| 光纤Bragg光栅校准可调谐F-P滤波器解调系统的研究 |
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| 引用本文： | 乔学光,张磊,贾振安,高宏,马超.光纤Bragg光栅校准可调谐F-P滤波器解调系统的研究[J].传感器与微系统,2008,27(1):12-14. |
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| 作者姓名： | 乔学光 张磊 贾振安 高宏 马超 |
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| 作者单位： | 西安石油大学陕西省光电传感测井重点实验室,陕西,西安,710065 |
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| 基金项目： | 国家高技术研究发展计划(863计划)
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国家自然科学基金
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中国石油天然气集团公司应用基础研究计划
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陕西省教育厅产业化培育项目 |
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| 摘 要： | 基于可调谐光纤(TF)Fabry-Pent(F-P)滤波扫描传感光纤Bragg光栅(FBG)反射的原理,针对可调谐光纤F-P滤波器的透射波长与驱动电压的非线性与不重复性,提出一种新颖的利用置于恒温箱内的FBG来提供波长参考,得到光纤F-P滤波器小范围内的电压—波长线性关系,对一温度传感器进行了试验检测,在30~130℃范围内,系统的平均偏差为0.52℃。
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| 关 键 词： | 光纤Bragg光栅 可调谐光纤F-P滤波器 波长解调 |
| 文章编号： | 1000-9787（2008）01-0012-03 |
| 收稿时间： | 2007-05-10 |
| 修稿时间： | 2007年5月10日 |
Research on FBG calibration demodulation system based on tunable fiber Fabry-Perot filter |
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| QIAO Xue-guang,ZHANG Lei,JIA Zhen-an,GAO Hong,MA Chao.Research on FBG calibration demodulation system based on tunable fiber Fabry-Perot filter[J].Transducer and Microsystem Technology,2008,27(1):12-14. |
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| Authors: | QIAO Xue-guang ZHANG Lei JIA Zhen-an GAO Hong MA Chao |
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| Abstract: | Based on the principle of tunable fiber Fabry-Perot(TF F-P) filter which scans the reflected peak of fiber Bragg grating(FBG),aimed at the nonlinearity and nonrepeatability between the transmitted wavelength and control-voltage of the TF F-P filter,a novel wavelength demodulation system based on reference FBG is presented.The system adopts reference FBG which placed in the unchanged temperature environment to get steady wavelength.The wavelength and control-voltage of the TF F-P filter is linearized in a narrow wavelength range,which achieves high performance.Demodulation system is used to detect a FBG temperature sensor at the range of 30~130 ℃,the experimental comparison results show that average temperature error is less than 0.52 ℃. |
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| Keywords: | fiber Bragg grating(FBG) tunable fiber Fabry-Perot(TF F-P) filter wavelength demodulation |
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