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Intensity-Modulated Polymer Optical Fiber-Based Refractive Index Sensor: A Review

Chuanxin Teng, Rui Min, Jie Zheng, Shijie Deng, Maosen Li, Li Hou, Libo Yuan
2021 Sensors  
Intensity modulation-based polymer optical fiber (POF) RI sensors have a lot of advantages including low cost, easy fabrication and operation, good flexibility, and working in the visible wavelength.  ...  In this review, recent developments of the intensity modulation POF-based RI sensors are summarized. The materials of the POF and the working principle of intensity modulation are introduced briefly.  ...  In this work, a brief review of the intensity-modulated POF-based RI sensors is presented.  ... 
doi:10.3390/s22010081 pmid:35009621 pmcid:PMC8747346 fatcat:knqq2bwxovfd5ixcpbpzvx5qsy

Microfiber Optical Sensors: A Review

Jingyi Lou, Yipei Wang, Limin Tong
2014 Sensors  
Categorized by sensing structures, microfiber optical sensors for refractive index, concentration, temperature, humidity, strain and current measurement in gas or liquid environments are reviewed.  ...  With diameter close to or below the wavelength of guided light and high index contrast between the fiber core and the surrounding, an optical microfiber shows a variety of interesting waveguiding properties  ...  Figure 11 . 11 Refractive-index sensor based on copper-rod-supported microfiber loops [51] .  ... 
doi:10.3390/s140405823 pmid:24670720 pmcid:PMC4029688 fatcat:5gow4vor6fbjvo3yhejebm5nka

A Review of Sensitivity Enhancement in Interferometer-Based Fiber Sensors

Zengrun Wen, Ziqing Guan, Jingru Dong, Hongxin Li, Yangjian Cai, Song Gao
2022 Sensors  
Optical fiber sensors based on an interferometer structure play a significant role in monitoring physical, chemical, and biological parameters in natural environments.  ...  length Lw,A, (3) refractive index difference between two modes/arms Δneff,A, (4) sensing parameter dependent length change α, and (5) sensing parameter dependent refractive index change γ.  ...  An ultrasonic sensor based on polymer optical fibers in a Mach-Zehnder interferometer has been proposed [49] .  ... 
doi:10.3390/s22072506 pmid:35408120 pmcid:PMC9002878 fatcat:hg63he4mlnhbjk42yj2dp27aye

A Review of Microfiber-Based Temperature Sensors

2018 Sensors  
This review broadly divides microfiber-based temperature sensors into two categories: resonant and non-resonant microfiber sensors.  ...  This review broadly divides microfiber-based temperature sensors into two categories: resonant and non-resonant microfiber sensors.  ...  Grating-Based Micro/Nanofibers Optical fiber gratings are periodic perturbations of the fiber core/cladding refractive index.  ... 
doi:10.3390/s18020461 pmid:29401718 pmcid:PMC5855437 fatcat:tc655mj4czhpzlenfcad5dz2ma

Polymer optical fiber sensors—a review

Kara Peters
2010 Smart materials and structures (Print)  
Finally, this article highlights recent single-mode POF based sensors based on polymer fiber Bragg gratings and microstructured POFs.  ...  The recent emergence of single-mode POFs has enabled high precision, large deformation optical fiber sensors.  ...  In this configuration, the phase of a sinusoidally intensity modulated optical sensor signal is compared to that of a similarly modulated reference fiber signal.  ... 
doi:10.1088/0964-1726/20/1/013002 fatcat:mbe27y5carhtlcj4kyu65fdffe

Volatile Organic Compound Optical Fiber Sensors: A Review

Cesar Elosua, Ignacio Matias, Candido Bariain, Francisco Arregui
2006 Sensors  
Optical fiber VOC sensors offering new and interesting properties which overcame some of the inconveniences found on traditional gas sensors appeared over two decades ago.  ...  In addition, some solutions already implemented for the detection of VOCs using optical fiber sensors will be described with detail.  ...  Other more robust modulations than the one based on intensity are employed in these configurations [18] [19] .  ... 
doi:10.3390/s6111440 fatcat:qtbj6lmgk5hbhnqrlqhznbcbwe

Plasmonic Optical Fiber-Grating Immunosensing: A Review

Tuan Guo, Álvaro González-Vila, Médéric Loyez, Christophe Caucheteur
2017 Sensors  
Optical fiber configurations are a miniaturized counterpart to the bulky Kretschmann prism and allow easy light injection and remote operation.  ...  To excite a surface plasmon (SP), the core-guided light is locally outcoupled. Unclad optical fibers were the first configurations reported to this end.  ...  Author Contributions: All the authors have contributed equally to the writing of this review paper. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s17122732 pmid:29186871 pmcid:PMC5751598 fatcat:dfhuzc5nx5hmln5wbwbm6pga34

Optical Graphene Gas Sensors Based on Microfibers: A Review

2018 Sensors  
Although some review articles on graphene-based electrical gas sensors have been published [9, 10] , there are currently no available review articles on graphene-based microfiber gas sensors.  ...  These fiber-optic graphene gas sensors are categorized in both passive (such as interferometric) and active (such as pumping laser-based) techniques, which shows the potential applications in highly-sensitive  ...  Once incorporated with a microfiber, the graphene performs as a part of the cladding, and can influence the optical transmission via mode effective refractive index modulation.  ... 
doi:10.3390/s18040941 pmid:29565314 pmcid:PMC5948858 fatcat:svnxa3ckejcqbhxbnukg3rs53a

Fiber-Optic Force Sensors for MRI-Guided Interventions and Rehabilitation: A Review

Hao Su, Iulian I. Iordachita, Junichi Tokuda, Nobuhiko Hata, Xuan Liu, Reza Seifabadi, Sheng Xu, Bradford Wood, Gregory S. Fischer
2017 IEEE Sensors Journal  
A. Basics of Fiber Optics Fibers are typically made of plastic or glass, with a high refractive index core and a low refractive index cladding.  ...  Page 18 Different methods to implement intensity modulation based fiber optic sensors.  ... 
doi:10.1109/jsen.2017.2654489 pmid:28652857 pmcid:PMC5482288 fatcat:4gj32ubq3jagtfqyjiqmgkb2ny

Multiparameter fiber-optic sensors: a review

Simon Pevec, Denis Donlagić
2019 Optical Engineering: The Journal of SPIE  
This study provides a review of work in the field of miniature fiber-optic sensors that allows independent and simultaneous measurements of two or more different physical or chemical parameters.  ...  Needs for sensor miniaturization, versatile sensing solutions, and improved measurements' performances in difficult operating environments have recently driven considerable research in optical fiber sensor  ...  Introduction Optical fiber sensors have been the topic of intense research for many years.  ... 
doi:10.1117/1.oe.58.7.072009 fatcat:w6qww27a5rgsbeg3kqfpi4koqq

Advanced Micro- and Nano-Gas Sensor Technology: A Review

Haleh Nazemi, Aashish Joseph, Jaewoo Park, Arezoo Emadi
2019 Sensors  
The sensors' working mechanisms and their structures and configurations are reviewed.  ...  In recent years, there has been a significant improvement in sensor design along with the advances in micro- and nano-fabrication technology and the use of newly designed materials, leading to the development  ...  Fiber-optic sensors detect analytes by measuring optical property changes of light such as wavelength, which is introduced on the polymeric sensing layer through optical fiber.  ... 
doi:10.3390/s19061285 fatcat:zqis4mmh55cxta7vckkr477vmq

Fiber optic hydrogen sensors: a review

Minghong Yang, Jixiang Dai
2014 Photonic Sensors  
The main developing trends of fiber optic hydrogen sensors are based on two kinds of hydrogen sensitive materials, i.e. palladium-alloy thin films and Pt-doped WO 3 coatings.  ...  This paper reviews the state-of-art development of the fiber optic hydrogen sensing technology.  ...  Intensity-based optical fiber hydrogen sensors There are several of hydrogen detection methods dependent on the sensing principle including spectrum modulation and light intensity modulation.  ... 
doi:10.1007/s13320-014-0215-y fatcat:rzb2je3shnagndcfjhw2rmkt2q

Optical ultrasound sensors for photoacoustic imaging: a narrative review

Bo Fu, Yuan Cheng, Ce Shang, Jing Li, Gang Wang, Chenghong Zhang, Jingxuan Sun, Jianguo Ma, Xunming Ji, Boqu He
2021 Quantitative Imaging in Medicine and Surgery  
We believe this review could provide researchers with a better understanding of the current status of optical ultrasound sensors and biomedical applications.  ...  In this review, optical ultrasound sensors are classified into resonant and non-resonant ones in view of physical principles. The principles and basic parameters of sensors are introduced in detail.  ...  The refractive index of the polymer waveguide is associated with the deformation of waveguide.  ... 
doi:10.21037/qims-21-605 pmid:35111652 pmcid:PMC8739120 fatcat:f34wnrrk6zhuxctzhriu2ymazq

Fiber Bragg grating sensors for monitoring of physical parameters: a comprehensive review

Jasjot K. Sahota, Neena Gupta, Divya Dhawan
2020 Optical Engineering: The Journal of SPIE  
Basic fundamentals of FBG and recent progress of fiber Bragg grating-based sensors used in various applications for temperature, pressure, liquid level, strain, and refractive index sensing have been reviewed  ...  Fiber Bragg grating has embraced the area of fiber optics since the early days of its discovery, and most fiber optic sensor systems today make use of fiber Bragg grating technology.  ...  index. 178 Exposed core microstructured optical fiber Refractive index sensitivity of 5.85 nm∕RIU was achieved. 179 D-shaped fiber with long period grating Table 2 2 Polymer-based FBG  ... 
doi:10.1117/1.oe.59.6.060901 fatcat:3mjwmvas4baejiv7ifowzfva2u

Tactile Image Sensors Employing Camera: A Review

Kazuhiro Shimonomura
2019 Sensors  
, and reflective membrane-based sensors.  ...  Other important elements of the sensor, such as the optical system, image sensor, and post-image analysis algorithm, have been developed.  ...  Acknowledgments: I would like to thank the members and former members of the Integrated Sensors and Intelligence Lab at Ritsumeikan University, who conducted the research on the tactile image sensors together  ... 
doi:10.3390/s19183933 fatcat:jhtm4bvjgfe4ni7bdwwir6bjv4
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