Abstract
Nd3+ doped SrWO4 single crystal with a dimension of ϕ 30 mm×80 mm and a good optical quality was grown by Czochralski method. The refractive indices in a function of wavelength and the principal coefficient of thermal expansion were precisely measured. The three principal coefficients of thermal expansion along (001), (010), (100) are 2.39×10-5 °C-1, 1.09×10-5 °C-1, and 0.97×10-5 °C-1, respectively. In the framework of the Judd–Ofelt theory, the intensity parameters, radiative probabilities, radiative branching ratios and radiative lifetime were calculated. We also present end-pumped self-stimulated Raman scattering in the two laser channels 4F3/2→4I11/2 and 4F3/2→4I13/2 to generate 1.18 and 1.52 μm Self-stimulated Raman scattering radiations, the latter being close to the eye-safe domain. This material is a potential material for eye-safe Raman lasers.
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78.55.Hx; 42.70.Hj
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Jia, G., Tu, C., Brenier, A. et al. Thermal and optical properties of Nd3+:SrWO4: a potential candidate for eye-safe 1.517 μm Raman lasers. Appl. Phys. B 81, 627–632 (2005). https://doi.org/10.1007/s00340-005-1946-7
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DOI: https://doi.org/10.1007/s00340-005-1946-7