| GRIN介质用于面内位移的测量 |
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| 引用本文： | 何小元,於文雪,张抱和. GRIN介质用于面内位移的测量[J]. 实验力学, 1999, 14(1) |
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| 作者姓名： | 何小元 於文雪 张抱和 |
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| 作者单位： | 东南大学 |
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| 摘 要： | 本文把梯度折射率（ＧＲＬＮ）介质的面内位移与其折射率梯度联系起来，对面内位移导致的折射率变化进行研究，介绍了ＧＲＩＮ介质用于面内位移测量的基本原理，给出了双光束干涉法测量悬臂梁挠度的实验方法和实验结果
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| 关 键 词： | GRIN介质 面内位移 双光束干涉法 |
Application of GRIN Media in Measuring In plane Displacement |
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| HE Xiaoyuan YU Wenxue ZHANG Baohe. Application of GRIN Media in Measuring In plane Displacement[J]. Journal of Experimental Mechanics, 1999, 14(1) |
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| Authors: | HE Xiaoyuan YU Wenxue ZHANG Baohe |
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| Abstract: | In this paper, the connection between the gradient refractive index of GRIN media and its in plane displacement is established. So, by studying the variation in the refractive index of GRIN media, its in plane displacement which causes this variation can be deduced. An experiment for measuring the deflection of a cantilever beam based on this principle and by using double ray interferance method is reported. |
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| Keywords: | GRIN media in plane displacement double ray interferance method |
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