Academic literature on the topic 'Optial fiber sensor'

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Journal articles on the topic "Optial fiber sensor"

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Kyselak, Martin, Jiri Vavra, Karel Slavicek, David Grenar, and Lucie Hudcova. "Long Distance Military Fiber-Optic Polarization Sensor Improved by an Optical Amplifier." Electronics 12, no. 7 (2023): 1740. http://dx.doi.org/10.3390/electronics12071740.

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The ever-increasing demands for the use of fiber-optic sensors powered by long optical fibers is forcing developers to solve problems associated with powering these remote sensors. Due to their non-electric character, these sensors are suitable for many uses, including military applications. The Army of the Czech Republic is very interested in this type of optical fiber sensor as it fulfils the significant prerequisites for use in military areas. However, the army’s requirements are challenging because they require long supply cables in which there is significant attenuation of optical power.
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Bartelt, Hartmut. "Fiber Bragg Grating Sensors and Sensor Arrays." Advances in Science and Technology 55 (September 2008): 138–44. http://dx.doi.org/10.4028/www.scientific.net/ast.55.138.

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Fiber Bragg gratings have found widespread application in sensor systems, e. g. for temperature, strain or refractive index measurements. The concept of fiber Bragg gratings allows also in a simple way the realisation of arrays of such sensors. The development of such optical fiber sensor systems often requires special fibers and grating structures which may go beyond more conventional Bragg grating structures in typical communication fibers. Concerning fibers there is, for example., a need of achieving fiber gratings in small diameter fibers and fiber tapers as well as in microstructured fibe
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Moś, Joanna Ewa, Karol Antoni Stasiewicz, and Leszek Roman Jaroszewicz. "Liquid crystal cell with a tapered optical fiber as an active element to optical applications." Photonics Letters of Poland 11, no. 1 (2019): 13. http://dx.doi.org/10.4302/plp.v11i1.879.

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The work describes the technology of a liquid crystal cell with a tapered optical fiber as an element providing light. The tapered optical fiber with the total optical loss of 0.22 ± 0.07 dB, the taper waist diameter of 15.5 ± 0.5 μm, and the elongation of 20.4 ± 0.3 mm has been used. The experimental results are presented for a liquid crystal cell filled with a mixture 1550* for parallel orientation of LC molecules to the cross section of the taper waist. Measurement results show the influence of the electrical field with voltage in the range of 0-200 V, without, as well as with different mod
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Jalil, Muhammad Arif Bin. "Optical Fiber Bragg Grating As A Temperature Sensor." International Journal for Research in Applied Science and Engineering Technology 12, no. 8 (2024): 1238–47. http://dx.doi.org/10.22214/ijraset.2024.64058.

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The optical fibre sensor (OFS) has become quite well-known and prominent in the sensor technology industry. It is often used to react to outputs from other systems, like those in industrial, monitoring, and chemical analysis applications, and to detect changes in the environment. A Fibre Bragg Grating (FBG) is a device that allows light to be reflected from a short section of optical fiber at a specific wavelength, while the Bragg reflector expands and transmits all other wavelengths. The current effort focuses on the evolving characteristics and behaviors of strain and temperature sensors ope
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Kleiza, V., and J. Verkelis. "Some Advanced Fiber-Optical Amplitude Modulated Reflection Displacement and Refractive Index Sensors." Nonlinear Analysis: Modelling and Control 12, no. 2 (2007): 213–25. http://dx.doi.org/10.15388/na.2007.12.2.14712.

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Some advanced fiber-optic amplitude modulated reflection displacement sensors and refractive index sensors have been developed. An improved three-fiber displacement sensor has been investigated as a refractive index sensor by computer simulations in a large interval of displacement. Some new regularities have been revealed. A reflection fiber-optic displacement sensor of novel configuration, consisting of double optical-pair fibers with a definite angle between the measuring tips of fibers in the pairs has been proposed, designed, and experimentally investigated to indicate and measure the dis
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Zenevich, A. O., T. G. Kovalenko, E. V. Novikov, and S. V. Zhdanovich. "Fiber-Optic Sensor for Identifying Liquids and Determining Solutions Concentration." Doklady BGUIR 21, no. 6 (2024): 14–20. http://dx.doi.org/10.35596/1729-7648-2023-21-6-14-20.

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Fiber-optic sensors for identifying liquids and determining the concentration of solutions have been studied with the possibility of using various types of single-mode optical fibers produced by industry and widely used in optical cables and telecommunications to create sensors for identifying liquids and determining the concentration of solutions. To identify liquids with different refractive indices and determine the concentration of substances dissolved in water, the peak value of the reflectograms of the optical fiber located at the interface between the optical fiber core and the environm
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Vašínek, Vladimír, Pavel Šmíra, Vladimira Rasnerova, et al. "Usage of Distributed Fiber Optical Temperature Sensors during Building Redevelopment." Advanced Materials Research 923 (April 2014): 229–32. http://dx.doi.org/10.4028/www.scientific.net/amr.923.229.

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This contribution describes the novel unique technology with the usage of fiber optical sensors with temperature resolution up to 0.01°C and spatial resolution 1m. This technology is supplemented with fiber optical strain sensor with pressure resolution 1Pa. Fiber optical sensors are based on nonlinear effects within the optical fibers, they behave as distributed sensors making possible to measure temperature and strain with one fiber in many points contemporarily during building redevelopments. For temperature measurements Raman scattering within multimode optical fiber is used. Results from
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Khabay, Anar, Murat Baktybayev, Serikbek Ibekeyev, Nurlan Sarsenbayev, Nuridin Junussov, and Nurzhan Zhumakhan. "Improvement of fiber optic sensor measurement methods for temperature and humidity measurement in microelectronic circuits." Eastern-European Journal of Enterprise Technologies 3, no. 5 (129) (2024): 36–44. http://dx.doi.org/10.15587/1729-4061.2024.306711.

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A wide range of applications such as healthcare, human comfort, agriculture, food processing and storage, and electronics manufacturing also require fast and accurate measurement of humidity and temperature. Optical fiber-based sensors have several advantages over electronic sensors, and much research has been conducted in this area in recent years. This paper describes the current trends in fiber optic temperature and humidity sensors. The evolution of optical structures aimed at humidity detection is presented, as well as a new design of an optical sensor used for this purpose. The main meth
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Han, Yan. "The Building of Optical Fiber Network System Using Hetero-Core Fiber Optic Sensors." Advanced Materials Research 571 (September 2012): 342–46. http://dx.doi.org/10.4028/www.scientific.net/amr.571.342.

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We proposed a novel optical sensory nerve network using pulse switch sensors. The pulse switch sensor generates light loss similar to pulse signals only when ON/OFF states change. Therefore, it has less influence on communications quality compared with conventional switch sensor modules as sensor multiplicity increases. Our simulated results demonstrated that the proposed system can improve sensor multiplicity while maintaining the communications and measuring performance with the same quality as a conventional system by appropriately adjusting the initial loss of the pulse switch sensors. In
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Khabay, A., Y. A. Tuleshov, A. A. Shadymanova, S. K. Sadykov, and V. K. Bayturganova. "Humidity measurement is based on the optical fiber sensor." Novosti nauki Kazahstana, no. 2 (June 30, 2022): 35–41. https://doi.org/10.53939/15605655/2022_2_35.

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Currently, it is necessary to further improve the sensitivity, selectivity, reliability and response time of sensors. An optical fiber based humidity sensor has been investigated with interest because of its advantages such as high sensitivity, fast response, compact size and anti-electromagnetic resistance. Proposed the infrasonic laser sensitivity to humidity-dependent based on optical fibers of the Fabry-Perot interferometers experimentally demonstrated. Based on these analyses, the principle of operation of an optical fiber sensor that measures humidity is proposed. Providing the principle
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Dissertations / Theses on the topic "Optial fiber sensor"

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Pham, Thi Nhung. "Fabry-Perot interferometer based on end-of-fiber polymer microtip for chemical sensing." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0006.

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Les interféromètres Fabry-Perot (FPI) ont reçu un grand intérêt pour leur utilisation en tant que capteurs. Les FPI sont constitués d'une cavité optique avec des surfaces parallèles qui réfléchissent la lumière incidente, produisant un signal interférométrique optique. Ce signal dépend de la distance entre les surfaces réfléchissantes et de l'indice de réfraction de la cavité, qui sont sensibles aux variations d’humidité, de température, de pression et du matériau. Les FPI peuvent être attachés à des fibres optiques, qui fonctionnent comme un guide d'ondes pour le signal incident et le signal
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Andrews, Jeffrey Pratt. "Longitudinal misalignment based strain sensor." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/43283.

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<p>A practical fiber optic strain sensor has been developed to measure strains in the range of 0.0 to 2.0 percent strain with a resolution ranging between 10 and 100 microstrain depending on sensor design choices. This intensity based sensor measures strain by monitoring strain induced longitudinal misalignment in a novel fiber interconnection. This interconnection is created by aligning fibers within a segment of hollow core fiber. Related splice loss mechanisms are investigated for their effect on resolution. The effect of gauge length and launch conditions are also investigated.</p><br>Mast
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Lee, Shiao-Chiu. "Axial offset effects upon optical fiber sensor and splice performance." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/91128.

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A kind of intensity modulated fiber sensor utilizing axial offset parameter is proposed. The theoretical analysis and experimental characteristics of this sensor are described. All the theoretical results derived in this thesis are based on assuming a uniform power distribution in the fibers. An expression of coupling efficiency of central dipped parabolic graded index fibers due to axial offset is derived. The results show less sensitivity to axial offset for the central dipped fibers than for the parabolic profile fibers without a dip. Expressions of coupling efficiency of graded index fib
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Bronk, Karen Srour. "Imaging based sensor arrays /." Thesis, Connect to Dissertations & Theses @ Tufts University, 1996.

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Thesis (Ph.D.)--Tufts University, 1996.<br>Adviser: David R. Walt. Submitted to the Dept. of Chemistry. Includes bibliographical references. Access restricted to members of the Tufts University community. Also available via the World Wide Web;
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Kominsky, Daniel. "Development of Random Hole Optical Fiber and Crucible Technique Optical Fibers." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/28949.

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This dissertation reports the development of two new categories of optical fibers. These are the Random Hole Optical Fiber (RHOF) and the Crucible Technique Hybrid Fiber (CTF). The RHOF is a new class of microstructure fiber which possesses air holes which vary in diameter and location along the length of the fiber. Unlike all prior microstructure fibers, these RHOF do not have continuous air holes which extend throughout the fiber. The CTF is a method for incorporating glasses with vastly differing thermal properties into a single optical fiber. Each of these two classes of fiber brings
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Wavering, Thomas A. "Optical Path Length Multiplexing of Optical Fiber Sensors." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36037.

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Optical fiber sensor multiplexing reduces cost per sensor by designing a system that minimizes the expensive system components (sources, spectrometers, etc.) needed for a set number of sensors. The market for multiplexed optical sensors is growing as fiberoptic sensors are finding application in automated factories, mines, offshore platforms, air, sea, land, and space vehicles, energy distribution systems, medical patient surveillance systems, etc. Optical path length multiplexing (OPLM) is a modification to traditional white-light interferometry techniques to multiplex extrinsic Fabry-Perot i
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Fan, Chenjun. "Fiber optic sensor based on dual ring resonator system /." Online version of thesis, 1992. http://hdl.handle.net/1850/11070.

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Utou, Frumence E. "Fiber optic sensors ensuring structural integrity." Thesis, Cape Peninsula University of Technology, 2005. http://hdl.handle.net/20.500.11838/1300.

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Thesis (DTech (Mechnical Engineering))--Cape Peninsula University of Technology, 2005<br>Among the issues that are taken into consideration for many years by Engineers and Technologists is the integrity of the servicing elements in structures and mechanisms. It is a documented phenomenon that after a certain period of time, in service, engineering components tend to change their original state, and begin to develop faults and defects. This includes the original shape distortion due to effects such as bending, twisting, and cracks. The above-sited effects may be caused by the sudden
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Haskell, Adam Benjamin. "A Durability and Utility Analysis of EFPI Fiber Optic Strain Sensors Embedded in Composite Materials for Structural Health Monitoring." Fogler Library, University of Maine, 2006. http://www.library.umaine.edu/theses/pdf/HaskellAB2006.pdf.

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Xiao, Hai. "Self-Calibrated Interferometric/Intensity-Based Fiber Optic Pressure Sensors." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/28845.

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To fulfill the objective of providing robust and reliable fiber optic pressure sensors capable of operating in harsh environments, this dissertation presents the detailed research work on the design, modeling, implementation, analysis, and performance evaluation of the novel fiber optic self-calibrated interferometric/intensity-based (SCIIB) pressure sensor system. By self-referencing its two channels outputs, for the first time to our knowledge, the developed SCIIB technology can fully compensate for the fluctuation of source power and the variations of fiber losses. Based on the SCIIB princ
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Books on the topic "Optial fiber sensor"

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Krohn, D. A. Fiber optic sensors: Fundamentals and applications. SPIE Press, 2014.

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Richard, Bryant, ed. Fiber optic sensors. Business Communications Co., 1994.

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1951-, Arditty H. J., Jeunhomme Luc B. 1950-, Society of Photo-optical Instrumentation Engineers., and Association nationale de la recherche technique., eds. Fiber optic sensors, 26-27 November, 1985, Cannes, France. SPIE--the International Society for Optical Engineering, 1986.

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International, Conference on Optical Fiber Sensors (1988 New Orleans La ). Optical fiber sensors: Summaries of papers presented at the Optical Fiber Sensors Topical Meeting, January 27-29, 1988, New Orleans, Louisiana. OSA, 1988.

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International, Conference on Optical Fiber Sensors (1988 New Orleans La ). Optical fiber sensors: Summaries of papers presented at the Optical Fiber Sensors Topical Meeting, January 27-29, 1988, New Orleans, Louisiana. Optical Society of America, 1988.

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Chester, A. N. Optical Fiber Sensors. Springer Netherlands, 1987.

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Chester, A. N., S. Martellucci, and A. M. Verga Scheggi, eds. Optical Fiber Sensors. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3611-9.

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Arditty, Hervé J., John P. Dakin, and Ralf Th Kersten, eds. Optical Fiber Sensors. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-75088-5.

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N, Chester A., Martellucci S, Verga Scheggi A. M, and North Atlantic Treaty Organization. Scientific Affairs Division., eds. Optical fiber sensors. M. Nijhoff, 1987.

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1947-, Dakin John, and Culshaw B, eds. Optical fiber sensors. Artech House, 1988.

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Book chapters on the topic "Optial fiber sensor"

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Rogers, A. J. "Nonlinear Optics and Optical Fibers." In Optical Fiber Sensor Technology. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4757-6079-8_3.

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Martelli, Cicero, Xinjian Chen, Jean Carlos Cardozo da Silva, et al. "Improving Dam Safety Using Optical Fiber Seismic Sensing." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-9184-2_14.

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AbstractThis paper presents seismic measurements at a large hydroelectric power plant dam in the south of Brazil. The seismic measurements were realized using optical fibre distributed sensor system technology and aim at diagnosing possible structural problems inside of the dam. Studies carried out at a laboratory scale dam using geophones as well as optical fiber sensors are also presented. Results are very promising and indicate the potential of the technology using both active and passive seismic techniques to solve major monitoring problems that cannot be addressed by today’s technology.
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Moore, Emery Lightner, and Ramon Perez De Paula. "Optical Fibers and Integrated Optics." In Sensors. Wiley-VCH Verlag GmbH, 2008. http://dx.doi.org/10.1002/9783527620128.ch8.

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Rogers, Alan J. "Optical-Fiber Sensors." In Sensors. Wiley-VCH Verlag GmbH, 2008. http://dx.doi.org/10.1002/9783527620173.ch15.

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Grattan, K. T. V. "Optical Fiber Sensors: Optical Sources." In Optical Fiber Sensor Technology. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4757-6081-1_7.

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Weir, K., and J. D. C. Jones. "Optical Fiber Sensors: Optical Detection." In Optical Fiber Sensor Technology. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4757-6081-1_8.

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Nolan, Daniel A., Paul E. Blaszyk, and Eric Udd. "Optical Fibers." In Fiber Optic Sensors. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118014103.ch2.

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Spillman, William B. "Optical Detectors." In Fiber Optic Sensors. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118014103.ch4.

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Weik, Martin H. "optical fiber sensor." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_13044.

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Bucaro, Joseph A. "Optical Fiber Sensor Coatings." In Optical Fiber Sensors. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3611-9_17.

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Conference papers on the topic "Optial fiber sensor"

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Wright, Ruishu F., Ping Lu, Nathan Diemler, et al. "Carbon Steel Thin Film Coated Optical Fiber Sensor for Corrosion Monitoring at Elevated Temperature." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-15051.

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Abstract The ability to detect early corrosion onset in real time before structural integrity is compromised can have a significant impact on preventing catastrophic failures of components resulting from corrosion. High durability is required for corrosion sensors in extreme service conditions such as high temperature high pressure in subsurface wellbores. We have previously demonstrated a distributed corrosion sensor for early corrosion detection with the use of proxy materials integrated with the optical fiber sensing platform at ambient conditions. In this work, an optical fiber sensor func
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Wright, Ruishu F., Michael Buric, James Egbu, Margaret Ziomek-Moroz, Ping Lu, and Paul R. Ohodnicki. "Electrolessly Coated Optical Fibers for Distributed Corrosion Monitoring." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13499.

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Abstract Internal corrosion can occur in the natural gas transmission pipelines with the presence of aqueous electrolytes from the wet gas condensation or upstream plant upsets. Internal corrosion caused 15% of the incidents in natural gas transmission and gathering pipelines over the last 30 years. The ability to monitor internal corrosion online along the natural gas transmission pipelines before the structural integrity is compromised can have a significant impact on preventing catastrophic events as well as methane leaks resulting from corrosion. To develop a distributed optical fiber sens
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Lee, YunSook, TaeHyun Koh, KwangYong Song, and YeonWan Koh. "Fiber optic sensors, in the commercial perspective, here and there in Korea." In Optical Fiber Sensors. Optica Publishing Group, 2023. http://dx.doi.org/10.1364/ofs.2023.m3.1.

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The fiber optic sensors have two major markets: the inertial senor and the distributed sensor. Here, we will focus on the actual commercial products being sold in Korea, and examine their applications and case examples.
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Maupin, David B., Christopher M. Dumm, George E. Klinzing, Carey D. Balaban, and Jeffrey S. Vipperman. "Design and Realization of Microscopic Optical Acoustic Sensors." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-113926.

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Abstract Optical sensing technologies are increasingly attractive for applications where susceptibility to electromagnetic interference must be minimized. Optical fibers provide an inexpensive yet effective approach to simultaneously transmit and receive signals with high consistency and minimal attenuation. While prior work in the field considers development of various types of miniaturized sensors that have the size profile of an optical fiber, practical design and implementation of such sensors is challenging to non-specialists. Certain sensor topologies rely on construction of internal gra
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Nagarur, Aruna R., S. Gopalan, and Carl W. Dirk. "Development Of Plastic Optical Fiber Devices and Multiple-Core Plastic Optical Fibers." In Organic Thin Films for Photonic Applications. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.mb.4.

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A vast amount of research has been done on optical fibers. Most of the work has been done on Glass optical fibers (GOFs). Much less has been done on Plastic optical fibers (POFs), and very little with regards to applications of nonlinear optics.1 Plastic optical fibers are currently under intense investigation and are used for Local Area Networks (LAN), vehicular systems2 and optical sensor applications. Though they have much greater losses than Glass optical fibers they display advantages with regard to easy fabrication, flexibility, porosity and permeability (sensors), optical modification b
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Tomboza, Wendy, Damien Labat, Remi Habert, et al. "Comparison of fiber in line Fabry-Pérot pressure sensors for harsh environment in aeronautic field." In Optical Fiber Sensors. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ofs.2022.th4.22.

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In this paper, we propose a comparison of fiber in-line Fabry-Pérot pressure sensors with different structure. The modeling and simulation of pressure sensor with different diaphragm and cavity shape is made. The sensor temperature response up to 900°C is presented. Pressure measurement up to 70bar of four different sensors are demonstrated.
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Lieberman, R. A. "Fiber-optic sensors for environmental applications." In OSA Annual Meeting. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/oam.1993.thp.1.

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The use of optical fibers for chemical monitoring predates communications uses. In recent years, advances in fiber optic and semiconductor technology, as well as in analytical chemistry and biochemistry, have made fiber optic chemical sensors very attractive for a wide variety of environmental applications. Remote spectroscopic measurements via optical fibers (passive fiber optic chemical sensing), including fluorescence and Raman spectroscopy, and often multiplexing many fibers to provide simultaneous multipoint chemical information, have become well accepted in the process control and enviro
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Bradley, Lee W., Yusuf S. Yaras, and F. Levent Degertekin. "Acousto-Optic Electric Field Sensor Based on Thick-Film Piezoelectric Transducer Coated Fiber Bragg Grating." In Optical Fiber Sensors. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ofs.2022.f1.2.

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An acousto-optic electric field sensor based on piezoelectric thick-film coated FBG is developed for magnetic resonance imaging. The sensor operates in the 20-150MHz range, addressing challenges of electro-optical field sensors at low RF frequencies.
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Leyssner, Felix, Erray Myumyun, Eric Meijer, et al. "fs-IR laser point-by-point inscription of Fiber Bragg Gratings for a new generation of miniature sensors using novel 25µm diameter optical fibers." In Optical Fiber Sensors. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ofs.2022.w4.54.

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fs-point-by-point through the coating written FBGs as a basis for novel sensor concepts using 25µm optical fiber. fs-point-by-point FBGs in novel single mode fiber with a cladding diameter of 25µm have been produced in fiber that is 5 times smaller than conventional telecommunication optical fiber. The development opens the path to new sensor types including miniature pressure sensors with a diameter of only 330µm (1Fr.)
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Sanchez-Gonzalez, A., A. Rodriguez-Rodriguez, R. Dauliat, et al. "Micro-displacement Sensor based on Hollow Core Fiber Interferometers." In Optical Fiber Sensors. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ofs.2022.th4.10.

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An interferometric sensor based on hollow core fibers for the measurement of micro-displacement has been designed. Its characterization has resulted in a linear response, suggesting its application in pressure sensors.
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Reports on the topic "Optial fiber sensor"

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Taylor. L51724 Fiber Optic Pressure Sensor Development. Pipeline Research Council International, Inc. (PRCI), 1995. http://dx.doi.org/10.55274/r0010368.

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Fiber optic sensors have been under development in industrial and government laboratories around the world for over a decade The commercial market for fiber sensors for measuring parameters such as temperature, displacement, and liquid level is now estimated to exceed $50 M/year Aside from the commercial interest, the U S. Department of Defense has vigorously pursued the development of fiber gyroscopes and hydrophones In spite of the high level of research and devleopment activity, however, fiber sensors were not successfully applied in the relatively harsh environment of engine combustion cha
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Taylor. L51755 Development and Testing of an Advanced Technology Vibration Transmission. Pipeline Research Council International, Inc. (PRCI), 1996. http://dx.doi.org/10.55274/r0010124.

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Fiber optic sensors have been under development in industrial and government laboratories around the world for over a decade. The commercial market for fiber sensors for measuring parameters such as temperature, displacement, and liquid level is now estimated to exceed $100 M/year. Aside from the commercial interest, the U. S. Department of Defense has vigorously pursued the development of fiber gyroscopes and hydrophones. In spite of the high level of research and development activity, however, until recently fiber sensors had not been successfully applied in high-temperature engine environme
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Whitesel, Henry K., and Robert K. Hickernell. Optical fiber sensors:. National Institute of Standards and Technology, 1994. http://dx.doi.org/10.6028/nist.ir.5018.

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Zumberge, Mark A., and Jonathan Berger. An Optical Fiber Infrasound Sensor. Defense Technical Information Center, 2006. http://dx.doi.org/10.21236/ada456389.

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Lieberman, Robert A., Manal Beshay, and Steven R. Cordero. Hydrogen Optical Fiber Sensors. Office of Scientific and Technical Information (OSTI), 2008. http://dx.doi.org/10.2172/935171.

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Rabold, D. Fiber optic temperature sensor. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/145843.

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Butler, M. A., R. Sanchez, and G. R. Dulleck. Fiber optic hydrogen sensor. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/251330.

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Onstott, James R. Optical Fiber for Acoustic Sensor Applications. Defense Technical Information Center, 1993. http://dx.doi.org/10.21236/ada261580.

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Weiss, J. Fiber-optic shock position sensor. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/6721455.

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Taylor. NR199202 Fiber Optic Fabry-Perot Sensors for Combustion Chamber Monitor. Pipeline Research Council International, Inc. (PRCI), 1992. http://dx.doi.org/10.55274/r0011145.

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Abstract:
Presently, there is no way to continuously measure pressure and temperature in engines over extended periods of operation. Reliable fiber optic sensor networks supplying data to computerized engine control systems could lead to fuel economies in the millions of dollars per year. The goal of this project is to demonstrate the utilization of a new fiber optic sensor technology in engines used for the pumping of natural gas.
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