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Impurity concentration and temperature dependence of the refractive indices of Er3+ doped ceramic Y2O3
A Joshi1, N D Haynes, D E Zelmon
1Dept. of Electrical Engineering, University of California Los Angeles, Los Angeles, California 90095, USA.
Abstract:
The refractive indices and thermo-optic coefficients for varying concentrations of Er3+ doped polycrystalline yttria were measured at a variety of wavelengths and temperatures. A Lorenz oscillator model was employed to model the room temperature indices and thermo-optic coefficients were calculated based on temperature dependent index measurements from 0.45 to 1.064 microns. Some consequences relating to thermal lensing are discussed.
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