| 测光纤预制棒折率射分布的光束偏折法的改进 |
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| 引用本文： | 廖延彪,田芊,吴庚生.测光纤预制棒折率射分布的光束偏折法的改进[J].应用科学学报,1985,3(2):128-132. |
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| 作者姓名： | 廖延彪 田芊 吴庚生 |
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| 作者单位： | 清华大学 |
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| 摘 要： | 本文报道了一种改进的光束偏折法(非破坏性测量光纤预制棒折射率分布的方法).从准确匹配浸油改为近似匹配浸油,同时减小了入射光束的直径.实验表明此法结果可靠,节省时间,分辨率亦有所提高.
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| 收稿时间： | 1982-03-29 |
| 修稿时间： | 1983-06-18 |
THE MODIFICATION OF BEAM DEFLECTIVE METHOD FOR MEASURING REFRACTIVE INDEX PROFILE OF A FIBER PREFORM |
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| LIAO YKNBIAO,TIAN QIAN,WU GENGSHENG.THE MODIFICATION OF BEAM DEFLECTIVE METHOD FOR MEASURING REFRACTIVE INDEX PROFILE OF A FIBER PREFORM[J].Journal of Applied Sciences,1985,3(2):128-132. |
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| Authors: | LIAO YKNBIAO TIAN QIAN WU GENGSHENG |
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| Institution: | Qinghua University |
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| Abstract: | In this paper, a modificatory beam deflective method, a method for nondestructive measurement of refractive index profile of a fiber preform, is described. Near matching fluid instead of accurate matching fluid is used in this method, the diameter of incident beam used being reduced at the same time. The experiments show that the measurement results are reliable. The measuring time can be saved and the accuracy promoted. |
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