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Tunable quasi-phase-matched optical parametric generator by translating a segmented crystal |
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| Authors: | Baigang Zhang Jianquan Yao Tieli Zhang Feng Ji Yang Lu Pu Zhao |
| Affiliation: | aCollege of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, PR China bCooperated Institute of Nankai University and Tianjin University, Tianjin 300072, PR China cKey Laboratory of Optoelectric Information Science and Technology, Ministry of Education, Tianjin University, Tianjin 300072, PR China |
| Abstract: | A simple way to realize a fast tunable quasi-phase-matched optical parametric generation without crystal rotation, temperature changing or multi-grating periodically poled crystal translation is presented. The key is to translate a segmented crystal which is stacked by a lithium niobate crystal with three teeth and a single grating periodically poled crystal. The signal wavelength is tunable near 1.55 μm with the signal power of 90 mW. |
| Keywords: | Quasi-phase-matching Segmented crystal Optical parametric generator |
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