| 白光干涉法测量光纤布喇格光栅反射谱 |
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| 引用本文： | 李国水,李青,陈哲敏.白光干涉法测量光纤布喇格光栅反射谱[J].激光技术,2013,37(1):20-23. |
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| 作者姓名： | 李国水 李青 陈哲敏 |
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| 作者单位： | 1.中国计量学院机械与电子工程学院, 杭州 310018; |
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| 基金项目： | 国家质检总局科技计划资助项目，国家科技支撑计划资助项目 |
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| 摘 要： | 为了实现光纤布喇格光栅反射谱的低成本测量,采用白光干涉技术搭建了一套结构简单的反射谱测量装置,利用该装置进行了实验,对所采集的干涉信号进行了数据处理,获得了光纤布喇格光栅的反射谱,光谱分辨率达到3pm,并对所测反射谱的光谱分辨率进行了理论分析.结果表明,利用该装置测得的反射谱具有良好的光谱分辨率,通过增加测量量程可以进一步提高光谱分辨率.
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| 关 键 词： | 衍射与光栅 光纤布喇格光栅 反射谱 白光干涉 相位重构 |
| 收稿时间： | 2012-05-15 |
| 修稿时间： | 2012-06-04 |
Measurement of FBG reflection spectra by white light interferometry |
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| LI Guo-shui
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LI Qing
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CHEN Zhe-min.Measurement of FBG reflection spectra by white light interferometry[J].Laser Technology,2013,37(1):20-23. |
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| Authors: | LI Guo-shui LI Qing CHEN Zhe-min |
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| Affiliation: | 1.College of Mechanical and Electronic Engineering,China Jiliang University,Hangzhou 310018,China;2.Zhejiang Institute of Metrology,Hangzhou 310013,China) |
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| Abstract: | In order to measure the reflection spectra of fiber Bragg gratings at low cost,a simple measurement system was established based on white light interferometry.After processing the sampled interferogram,the reflection spectra was obtained with the spectral resolution about 3pm.Theoretical analysis of spectral resolution was conducted.Experiments show that the system has a fine spectral resolution. |
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