| 折射率调制深度误差对切趾啁啾光纤光栅特性的影响 |
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| 引用本文： | 王朴,吕百达.折射率调制深度误差对切趾啁啾光纤光栅特性的影响[J].强激光与粒子束,2011,23(2):0. |
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| 作者姓名： | 王朴 吕百达 |
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| 作者单位： | 1.四川大学 物理科学与技术学院, 成都 61 0065; |
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| 基金项目： | 贵州省教育厅自然科学研究项目，毕节学院科学研究基金项目 |
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| 摘 要： | 从耦合模方程出发，用一种矩阵方法分析了折射率调制深度误差对切趾啁啾布拉格光纤光栅传输特性的影响。结果表明:折射率调制深度误差的分布频率越高，光栅传输特性受到的危害越小；误差平均幅值越高，光栅传输特性的劣化程度越大。因此，在光栅的制作过程中，应注意避免和减小高幅值误差，并注意减少低空间频率分布的误差。
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| 关 键 词： | 啁啾布拉格光纤光栅 随机误差 耦合模理论 切趾光栅 |
| 收稿时间： | 1900-01-01; |
Changes in degree of polarization of Hermite-Gaussian electromagnetic beams in Young's interference experiment |
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| Wang Pu,Lü Baida.Changes in degree of polarization of Hermite-Gaussian electromagnetic beams in Young's interference experiment[J].High Power Laser and Particle Beams,2011,23(2):0. |
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| Authors: | Wang Pu Lü Baida |
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| Affiliation: | 1.School of Physical Science and Technology,Sichuan University,Chengdu 610065,China;2.State Key Laboratory of Transient Optics and Photonics,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710119,China |
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| Abstract: | Based on the unified theory of coherence and polarization of stochastic electromagnetic beams and propagation law of the cross-spectral density matrix,and regarding Young's interference experiment as a double-slit diffraction phenomenon,changes in the degree of polarization of Hermite-Gaussian(H-G) electromagnetic beams in Young's interference experiment are studied in consideration of the finite width of the double slits,especially the effect of polarization,self-and cross-correlation lengths,mode order of... |
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| Keywords: | Hermite-Gaussian electromagnetic beam Young's interference experiment degree of polarization |
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