| Investigation of near-collinear degenerated quasi-phase matching optical parametric amplification using PPKTP crystal |
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| 作者姓名： | 赵保真 梁晓燕 冷雨欣 王乘 杜鹃 张正泉 徐至展 |
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| 作者单位： | Shanghai Institute of Optics and Fine Mechanics，Shanghai Institute of Optics and Fine Mechanics，Shanghai Institute of Optics and Fine Mechanics，Shanghai Institute of Optics and Fine Mechanics，Shanghai Institute of Optics and Fine Mechanics，Shanghai Institute of Optics and Fine Mechanics，Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences，Shanghai 201800，Chinese Academy of Sciences，Shanghai 201800，Chinese Academy of Sciences，Shanghai 201800，Chinese Academy of Sciences，Shanghai 201800，Chinese Academy of Sciences，Shanghai 201800，Chinese Academy of Sciences，Shanghai 201800，Chinese Academy of Sciences，Shanghai 201800 |
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| 摘 要： | The gain properties of near-collinear degenerated phase-matched optical parametric amplification (OPA) using PPKTP crystal are investigated theoretically. The results indicate that the type-0 phase matching of PPKTP has larger accepted angle and better gain spectrum by tuning crystal temperature or rotating crystal angle.
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