啁啾相位掩膜板的衍射特性研究 |
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引用本文: | 刘鸿娟,叶志清. 啁啾相位掩膜板的衍射特性研究[J]. 江西师范大学学报(自然科学版), 2003, 27(3): 210-212,244 |
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作者姓名: | 刘鸿娟 叶志清 |
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作者单位: | 江西师范大学,物理与通信电子学院,江西,南昌,330027;江西师范大学,物理与通信电子学院,江西,南昌,330027 |
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基金项目: | 江西省自然科学基金资助项目(021002). |
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摘 要: | 相位掩模制栅法是光纤光栅的一种重要的制作方法。而相位掩膜法的基本原理是紫外激光通过掩膜板后产生衍射条纹,使光敏光纤产生轴向折射率的变化,本文重点分析啁瞅相位掩膜板的衍射特性及板后的干涉光强分布以便指导设计符合光波分复用技术要求的光纤光栅产品。
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关 键 词: | 光纤光栅 相位掩膜板 光波分复用 光强分布 |
文章编号: | 1000-5862(2003)03-0210-03 |
Analysis of the Diffractive Characteristic of Chirped Phase Mask |
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Abstract: | Using phase mask to fabricate fiber gratings is a very important method. The basic principle of the phase mask method is that diffraction fringe appears when ultraviolet laser irradiates the phase mask, and it will change the refractive index at the Z direction of the photosensitive optical fiber. In this paper, the diffractive characteristic of chirped phase mask is analyzed; the intensity distribution of coherent pattern is also discussed. There results are valuable in the fabrication of the fiber grating. |
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Keywords: | fiber grating phase mask WDM intensity distribution. |
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