Low quantum defect laser oscillation of a new mixed Yb_0009:Y_0575Gd_0416VO_4 crystal | Zendy

Junhai Liu | Zendy; Huaijin Zhang | Zendy; Xavier Mateos | Zendy; Wenjuan Han | Zendy; Valentin Petrov | Zendy; Jing Wang | Zendy

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Low quantum defect laser oscillation of a new mixed Yb_0009:Y_0575Gd_0416VO_4 crystal

Author(s) -

Junhai Liu,

Huaijin Zhang,

Xavier Mateos,

Wenjuan Han,

Valentin Petrov,

Jing Wang

Publication year - 2008

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.16.017729

Subject(s) - slope efficiency , oscillation (cell signaling) , optics , laser , materials science , wavelength , crystal (programming language) , vanadate , diode , quantum efficiency , optoelectronics , physics , fiber laser , chemistry , biochemistry , computer science , metallurgy , programming language

Spectroscopic properties and continuous-wave laser performance of a new Yb(0.009):Y(0.575)Gd(0.416)VO(4) mixed vanadate crystal are reported. Purely sigma-polarized laser oscillation at 1013-1009.5 nm, with quantum defect lower than 3%, is demonstrated at room temperature in free running mode under diode pumping, producing an output power of 1.55 W with optical-to-optical and slope efficiencies of 19% and 32%, respectively. At longer wavelengths where the pi-polarized oscillation exhibited higher gain, the output power reached 2.5 W, with a slope efficiency of 41%.

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