| 聚合物光纤折射率分布的显微成像测量方法 |
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| 引用本文： | 马辉,周大程,明海,孙晓红,张永生,黄文财,谢建平. 聚合物光纤折射率分布的显微成像测量方法[J]. 光电工程, 2003, 30(5): 21-24 |
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| 作者姓名： | 马辉 周大程 明海 孙晓红 张永生 黄文财 谢建平 |
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| 作者单位： | 中国科学技术大学物理系,安徽,合肥,230026 |
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| 基金项目： | 中国科学院知识创新项目(KGCX2-202-02)，国家自然科学基金(90201013)，安徽省自然科学基金(03042402) |
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| 摘 要： | 结合多模聚合物光纤芯径粗(1mm)的特点,考虑传输损耗小的泄漏模式,对泄漏模修正理 论进行简化,并用简化的结果对显微成像法获得的光纤端面出射光强分布进行处理,恢复出其折射率分布,该方法的测量精度在10-3以上。
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| 关 键 词： | 折射率分布 折射率测量 显微成像 聚合物光纤 |
| 文章编号： | 1003-501X(2003)05-0021-03 |
| 收稿时间： | 2002-12-08 |
| 修稿时间： | 2002-12-08 |
Measurement for Refractive Index Distribution of Polymer Optical Fiber Based on Microscopic Image |
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| MA Hui,ZHOU Da-cheng,Ming Hai,SUN Xiao-hong ZHANG Yong-sheng,HUANG Wen-cai,XIE Jian-ping. Measurement for Refractive Index Distribution of Polymer Optical Fiber Based on Microscopic Image[J]. Opto-Electronic Engineering, 2003, 30(5): 21-24 |
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| Authors: | MA Hui ZHOU Da-cheng Ming Hai SUN Xiao-hong ZHANG Yong-sheng HUANG Wen-cai XIE Jian-ping |
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| Abstract: | Combining with the characteristics of multimode polymer optical fiber with large diameter (1mm) and taking account of the leakage mode with small transmission loss, a correction theory for leakage mode is simplified. The outgoing light intensity distribution from the optical fiber end face obtained with microscopic image is processed by the simplified correction theory and restored into its refractive index distribution. The measuring accuracy of this method is less than 10-3. |
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| Keywords: | Refractive index distribution Refractive index measurement Microscopic imaging Polymer optical fiber |
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