[1]亓红群,蒲继雄,刘永欣,等.高斯-谢尔模型光束通过非线性介质后的光强分布[J].华侨大学学报(自然科学版),2008,29(3):353-356.[doi:10.11830/ISSN.1000-5013.2008.03.0353]
　QI Hong-qun,PU Ji-xiong,LIU Yong-xin,et al.The Intensity Distribution of GSM Beam Transmitted Through Thin Nonlinear Medium[J].Journal of Huaqiao University(Natural Science),2008,29(3):353-356.[doi:10.11830/ISSN.1000-5013.2008.03.0353]
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高斯-谢尔模型光束通过非线性介质后的光强分布()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第29卷
期数:
2008年第3期
页码:
353-356
栏目:
出版日期:
2008-07-20

文章信息/Info

Title:
The Intensity Distribution of GSM Beam Transmitted Through Thin Nonlinear Medium
文章编号:
1000-5013(2008)03-0353-04
作者:
亓红群; 蒲继雄; 刘永欣; 石丽芬
华侨大学信息科学与工程学院; 华侨大学信息科学与工程学院 福建泉州362021; 福建泉州362021
Author(s):
QI Hong-qun;  PU Ji-xiong;  LIU Yong-xin;  SHI Li-fen
College of Information Science and Engineering, Huaqiao University, Quanzhou 362021, China
关键词:
部分相干光;  相干度;  Z扫描;  高斯-谢尔光束;  附加相移
Keywords:
partially coherent beam;  degree of coherence;  Z-scan;  Gaussian Schell-model beam;  additive phase shift
分类号:
O436.1
DOI:
10.11830/ISSN.1000-5013.2008.03.0353
文献标志码:
A
摘要:
根据高斯-谢尔模型光束在自由空间中传输的特性,研究它在穿过非线性介质后的衍射光强.数值模拟表明,穿过非线性介质后,高斯-谢尔光束的光强变化受到光束的相干度和通过非线性介质后产生的附加相移的共同影响.对应于同样的部分相干光,相同的条件下大的附加相移能够增强相干度对光强的影响,使光强曲线发生明显的波动; 对应于确定的附加相移,相干度大的光束光强曲线变化更为明显.随着传输距离的增大,不同附加相移的光束光强大小发生变动,附加相移最小的光束光强最后将大于附加相移最大的光束光强.
Abstract:
Based on the character of the Gaussian Schell-model(GSM) beam′s transmission in free space,the paper analyzed the intensity after the GSM beam through the nonlinear medium.Numerical simulation shows that both the degree of coherence and additive phase shift influence the intensity.For the same partially coherent beam the influence of the coherence degree to intensity increases with the increment of additive phase shift.With a certain additive phase shift the curve of intensity changes obviously when the beam has a larger degree of coherence.The intensity of GSM beam with different additive phase shift changes along with the increment of transmission distance,and finally the intensity of GSM beam with a smaller additive phase shift exceeds the larger one.

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金资助项目(60477041); 福建省自然科学基金资助项目(A0510018)
更新日期/Last Update: 2014-03-23