| 克尔型光学格子中的光束传输 |
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| 引用本文： | 李华刚.克尔型光学格子中的光束传输[J].广东教育学院学报,2009,29(3):56-58. |
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| 作者姓名： | 李华刚 |
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| 作者单位： | 广东教育学院物理系,广东,广州,510303
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| 摘 要： | 推导具有横向和纵向折射率周期性调制的克尔型非线性介质光学格子中的光束传输方程，通过数值模拟发现了一个有趣的现象：适当的调制周期使光束分裂成两束斜向传输的光束，并且调制周期过大或过小都不能产生这个现象．此现象对光学格子的研究有一定的参考价值．
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| 关 键 词： | 非线性光学 非线性折射率 自相位调制效应 自聚焦介质 光学格子 |
The Propagation of Beam in the Kerr Optical Lattices |
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| LI Hua-gang.The Propagation of Beam in the Kerr Optical Lattices[J].Journal of Guangdong Education Institute,2009,29(3):56-58. |
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| Authors: | LI Hua-gang |
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| Institution: | LI Hua-gang (Dept. of Physics, Guangdong Education Institute, Guangzhou, Guangdong, 510303, P. R. China) |
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| Abstract: | In the paper, the beam propagates in the optical nonlinear refractive coefficient in transverse and longitudinal varied. beam can split into two soliton-like beams in the proper periods that The findings are significant to the research of optical lattices. lattices are discussed. Our numerical results We make the show that, the can neither be too long nor too short. |
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| Keywords: | nonlinear optics nonlinear refractive coefficient self-phase modulation effect self- focusing medium optical lattices |
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