| 光纤Bragg光栅横向负载敏感特性的实验研究 |
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| 引用本文： | 梁明,钱景仁.光纤Bragg光栅横向负载敏感特性的实验研究[J].中国科学技术大学学报,2004,34(1):50-54. |
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| 作者姓名： | 梁明 钱景仁 |
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| 作者单位： | 中国科学技术大学电子工程与信息科学系,安徽,合肥,230027 |
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| 摘 要： | 对光纤Bragg光栅的横向负载敏感特性进行了实验研究 .利用光纤中的应力双折射效应 ,使光纤光栅横向受压 ,产生谐振波长分裂 .通过实验研究得到了良好的谐振波长分裂与横向负载的关系曲线 ;在此基础上 ,进行了波长寻址的多点横向负载分布测量的初步探索 ,完成了两光栅同时传感的实验研究 .
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| 关 键 词： | 光纤光栅 横向负载 应力双折射 谐振波长分裂 多点分布传感 |
| 文章编号： | 0253-2778(2004)01-0050-05 |
| 修稿时间： | 2003年1月9日 |
An Experimental Investigation of Fiber Bragg Grating Transverse Load Sensitivity |
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| LIANG Ming,QIAN Jing ren.An Experimental Investigation of Fiber Bragg Grating Transverse Load Sensitivity[J].Journal of University of Science and Technology of China,2004,34(1):50-54. |
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| Authors: | LIANG Ming QIAN Jing ren |
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| Abstract: | The transverse load sensitivity of fiber Bragg grating (FBG) is investigated experimentally. The Bragg wavelength of FBG separates under transverse loading because of the stress induced birefringence of fibers. A linear relationship between wavelength separation of FBG and transverse loading is obtained experimentally. A multi point distribute transverse load sensing by means of wavelength addressing is also investigated with an experiment of two grating simultaneous sensing. |
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| Keywords: | fiber Bragg grating transverse load stress induced birefringence resonance wavelength separation multi point distribute sensing |
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