obtained for the pump with
diode laser at 808 nm, into the highly-absorbing 4
F
5/2 level, are given in order to prove the advantages of the 880-nm wavelength pumping. |
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Keywords: | |
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