12,164 Hits in 7.6 sec

Research Progress on F-P Interference—Based Fiber-Optic Sensors

Yi Huang, Jin Tao, Xu Huang
2016 Sensors  
We review our research progress in F-P interferometric optical fiber sensors regarding their sensor designs and applications.  ...  We review our research progress in F-P interferometric optical fiber sensors regarding their sensor designs and applications.  ...  Introduction The Fabry-Perot (F-P) interferometric optical fiber sensor is one of the most widespread types of fiber-optic sensors, due to its properties of being versatile, simple, responsive, precise  ... 
doi:10.3390/s16091424 pmid:27598173 pmcid:PMC5038702 fatcat:wklshrmpyfgslju5oxzi2ms5lm

Vital Signs Monitoring Based on Interferometric Fiber Optic Sensors

Weimin Lyu, Shuyang Chen, Fengze Tan, Changyuan Yu
2022 Photonics  
This article reviews work on the vital signs monitoring system based on fiber optic interferometers, including the design of sensor structures, signal demodulation methods and data analysis.  ...  Due to the high sensitivity, low cost, and light weight of the interferometric fiber optic sensor, it can be integrated under a mattress or a cushion, which is very suitable for daily use.  ...  Qu et al. conducted some research on the use of SI-based sensors for vital signs monitoring [17] .  ... 
doi:10.3390/photonics9020050 fatcat:2tq6johcerh7joof5ujspv6wlm

Optical Fiber Sensors Based on Microstructured Optical Fibers to Detect Gases and Volatile Organic Compounds—A Review

Diego Lopez-Torres, Cesar Elosua, Francisco J. Arregui
2020 Sensors  
Since the first publications related to microstructured optical fibers (MOFs), the development of optical fiber sensors (OFS) based on them has attracted the interest of many research groups because of  ...  This paper is focused on the reported sensors that have been developed with MOFs which are applied to detection of gases and VOCs, highlighting the advantages that this type of fiber offers.  ...  This constitutes a framework that encourages researches to keep on developing gas and VOCs sensors based on MOFs.  ... 
doi:10.3390/s20092555 pmid:32365856 fatcat:yqdjvfx3gnhgdipbr6ni5rhmz4

Progress on Optical Fiber Biochemical Sensors Based on Graphene

Yani Zhang, Lei Zhou, Dun Qiao, Mengyin Liu, Hongyan Yang, Cheng Meng, Ting Miao, Jia Xue, Yiming Yao
2022 Micromachines  
Here, the progress of optical fiber biochemical sensors based on graphene is reviewed.  ...  The typical research works of graphene-based optical fiber biochemical sensor, such as long-period fiber grating, Bragg fiber grating, no-core fiber and photonic crystal fiber are introduced, respectively  ...  In this paper, development of optical fiber biochemical sensors based on graphene is reviewed.  ... 
doi:10.3390/mi13030348 pmid:35334640 pmcid:PMC8951465 fatcat:45lnl7bttngvtbzyy6hdpo2gx4

Distributed Optical Fiber Sensors Based on Optical Frequency Domain Reflectometry: A review

Zhenyang Ding, Chenhuan Wang, Kun Liu, Junfeng Jiang, Di Yang, Guanyi Pan, Zelin Pu, Tiegen Liu
2018 Sensors  
Distributed optical fiber sensors (DOFS) offer unprecedented features, the most unique one of which is the ability of monitoring variations of the physical and chemical parameters with spatial continuity  ...  In addition, DOFS based on OFDR have been used to sense many parameters.  ...  In addition, Du et al. presented a distributed optical-fiber magnetic-field sensor based on magnetostriction using RBS shift in OFDR [66] .  ... 
doi:10.3390/s18041072 pmid:29614024 pmcid:PMC5948615 fatcat:7uzmtixgvnfczec7iix4nmkjym

Rayleigh-Based Distributed Optical Fiber Sensing

Luca Palmieri, Luca Schenato, Marco Santagiustina, Andrea Galtarossa
2022 Sensors  
In this paper, we focus on one of the scattering mechanisms, which take place in fibers, upon which distributed sensing may rely, i.e., the Rayleigh scattering.  ...  Distributed optical fiber sensing is a unique technology that offers unprecedented advantages and performance, especially in those experimental fields where requirements such as high spatial resolution  ...  both photonics and electronics made optical fiber sensors effective and viable tools, spurring intense research activities and paving the way for many applications.  ... 
doi:10.3390/s22186811 pmid:36146159 pmcid:PMC9505392 fatcat:xwjlla4fwbbancmqo66b4plo4a

Application research on hydraulic coke cutting monitoring system based on optical fiber sensing technology

Dong Zhong, Xinglin Tong
2014 Photonic Sensors  
With the development of the optical fiber sensing technology, the acoustic emission sensor has become one of the focal research topics.  ...  time, researching the monitoring signal of the optical fiber acoustic emission sensor in the system.  ...  the changes in outside conditions cause the changes in the cavity length of the Fabry-Perot (F-P) sensor, which leads to the F-P cavity reflection or the optical path difference change of the transmission  ... 
doi:10.1007/s13320-014-0180-5 fatcat:qiqfw34kbjforgrucnz5xjuwxy

Evanescent wave sensor based on permanently bent single mode optical fiber

A. Iadicicco, D. Paladino, S. Campopiano, W.J. Bock, A. Cutolo, A. Cusano
2011 Sensors and actuators. B, Chemical  
A novel refractive index sensing scheme based on evanescent wave interaction through locally and permanently bent single mode optical fibers is proposed.  ...  Local and permanent bends in single mode optical fibers enable significant power coupling between core and cladding modes.  ...  He is coeditor of 2 Special Issues (Special Issue on Optical Fiber Sensors, IEEE Sensors 2008, and Special Issue on "Fiber Optic Chemical and Biochemical Sensors: Perspectives and Challenges approaching  ... 
doi:10.1016/j.snb.2011.01.021 fatcat:zroimumhafepzdeii6exybtmly

Design of Optical Fiber Fabry-Perot Sensors Based on Intensity and Phase with Parallel Processing

Hui Peng
2015 Open Automation and Control Systems Journal  
with parallel processing capabilities based on the intensity and phase of perception.  ...  For fiber Fabry-Perot sensor vulnerable to external parameters such as electromagnetic, noise and displacement impact, reducing the problem resilience, research and design new fiber Fabry-Perot sensor  ...  Let IN-Sensor denote the Optical fiber Fabry Perot sensor based on intensity demodulation.  ... 
doi:10.2174/1874444301507012146 fatcat:wnacgh2fv5bhndliarkfo7e4pq

Distributed Optical Fiber-Based Approach for Soil–Structure Interaction

Nissrine Boujia, Franziska Schmidt, Christophe Chevalier, Dominique Siegert, Damien Pham Van Pham Van Bang
2020 Sensors  
An analytical analysis based on the Winkler model of the soil was carefully established and used to evaluate the accuracy of the fiber optic sensors and helped interpret the measurements results.  ...  Recent advances in strain measurements using fiber optic sensors allow new opportunities for scour monitoring.  ...  Author Contributions: This research article is based on the PhD work of the first author N.B., who made the experimental and numerical investigation.  ... 
doi:10.3390/s20010321 pmid:31935951 pmcid:PMC6983065 fatcat:lipnqvxgjzb3blgfiml5eb3ykm

Fibre Sensing System Based on Long-Period Gratings for Monitoring Aqueous Environments [chapter]

Catarina Silva, Joo M. P. Coelho, Paulo Caldas, Pedro Jorge
2012 Fiber Optic Sensors  
P. Coelho, Paulo Caldas and Pedro Jorge (2012). Fibre Sensing System Based on Long-Period Gratings for Monitoring Aqueous Environments, Fiber Optic Sensors, Dr Moh.  ...  optical fiber, polymer optical fiber, long period fiber grating, reflectometry and interefometry based sensors.  ... 
doi:10.5772/27372 fatcat:b3zej737gnfbtf6jrajapuwidi

The design of a new fiber optic sensor for measuring linear velocity with pico meter/second sensitivity based on Weak-value amplification [article]

Jing-Hui Huang, Xue-Ying Duan, Guang-Jun Wang, Xiang-Yun Hu
2021 arXiv   pre-print
We put forward a new fiber optic sensor for measuring linear velocity with picometer/second sensitivity with Weak-value amplification based on generalized Sagnac effect [Phys. Rev.  ...  Lett.93, 143901(2004)].The generalized Sagnac effect was first introduced by Yao et al, which included the Sagnac effect of rotation as a special case and suggested a new fiber optic sensor for measuring  ...  To sum up, the above discussion can explain why the sensitivity is improved in our new fiber optic sensor based on weak measurement.  ... 
arXiv:2106.09427v2 fatcat:wpixsimmhjgmzmcvmueuvbtoca

Fiber bragg grating-based load sensor without temperature dependence

Limin Hu, Xinyong Dong, Shuqin Zhang, Shangzhong Jin, Yunpeng Wang, Chi Chiu Chan, Ping Shum
2012 Microwave and optical technology letters (Print)  
We also presented a second alternate MOD formulation based on the Helmholtz wave equation. Numerical results are presented for various dispersive materials, i.e., Debye, Drude, and Lorentz models.  ...  Kunz Key words: fiber Bragg gratings; load sensors; optical fiber sensors INTRODUCTION In the recent decades, fiber Bragg gratings (FBGs) have attracted lots of research interests in the area of optical  ...  FBG-based transverse load sensors have been reported based on various grating structures [7] [8] [9] [10] .  ... 
doi:10.1002/mop.26695 fatcat:4fvoqfyaazev7f2xsfx6w35wga

Fiber Optic Gas Sensors Based on Lossy Mode Resonances and Sensing Materials Used Therefor: A Comprehensive Review

Ignacio Vitoria, Carlos Ruiz Zamarreño, Aritz Ozcariz, Ignacio R. Matias
2021 Sensors  
Some research has been conducted on the development of LMR-based optical fiber gas sensors; however, they have not been fully exploited yet and offer optimal possibilities for improvement.  ...  This review gives the reader a complete overview of the works focused on the utilization of LMR-based optical fiber sensors for gas sensing applications, summarizing the materials used for the development  ...  optical fiber gas sensors over SPR-based optical fiber gas sensors.  ... 
doi:10.3390/s21030731 pmid:33499050 fatcat:kqycqnosrzeohbrvo6hfp35q54

Study of an optical fiber water vapor sensor based on a DFB diode laser: combined wavelength scanning and intensity modulation

Qiang Wang, Jun Chang, Zongliang Wang, Changbin Tian, Shuo Jiang, Guangping Lv
2014 Journal of Modern Optics  
An optical fiber water vapor sensor based on a distributed feedback (DFB) diode laser was reported.  ...  The DFB diode laser was internally driven by a low-frequency current to realize wavelength scanning; simultaneously, laser output was externally modulated through an electro-optic modulator to realize  ...  & Guangping Lv (2014) Study of an optical fiber water vapor sensor based on a DFB diode laser: combined wavelength scanning and intensity modulation, Journal of Modern Optics, 61:18, 1538-1544, DOI: 10.1080  ... 
doi:10.1080/09500340.2014.944234 fatcat:ie277agdgnd6perbmk2rswbtfu
« Previous Showing results 1 — 15 out of 12,164 results