| Experimental Identification and Study of Coloured Conical Emission in Quadratic Nonlinear Media |
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| 作者姓名： | 杨华 钱列加 傅喜泉 罗航 袁鹏 朱鹤元 |
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| 作者单位： | State Key Laboratory for Advanced Photonic Materials and Devices, Advanced Materials Laboratory, Department of Optical Science and Engineering, Fudan University, Shanghai 200433 |
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| 基金项目： | Supported the National Natural Science Foundation of China under Grant Nos 60538010 and 10576009, and the Science and Technology Commission of Shanghai under Grant Nos 05JC14005 and 05SG02. |
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| 摘 要： | We have explicitly identified coloured conical emission （CCE） and noncollinear optical parametric generation （OPC） by spectrum characterizations. With an experimental setup providing different pump pulse durations, CCE and noncollinear OPG are observed both alternatively and simultaneously. Comparisons between CCE and noncollinear OPC are studied. Accumulation behaviour of modulational instabilities is observed in our two-crystal cascaded configuration, which results in enhancement or depression of the CCE formation.
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| 关 键 词： | 实验研究 圆锥体 非线性 光发射 |
| 收稿时间： | 2007-3-16 |
| 修稿时间： | 2007-03-16 |
Experimental Identification and Study of Coloured Conical Emission in Quadratic Nonlinear Media |
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| YANG Hua,QIAN Lie-Jia,FU Xi-Quan,LUO Hang,YUAN Peng,ZHU He-Yuan.Experimental Identification and Study of Coloured Conical Emission in Quadratic Nonlinear Media[J].Chinese Physics Letters,2007,24(7):1945-1948. |
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| Authors: | YANG Hua QIAN Lie-Jia FU Xi-Quan LUO Hang YUAN Peng ZHU He-Yuan |
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| Affiliation: | State Key Laboratory for Advanced Photonic Materials and Devices, Advanced Materials Laboratory, Department of Optical Science and Engineering, Fudan University, Shanghai 200433 |
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| Abstract: | We have explicitly identified coloured conical emission (CCE) and noncollinear optical parametric generation (OPG) by spectrum characterizations. With an experimental setup providing different pump pulse durations, CCE and noncollinear OPG are observed both alternatively and simultaneously. Comparisons between CCE and noncollinear OPG are studied. Accumulation behaviour of modulational instabilities is observed in our two-crystal cascaded configuration, which results in enhancement or depression of the CCE formation. |
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| Keywords: | 42 65 Ky 42 65 Re |
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