INTERFEROMETER

作品数：391被引量：466H指数：9
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  • 期刊=Optoelectronics Lettersx
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Seawater temperature and salinity sensing based on in-fiber Michelson-Fabry-Perrot hybrid interferometer employing frequency domain decomposition method
《Optoelectronics Letters》2024年第2期70-75,共6页WANG Jiahui WEI Xian ZHU Yan SHEN Yue PANG Lipeng DUAN Shaoxiang 
supported by the National Natural Science Foundation of China(Nos.62275131,62231005 and 62105164);the Natural Science Foundation of Tianjin(Nos.21JCQNJC00210,22JCQNJC01540 and 21JCYBJC00080)。
We propose an in-fiber Michelson-Fabry-Perrot(M-FP)hybrid interferometer for the simultaneous measurement of seawater temperature and salinity.The sensor head consists of two parallel hetero Fabry-Perot(FP)cavities fa...
关键词：temperature SALINITY ocean 
Properties of sandwich-structure based Mach-Zehnder interferometer cascaded with FBG response to dual-parameter sensing
《Optoelectronics Letters》2023年第12期705-709,共5页JIA Sumei YANG Kang LI Guoyu LI Yan WANG Zhihui 
supported by the National Natural Science Foundation of China (No.62175055);the Natural Science Foundation of Handan University (No.XZ2022408)
An all-fiber temperature and curvature sensor based on Mach-Zehnder interferometer(MZI)was proposed.The MZI was a sandwich structure which is composed of ring-core fiber(RCF),no-core fiber(NCF)and single-mode fiber(SM...
关键词：INTERFEROMETER fiber cascaded 
Simulations of ultra-high sensitivity RI sensor in triple-core fiber with modified Vernier effect:Application in marine RI measurement
《Optoelectronics Letters》2023年第8期481-486,共6页XIONG Lingyi YU Yangfei DUAN Shaoxiang LIU Bo LIN Wei YAO Yuan 
supported by the National Natural Science Foundation of China(Nos.11774181,62231005,62275131 and 62105164);the Natural Science Foundation of Tianjin(Nos.19JCYBJC16700,20JCQNJC01480,21JCQNJC00210 and 21JCYBJC00080);the Tianjin Graduate Research Innovation Project(No.2022BKY006);the Tianjin Development Program for Innovation and Entrepreneurship;the Fundamental Research Funds for the Central Universities,Nankai University。
We proposed an ultra-high sensitivity triple-core fiber refractive index(RI)sensor with a modified Vernier effect for marine RI measurement and demonstrated it by numerical simulation.This sensor composes a pair of pa...
关键词：INTERFEROMETER FIBER effect 
Micro-displacement sensor based on an asymmetric wavy multimode fiber interferometer被引量：1
《Optoelectronics Letters》2023年第3期134-138,共5页LI Yuanzheng LI Yi MIAO Yinping WANG Fang HU Kai ZHANG Kailiang 
supported by the National Key Research and Development Program of China(No.2017YFB0405600);the National Natural Science Foundation of China(Nos.62001326,61274113 and 61404091);the Natural Science Foundation of Tianjin City(Nos.18JCYBJC85700 and 18JCZDJC30500);the Open Project of State Key Laboratory of Functional Materials for Information(No.SKL202007);the Science and Technology Planning Project of Tianjin City(No.20ZYQCGX00070)。
We proposed a compact and tunable multimode interferometer(MMI)based on an asymmetric wavy fiber(AMWF),which has axial offset,off-center taper waist,and micro-length.The fabrication process only contains non-axis pull...
关键词：INTERFEROMETER FIBER MULTIMODE 
PCF-multimode/endless fiber sensor for respiratory rate monitoring被引量：1
《Optoelectronics Letters》2023年第1期8-13,共6页Haneen D.Abdulkareem Ali A.Alwahib Bushara R.Mahdi 
A respiratory monitoring system was proposed based on optical fiber.The sensor consists of photonic crystal fiber(PCF)spliced with multimode fiber(MMF)to fabricate Michelson interferometer.The sensor is inserted into ...
关键词：FIBER MULTIMODE INTERFEROMETER 
Theoretical investigation of DFSI with immunity to both Doppler effect and frequency-sweep nonlinearity
《Optoelectronics Letters》2022年第11期662-667,共6页ZHENG Feiteng SHAO Bin SUN Shufeng ZHANG Wu TAN Qinggui ZHANG Wei 
supported by the Sustainably Supported Foundation of SASTIND (No.HTKJ2021KL504008);the National Natural Science Foundation of China (No.51805054);the China Postdoctoral Science Foundation (No.2018M643405);the Technology Innovation Platform Project of Aero Engine Corporation of China (No.SHYS-GXDPL-18)。
Frequency-swept interferometry(FSI) is a well-known ranging technique, but it suffers from three problems, namely, the Doppler effect, the frequency-sweep nonlinearity, as well as the slow frequency-sweep rate. The fi...
关键词：INTERFEROMETER tuning NONLINEARITY 
Multi-channel laser interferometer based on automatic frequency stabilization system for improving coordinate measurement accuracy
《Optoelectronics Letters》2022年第10期588-594,共7页PANG Chengkai ZHANG Qiongqiong ZHANG Hongqiao HUANG Haiyan DENG Zejiang WU Guang 
supported by the National Natural Science Foundation of China(Nos.11774095,11804099,and 11621404);the Research Funds of Happiness Flower ECNU(No.2021ST2110).
A multi-channel laser interferometer(MCLI)is proposed to improve the coordinate measurement accuracy.A 780 nm external cavity laser is locked on the D2 line of ^(87)Rb atom by polarization spectroscopy,and a high freq...
关键词：INTERFEROMETER CHANNEL POLARIZATION 
Refractive index and temperature optical fiber sensor based on thin core S-taper and spherical structure被引量：2
《Optoelectronics Letters》2022年第6期321-325,共5页YANG Fan CAO Ye LI Meiqi JU Hui LI Lijun 
supported by the National High Technology Research and Development Program of China(No.2013AA014200);the National Natural Science Foundation of China(No.11444001);and the Municipal Natural Science Foundation of Tianjin(No.14JCYBJC16500)。
A Mach-Zehnder interferometer(MZI)for simultaneously measuring refractive index(RI)and temperature is proposed and verified in this paper.The sensor head is composed of thin core fiber(TCF)S-taper structure and spheri...
关键词：fiber INTERFEROMETER TAPER 
Sagnac fiber interferometer with the population grating for fiber Bragg grating dynamic strain sensing被引量：3
《Optoelectronics Letters》2021年第12期723-728,共6页WANG Wei TAO Chuanyi WANG Hao JIANG Xuhai CHEN Rong LI Jingke GU Zidi 
supported by the National Natural Science Foundation of China(No.51874064)
A Sagnac fiber interferometer with the population grating formed in saturable erbium-doped fiber(EDF)for fiber Bragg grating(FBG)dynamic strain sensing is proposed.In this configuration,a semiconductor optical amplifi...
关键词：INTERFEROMETER fiber POLARIZATION 
Laser self-mixing interferometer with scalable fringe precision based on phase multiplication algorithm被引量：1
《Optoelectronics Letters》2021年第11期665-668,共4页WANG Xiulin XIONG Yanbin XU Huizhen QIU Lirong LI Zhen HUANG Wencai 
supported by the Natural Science Foundation of Fujian Province(No.2020J01705);the School Foundation of Jimei University(No.C150345)。
In this paper,we present a phase multiplication algorithm(PMA)to obtain scalable fringe precision in laser self-mixing interferometer under a weak feedback regime.Merely by applying the double angle formula on the sel...
关键词：Laser self-mixing interferometer with scalable fringe precision based on phase multiplication algorithm 
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