| 平面波导衍射特性分析 |
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| 引用本文： | 郭福源,林斌,陈钰清,王科,文学金.平面波导衍射特性分析[J].光学学报,2002,22(12):513-1517. |
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| 作者姓名： | 郭福源 林斌 陈钰清 王科 文学金 |
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| 作者单位： | 1. 浙江大学光电系,现代光学仪器国家重点实验室,国家光学仪器工程技术研究中心,杭州,310027;福建师范大学物理系激光研究所,福州,350007
2. 浙江大学光电系,现代光学仪器国家重点实验室,国家光学仪器工程技术研究中心,杭州,310027 |
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| 基金项目： | 浙江省自然科学基金(601133) |
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| 摘 要： | 从电磁波的瑞利－索末菲标量衍射积分公式出发，利用罗兰圆结构特殊的光学性能，在平面坐标系中简化标量衍射积分公式，推导出横截面折射率阶跃分布的平面波导端口衍射场分布的计算公式，并导出常用的对称结构介质平面波导和金属平面波导端口衍射场的空间频谱，阐明平面波导端口衍射场就是驻波衍射场的本质。
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| 关 键 词： | 衍射特性 平面波导 空间频谱 光学性能 波导端口 输出特性 波导光栅 |
| 收稿时间： | 2002/3/25 |
Characteristic Analysis of Diffraction from Planar Waveguide |
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| Guo Fuyuan Lin Bin Chen Yuqing Wang Ke Wen Xuejin ,Chinese National Engineering & Technology Research Centre for Optical Instrument,State Key Lab of Modern
Optical Instrumentation.Characteristic Analysis of Diffraction from Planar Waveguide[J].Acta Optica Sinica,2002,22(12):513-1517. |
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| Authors: | Guo Fuyuan Lin Bin Chen Yuqing Wang Ke Wen Xuejin Chinese National Engineering & Technology Research Centre for Optical Instrument State Key Lab of Modern
Optical Instrumentation |
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| Institution: | Guo Fuyuan Lin Bin Chen Yuqing Wang Ke Wen Xuejin 1),Chinese National Engineering & Technology Research Centre for Optical Instrument,State Key Lab of Modern
Optical Instrumentation,Department of Optical Engineering,Zhejiang University,Hangzhou 310027 2),Institute of Laser,Department of Physics,Fujian Teachers University,Fuzhou 350007 |
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| Abstract: | Based on the unique optical performance of the Rowland circle, the Rayleigh-Sommerfeld diffraction scalar integral formula of electromagnetic wave is simplified in planar coordinate system. The calculable formula of diffractive field distribution from step refractive index planar waveguide is derived. The frequency spectrums of dielectric and metal cladding waveguide are deduced. It is demonstrated that the nature of planar waveguide diffractive field is a standing wave diffractive field. |
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| Keywords: | planar waveguide diffraction frequency spectrum |
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