Chinese Optics Letters, Volume. 4, Issue 3, 03175(2006)
Diode-pumped CW Tm:GdVO4 laser at 1.9 um
A high power cryogenic cooling Tm-doped (2%) GdVO4 laser double-end-pumped by fiber-coupled-diode with the center wavelength of 804.5 nm at 21 Celsius degree is reported. The highest continuous-wave (CW) power of 2.35 W at 1903 nm is attained at pump power of 24 W. The slope efficiency is 12.5% and the threshold is 3.2 W. Single- and double-end-pumped types are investigated.
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Yufeng Li, Baoquan Yao, Yuezhu Wang, "Diode-pumped CW Tm:GdVO4 laser at 1.9 um," Chin. Opt. Lett. 4, 03175 (2006)