| 高斯切趾光纤Bragg光栅折射率传感器特性研究 |
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| 引用本文： | 罗彬彬. 高斯切趾光纤Bragg光栅折射率传感器特性研究[J]. 光电子．激光, 2011, 0(2): 201-206 |
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| 作者姓名： | 罗彬彬 |
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| 作者单位： | 成都电子科技大学光电信息学院;重庆理工大学电子信息工程系; |
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| 基金项目： | 国家自然科学基金资助项目(50876120); 重庆市自然科学基金资助项目(CSTC,2010BB2298) |
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| 摘 要： | 基于3层结构和双层结构光纤波导理论,对不同腐蚀深度的高斯切趾光纤Bragg光栅(H3G)的基模谐振波长与外部介质折射率(SRI)间的关系进行理论仿真,并通过实验研究其谐振波长、3 dB带宽及反射峰强度对SRI的响应特性.实验表明,随着SRI逐渐增大,基模谐振波长向长波方向的移动幅度越来越大,与仿真结果基本吻合;3 dB...
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| 关 键 词： | 光纤传感 折射率传感 光纤Bragg光栅(FBG) 高斯切趾 |
Study on characteristics of refractive index sensor based on Gaussian-apodized fiber Bragg gratings |
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| LUO Bin-bin. Study on characteristics of refractive index sensor based on Gaussian-apodized fiber Bragg gratings[J]. Journal of Optoelectronics·laser, 2011, 0(2): 201-206 |
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| Authors: | LUO Bin-bin |
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| Affiliation: | LUO Bin-bin1,2,ZHAO Ming-fu2,ZHOU Xiao-jun1,HUANG De-yi2,WANG Shao-fei2,SHI Xiao-hong2 (1.College of Optoelectronic Information,University of Electronic Science and Technology of China,Chengdu,610054,China,2.Department of Electronic Information Engineering,Chongqing University of Technology,Chongqing,400050,China) |
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| Abstract: | Based on the three-layer and double-layer optical fiber waveguide theory,the relation between the fundamental mode resonant wavelength of Gaussian-apodized FBG with different etching depths and the surrounding refractive index(SRI) is numerically analyzed,and experiments are carried out for the response characteristics of fundamental mode resonant wavelength,3 dB bandwidth,and reflection-peak intensity to the SRI.The experimental results show that,as the SRI increases,the movement of resonant wavelength to ... |
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| Keywords: | optical fiber sensing refractive index sensing fiber Bragg grating(FBG) Gaussian-apodized |
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