| 非平衡光纤干涉仪臂差精确测量方法研究 |
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| 引用本文： | 于洋,王建飞,张学亮,孟洲. 非平衡光纤干涉仪臂差精确测量方法研究[J]. 光学仪器, 2011, 33(1): 1-5. DOI: 10.3969/j.issn.1005-5630.2011.01.001 |
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| 作者姓名： | 于洋 王建飞 张学亮 孟洲 |
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| 作者单位： | 国防科技大学,光电科学与工程学院,湖南,长沙,410073 |
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| 基金项目： | 新世纪优秀人才支持计划资助项目 |
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| 摘 要： | 为实现对光纤干涉仪臂差的精确测量,提出了一种采用基于F-P调谐滤波技术的光纤光栅解调系统来精确测量光纤干涉仪臂长差的方法.简要介绍了F-P调谐滤渡法的渡长解调原理,通过分析非平衡迈克尔逊干涉仪的工作原理,指出了输出干涉谱与臂差之间的关系,进而分析了光纤光栅解调仪对干涉仪臂差进行精确测量原理.实验表明该方法可以实现对干涉...
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| 关 键 词： | 光纤光栅 解调 干涉仪臂差 |
| 收稿时间： | 2010-07-25 |
Study of precise measurement of optical path difference of unbalanced optical fiber interferometer |
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| YU Yang,WANG Jianfei,ZHANG Xueliang and MENG Zhou. Study of precise measurement of optical path difference of unbalanced optical fiber interferometer[J]. Optical Instruments, 2011, 33(1): 1-5. DOI: 10.3969/j.issn.1005-5630.2011.01.001 |
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| Authors: | YU Yang WANG Jianfei ZHANG Xueliang MENG Zhou |
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| Affiliation: | (College of Optoelectronic Science and Technology,National University of Defense Technology.Changsha 410073,China) |
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| Abstract: | A precise measurement of optical path difference of optical fiber interferometer is proposed which is based on the fiber Bragg grating demodulation system using Fabry-Perot filtering technology.The principle of Fabry-Perot filtering technology is introduced.By analyzing the principle of unbalanced Michelson′s interferometer, the relationship of interferential spectrum and arm length differences are indicated, and the principle of precise measurement of arm length differences by fiber Bragg grating demodulation system are analyzed.The experiment demonstrates that the arm length differences can be measured with a accuracy of 2μm. |
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| Keywords: | fiber Bragg grating demodulation interferometer arm length differences |
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