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Parametric oscillation at 2.1 μm in periodically poled RbTiOAsO4 |
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| Authors: | Saumyabrata Banerjee Nobuhiro Umemura |
| Institution: | a Faculty of Photonics Sciences, Department of Photonic Devices, Chitose Institute of Science and Technology, Bibi, Chitose, Hokkaido 758-65, Japan b Second Research Center, Japan Defense Agency, Ikejiri 1-2-24 Setagaya, Tokyo 154-8511, Japan |
| Abstract: | An Nd:YAG laser-pumped periodically poled RbTiOAsO4 (PPRTA) optical parametric oscillator (OPO) near degeneracy is reported. At a pump power of 3.7 W, a net conversion efficiency of 43% was obtained. These crystals were found to be phase-matchable for the higher order quasi-phase-matched second-harmonic generation (SHG) in the visible range. Detailed analyses of the phase-matching properties for these processes were made by using the published Sellmeier and thermo-optic dispersion formulas. |
| Keywords: | Optical parametric oscillator Sellmeier equations Thermo-optic dispersion formulas |
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