Single-mode near-infrared optical parametric oscillator amplifier based on periodically poled KTiOPO4 |
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| Authors: | Baxter G W Schlup P McKinnie I T Hellström J Laurell F |
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| Affiliation: | Department of Physics, University of Otago, P.O. Box 56, Dunedin, New Zealand. |
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| Abstract: | A singly resonant, single-axial-mode, optical parametric oscillator (OPO) based on periodically poled KTiOPO(4) (PPKTP) is reported. Signal (1.68 mum) and idler (2.90 mum) optical bandwidths have been narrowed to <400 MHz by use of a diffraction grating at grazing incidence. The OPO generates 370 muJ of signal radiation when pumped by 3.1 mJ of 1.064-mum radiation. We implemented a single-pass PPKTP amplifier to yield 2.15-mJ signal and 1.17-mJ idler radiation without broadening the spectral bandwidths. |
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