Spectroscopic properties and laser performance of resonantly-pumped cryo-cooled Er^3+:GdVO_4 | Zendy

N. Ter-Gabrielyan | Zendy; V. A. Fromzel | Zendy; W. RybaRomanowski | Zendy; T. Łukasiewicz | Zendy; Mark Dubinskii | Zendy

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Spectroscopic properties and laser performance of resonantly-pumped cryo-cooled Er^3+:GdVO_4

Author(s) -

N. Ter-Gabrielyan,

V. A. Fromzel,

W. RybaRomanowski,

T. Łukasiewicz,

Mark Dubinskii

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.006080

Subject(s) - materials science , slope efficiency , laser , optics , continuous wave , fiber laser , optoelectronics , diode , stack (abstract data type) , laser diode , bar (unit) , wavelength , physics , meteorology , computer science , programming language

We report a highly efficient cryo-cooled eye-safe laser operation of a resonantly-pumped (in-band) Er³⁺:GdVO₄ single crystal. The maximum continuous wave (CW) power of 10.3 W with 84% slope efficiency was achieved at 1598.7 with pumping at 1538.6 nm by a spectrally-narrowed Er-fiber laser. Under the 1529 nm resonant pumping by a commercially available diode bar stack operating in a quasi-CW (QCW) mode, the laser delivered 37 W of output power with 68% slope efficiency. This is believed to be the first reported cryo-cooled Er³⁺:GdVO₄ laser, resonantly-pumped into the ⁴I₁₅/₂ →⁴I₁₃/₂ transition.

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