| BBO晶体中的级联二阶过程和三阶光学非线性效应 |
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| 引用本文： | 檀慧明 Banfi,GP. BBO晶体中的级联二阶过程和三阶光学非线性效应[J]. 光学精密工程, 1994, 2(6): 7-17 |
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| 作者姓名： | 檀慧明 Banfi GP |
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| 作者单位： | 中国科学院长春光学精密机械研究所 |
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| 摘 要： | 本文讨论了非线性光学晶体中的级联二阶过程。在小信号转换近似下,这一过程被公式化,由三阶非线性极化率表示。作为比较,用自位相调制和光学混频方法,研究了BBO晶体的级联二阶过程。发现由于这一过程的存在,该晶体的三阶非线性被明显增加,极化率达10-19m2/V2.
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| 关 键 词： | 非线性光学 BBO晶体 级联二阶过程 三阶非线性 |
| 收稿时间： | 1994-04-15 |
Cascaded Second-Order Processes and Third Order Optical Nonlinear Effects in BBO Crystal |
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| Tan Huiming. Cascaded Second-Order Processes and Third Order Optical Nonlinear Effects in BBO Crystal[J]. Optics and Precision Engineering, 1994, 2(6): 7-17 |
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| Authors: | Tan Huiming |
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| Affiliation: | 1. Changchun Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Changchun 130021;2. University of Pavia, Italy |
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| Abstract: | The cascaded second-order proceses in nonlinear optical crystals is discussed.In smallsignal conversion condition,the processes are formularized by third order susceptibilities.Weresearched the cascaded second-order processes in BBO crystal with self-phase modulationand optical frequency mixing experiments.We found that since cascaded second-order pro-cesses, the third order nonlinearity is enhanced evidently and the susceptibility is about 10-19m2/V2. |
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| Keywords: | Nonlinear optics BBO crystal Cascaded second-order Processes Third-order nonlinerarity. |
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