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三维自散焦介质中由交叉相位调制效应引发的光束聚焦 被引量：7

Focusing of Optical Beams Induced by Cross-phase Modulation in Three-dimensional Self-defocusing Nonlinear Media
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摘要 初步研究了三维自散焦介质中由交叉相位调制效应引发的光束聚焦 ,详细分析了信号光在不同抽运光输入振幅时的演化过程。分析结果表明 ,当抽运光输入振幅超过临界抽运光输入振幅时 ,信号光出现聚焦且信号光束面在演化过程中由圆形逐渐演化为弯月形。 The preliminary understanding is obtained about the focusing of optical beams induced by cross-phase modulation in three-dimensional self-defocusing nonlinear media. When the input amplitude of pump beam exceeds the critical amplitude, the probe beam begins to focus, and its spot size gradually becomes a crescent moon shaped.
作者 李华刚 郭旗
机构地区 华南师范大学量子电子学研究所
出处 《中国激光》 EI CAS CSCD 北大核心 2003年第2期123-128,共6页 Chinese Journal of Lasers
基金 广东省自然科学基金 (No .0 114 5 5 ) 高等学校骨干教师资助计划 国家自然科学基金 (No .196 74 0 15 ) 广东省"千百十工程"优秀人才培养基金资助项目
关键词 非线性光学 光束聚焦 交叉相位调制效应 非线性折射率系数 自散焦介质 Light transmission Nonlinear optics Numerical analysis Phase modulation Refractive index Three dimensional
分类号 O437 [机械工程—光学工程]
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参考文献10

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同被引文献71

  • 1李华刚,郭旗.三维自散焦介质中光束聚焦的最佳参量选择[J].光学学报,2004,24(7):937-940. 被引量：2
  • 2李华刚,郭旗.椭圆高斯光束在自散焦介质中的诱导聚焦[J].光学学报,2005,25(4):520-524. 被引量：3
  • 3Porras M A, Medina R. Entropy-based definition of laser beam spot size. Appl. Opt. , 1995, 34(36):8247-8251.
  • 4Hickmann J M, Gomes A S L, Araujo C. Observation of spatical cross-phase modulation effects in a self-defocusing nonlinear medium. Phys. Re-. Lett , 1992,68(24) :3547-3550.
  • 5Stentz A J, Kauranen M, Maki J J tt al.. Induced focusing and spatial wave breaking from cross-phase modulation in a self-defocusing medium. Opt. Lett , 1992, 17(1):19-21.
  • 6Pietrzyk M E. On the properties of two pulses propagating simultaneously in different dispersion regimes in a nonlinear planar waveguide. J. Opt. (A): Pure Appl.Opt , 1999, 1(6):685-696.
  • 7Misra R M, Banerjee P P. Theoretical and experimental studies of pump-induced probe deflection in a thermal medium. Appl. Opt , 1995, 34(18):3358-3366.
  • 8Dinev S G, Dreischuh A A, Ivanova I M. Induced deflection of optical beams in an off-axis geometry. J.Mod. Opt , 1992, 39(4):667-671.
  • 9Dinev S G, Dreischuh A A, Naidenov A M. Induced waveguiding in a medium with cubic nonlinearity. J. Opt.Soc. Am (B), 1991, 8(10)..2128-2131.
  • 10Agrawal G P. Transverse modulation instability of copropagating optical beams in nonlinear Kerr media. J.Opt. Soc. Am (B), 1990, 7(6):1072-1078.

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二级引证文献5

中国激光
2003年 第2期

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