全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

用于Sagnac干涉仪的PGC解调电路研制

Keywords: 光纤光学,光纤传感器,Sagnac干涉仪,解调器

Full-Text   Cite this paper   Add to My Lib

Abstract:

论述了相位生成载波PGC解调技术的算法,并将基于PGC解调技术的硬件系统应用于Sagnac干涉型管道泄漏定位系统中,解调出干涉信号相位.实验结果表明:该解调系统能从干涉信号中有效地解调出泄漏信号,并实现管道泄漏点的准确定位.

References

[1]  宋牟平,赵斌,章献民.基于微波电光调制的布里渊光时域分析传感器[J].光学学报,2005,25(8):1053-1056.SONG Mou-ping,ZHAO Bin,ZHANG Xian-min.Brillouin optical time domain analysis distributed optic-fiber sensor based on microwave dectrooptic modulation[J].Acta Optica Sinica,2005,25(8):1053-1056.(in Chinese)
[2]  杭利军,何存富,吴斌.一种新的直线型Sagnac光纤干涉仪管道泄漏检测系统及其定位技术[J].中国激光,2007,34 (6):820-824.HANG Li-jun,HE Cun-fu,WU Bin.A new pipeline leakage detection system based on linear optical fiber sagnac interferom- eter and its location technology[J].Chinese Journal of Lasers,2007,34(6):820-824.(in Chinese)
[3]  KOO K P,TVETEN A B,DANDRIDGE A.Passive stabilization scheme for fiber interferometry using (3×3) fiber direc- tional couplers[J].Apply Phys Lett,1982,41:616-620.
[4]  黄建辉,曹芒,李达成,等.用于干涉型光纤传感器的相位生成载波解调技术[J].光学技术,2000,26(3):228-234.HUANG Jian-hui,CAO Mang,LI Da-cheng,et al.Review of phase generated carrier demodulation techniques for interfero- metric fiber-optic sensors[J].Optical Technology,2000,26(3):228-234.(in Chinese)
[5]  KURMER J P.Distributed fiber optic acoustic sensor for leak detection[C]//International Seciety for Optical Engineering. [S.I.]:SPIE,1991:117-128.
[6]  GAO Jian-zhong,JIANG ghuang-de,ZHAO Yu-long,et al.Full distributed fiber optical sensor for intrusion detection in ap- plication to buried pipelines[J].Chinese Optics Letters,2005,3(11) :633-635.
[7]  周琰.靳世久,张昀超,等.管道泄漏检测分布式光纤传感技术研究[J].光电子·激光,2005,16(8):935-938.ZHOU Yan,JIN Shi-jiu,ZHANG Yun-chao,et al.Study on the distributed optical fiber sensing technology for pipeline leakage detection[J].Journal of Optodectronics.Laser,2005,16(8):935-938.(in Chinese)
[8]  JACKON D A,PRIEST R,DANDRIDGE A,et al.Elimination of drift in a single-mode optical fiber interferometer using a piezoelectrically stretched coiled fiber[J].Appl Opt,1980,19(17):2926-2922.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133