✦ LIBER ✦

Diode-pumped CW frequency-doubled Nd:GSAG-LBO blue laser at 471 nm

✍ Scribed by Y.L. Li; H.L. Jiang; T.Y. Ni; T.Y. Zhang; Z.H. Tao; Y.H. Zeng

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 208 KB
Volume: 8
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.201010118

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✦ Synopsis

We describe the output performances of the 942 nm 4 F 3/2 → 4 I 9/2 transition in Nd:GSAG under diode-laser pumping. An end-pumped Nd:GSAG crystal yielded 3.7 W of continuous-wave output power for 17.8 W of absorbed pump power. The slope efficiency with respect to the absorbed pump power was 23.4%. Furthermore, with 17.8 W of diode pump power and the frequency-doubling crystal LiB 3 O 5 (LBO), a maximum output power of 572 mW in the blue spectral range at 471 nm has been achieved, corresponding to an optical-tooptical conversion efficiency of 3.2%; the output power stability over 4 h is better than 4.1%. Output power at 942 nm, W 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0 0.

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