周新磊

个人信息Personal Information

副教授

硕士生导师

性别:男

毕业院校:大连理工大学

学位:博士

所在单位:光电工程与仪器科学学院

学科:光学工程

办公地点:物理学院233房间

联系方式:xlzhou@dlut.edu.cn

电子邮箱:xlzhou@dlut.edu.cn

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基于光学相关的光纤法布里-珀罗传感器解调仪

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论文类型:期刊论文

发表时间:2022-06-28

发表刊物:光子学报

所属单位:光电工程与仪器科学学院

卷号:47

期号:6

页面范围:60-65

ISSN号:1004-4213

摘要:In view of the complicated structure and high cost of the ever reported fiber-optic Fabry-Perot (F-P) sensing demodulator, a new demodulation scheme based on optical correlation is presented in this paper. A glass wafer is used as an optical cross-correlator. The cavity length of the F-P sensor is demodulated by the cross-correlation relationship between the glass wafer and the F-P cavity. To optimize the optical path, the single-mode fiber-optic F-P sensing demodulator with a simple structure has been constructed by establishing a simulation model. The demodulator consists of a broadband light source with the center wavelength of 850 nm, a glass wafer, a linear CCD, a cylindrical mirror and a single-mode fiber. Experimental results show that the resolution of the demodulated cavity length is achieved to be 0.72 nm. The proposed demodulator has broad prospects in the fields of well logging, liquid level monitoring and structural health monitoring for temperature, pressure and displacement measurements. © 2018, Science Press. All right reserved.

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