Steady-state Raman gain in visible and near-infrared waveband of SrWO4 and BaWO4 crystals
Author(s) -
Fang Zhang,
Qinghua Zhang,
Bo Wang,
Dawei Hu,
Haohai Yu,
Huaijin Zhang,
Zhengping Wang,
Xinguang Xu
Publication year - 2014
Publication title -
chinese optics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.617
H-Index - 37
ISSN - 1671-7694
DOI - 10.3788/col201412.121902
Subject(s) - optics , infrared , materials science , raman spectroscopy , optoelectronics , visible spectrum , physics
The steady-state stimulated Raman scattering (SRS) gain with different excitation wavelengths ranging from 400 to 1100 nm of tungstate crystals, SrWO4 and BaWO4, is systematically researched. As excitation frequency is close to electronic transition frequency, molecular polarizability is not a constant, which has to be taken into account in our work. The experiment and theory agree well with each other and show that SRS gain is not only proportional to Stokes light frequency, but is also inversely proportional to biquadratic excitation frequency.
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