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The Fabrication and SHG Test of QPM Periodically Poled KTiOPO4 |
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| Authors: | Mei Sang Jian Yu Wenjun Ni Ting Xue Shichen Li |
| Institution: | 1. College of science, 2 College of precision instrument and Optoelectronics Engineering, Tianjin 2. University, Key Laboratory of Opto-electronics Information and Technical Science, Ministry of Education, Tianjin, P.R.China |
| Abstract: | The Quasi-phase-matching periodically poled flux-grown KTP by high electrical field method is researched. A 8×5×1mm3, Λ=9.0μm PPKTP wafer is successfully fabricated for the first order QPM SHG. The interactive length of the sample is about 3mm. The SHG scheme of Nd:YAG at 1064nm tested that the output power of cw 532nm green light is 0.2mw at room temperature with fundamental power of 1.2w. The normalized conversion efficiency is about 0.09% (W·cm)-1. |
| Keywords: | Quasi phase-matching (QPM) periodically poled KTiOPO4 (PPKTP) wavelengthconversion nonlinear device Second harmonic generation (SHG) |
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