Efficient, resonantly pumped, room-temperature Er3+:GdVO4 laser |
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| Authors: | Ter-Gabrielyan N Fromzel V Ryba-Romanowski W Lukasiewicz T Dubinskii M |
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| Affiliation: | US Army Research Laboratory, Adelphi, Maryland 20783, USA. nikolay.e.tergabrielyan.civ@mail.mil |
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| Abstract: | We report an efficient room-temperature operation of a resonantly pumped Er3+:GdVO4 laser at 1598.5 nm. The maximum continuous wave (CW) output power of 3.5 W with slope efficiency of 56% was achieved with resonant pumping by an Er-fiber laser at 1538.6 nm. With pumping by a commercial laser diode bar stack, a quasi-CW (QCW) output of 7.7 W and maximum slope efficiency of ~53% versus absorbed pump power were obtained. This is believed to be the first resonantly (in-band) pumped, room-temperature Er3+:GdVO4 laser. |
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