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Highly efficient continuous-wave 912 nm Nd:GdVO4 laser emission under direct 880 nm pumping

✍ Scribed by Y.F. Lü; X.H. Zhang; J. Xia; A.F. Zhang; X.D. Yin; L. Bao

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
105 KB
Volume
6
Category
Article
ISSN
1612-2011

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✦ Synopsis

The quasi-three-level 912 nm continuous-wave laser emission under direct diode laser pumping at 880 nm into emitting level 4 F 3/2 of Nd:GdVO 4 have been demonstrated. An endpumped Nd:GdVO 4 crystal yielded 8.1 W of output power for 13.9 W of absorbed pump power. The slope efficiency with respect to the absorbed pump power was 0.679. To the best of our knowledge this is the first demonstration of such a laser system. 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.

Heat generation, W

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