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Phase-Sensitive Optical Time-Domain Reflectometer Based on a 120°-Phase-Difference Michelson Interferometer 认领 引用 被引量：4
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作者 曹玉龙 杨飞 +3 位作者 徐丹 叶青 蔡海文 方祖捷 《Chinese Physics Letters》 SCIE EI CAS CSCD 2016年第5期22-25,共4页
A phase-sensitive optical time domain reflectometer （φ-OTDR） based on a 120°-phase-difference Michelson in- terferometer is proposed. The Michelson interferometer with arm difference of 4m is used to test the ... A phase-sensitive optical time domain reflectometer （φ-OTDR） based on a 120°-phase-difference Michelson in- terferometer is proposed. The Michelson interferometer with arm difference of 4m is used to test the phase difference between the Rayleigh scattering from two sections of the fiber. A new demodulation method called the inverse transmission matrix demodulation scheme is utilized to demodulate the distributed phase from the backward scattering along the long fiber, The experimental results show that the 120°-phase-difference inter- ferometer φ-OTDR can detect the phase along the 3km fiber, and the acoustic signal within the whole human hearing range of 20 Hz-20 kHz is reproduced accurately and quickly. 展开更多
关键词 of is Phase-Difference Michelson Interferometer Phase-Sensitive Optical Time-Domain Reflectometer Based on a 120 on into kHz EDFA with be that
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Number-Phase Quantization Scheme for L-C Circuit 认领 引用 被引量：2
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作者 FAN Hong-Yi LIANG Bao-Long WANG Ji-Suo 《Communications in Theoretical Physics》 SCIE CAS 2007年第12期1038-1040,共3页
For a mesoscopic L-C circuit,besides the Louisell's quantization scheme in which electric charge q andelectric current I are respectively quantized as the coordinate operator Q and momentum operator P,in this pape... For a mesoscopic L-C circuit,besides the Louisell's quantization scheme in which electric charge q andelectric current I are respectively quantized as the coordinate operator Q and momentum operator P,in this paperwe propose a new quantization scheme in the context of number-phase quantization through the standard Lagrangianformalism.The comparison between this number-phase quantization with the Josephson junction's Cooper pair number-phase-difference quantization scheme is made. 展开更多
关键词 mesoscopic L-C circuit phase-difference quantization scheme magnetic flux Josephson junction
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