Spectra analysis of Yb: Y3Al5O12 crystals with different Yb doping concentration | Zendy

Xiaodan Wang | Zendy; Zhao Zhiwei | Zendy; XU Xiao-dong | Zendy; Pingxin Song | Zendy; Benxue Jiang | Zendy; Xu Jun | Zendy; Peizhen Deng | Zendy

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Spectra analysis of Yb: Y3Al5O12 crystals with different Yb doping concentration

Author(s) -

Xiaodan Wang,

Zhao Zhiwei,

XU Xiao-dong,

Pingxin Song,

Benxue Jiang,

Xu Jun,

Peizhen Deng

Publication year - 2006

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.55.4358

Subject(s) - doping , materials science , ytterbium , fluorescence , absorption (acoustics) , analytical chemistry (journal) , absorption spectroscopy , attenuation coefficient , spectral line , optics , optoelectronics , chemistry , physics , chromatography , astronomy , composite material

YbY3Al5O12(Yb:YAG) single crystals with Yb3+ doping level of 5.4at%, 16.3at%, 27.1at%, 53.6at%, and 100at% were grown by the Czochralski method. The effects of different Yb3+ doping level on the absorption spectra and fluorescence spectra were studied. The results showed that the real absorption coefficient of the absorption peaks increases linearly with the increasing of Yb3+ doping level in Yb:YAG crystals. Absorption band oscillator strengths of YbYAG crystals were calculated with Smakula formula and the effects of different Yb3+ doping level on the oscillator strengths were also studied. The concentration quenching of fluorescence was observed when the Yb3+ doping level reached 27.1at% in Yb:YAG crystals. The shape of fluorescence spectra of Yb:YAG could be significantly influenced when the Yb3+ doping level is higher than 53.6at%.

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