Results 201 to 210 of about 15,120 (254)
Development and Performance Analysis of a U-Shaped Fiber Optic Sensor for Soil Water Content Measurement. [PDF]
Sensors (Basel)Sabetimani A, Bashir R, Rizvi R.
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A UV-Cured Polymer/Aluminum-Microparticle Photothermal Encapsulated Liquid-Filled Fiber Mach-Zehnder Interferometric Hot-Wire Anemometer. [PDF]
Sensors (Basel)Lee CL, Hsieh WH, Chen WJ, Han P.
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Annals of Biomedical Engineering, 1983
The theory, construction and performance of a catheter tip optical PCO2 probe is described. The sensor, called the Opticap, is made with plastic fiber optics. One fiber carries light to the sensitive tip which is a silicone rubber tube 0.6 mm dia. X 1.0 mm long filled with a phenol red-KHCO3 solution.
G G, Vurek +2 more
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The theory, construction and performance of a catheter tip optical PCO2 probe is described. The sensor, called the Opticap, is made with plastic fiber optics. One fiber carries light to the sensitive tip which is a silicone rubber tube 0.6 mm dia. X 1.0 mm long filled with a phenol red-KHCO3 solution.
G G, Vurek +2 more
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IEEE SENSORS 2014 Proceedings, 2014
A fiber optic curvature sensor based on discrete Fiber Bragg gratings inscribed in a multi-core fiber is presented. The individual cores of the multi-core fiber are each interrogated by a custom-built spectrometer running at up to 20 kHz. They are interfaced with a custom-tapered combiner of single-core fibers fusion spliced to the multi-core fiber ...
Leyendecker, Patrick, Haslinger, Robert
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A fiber optic curvature sensor based on discrete Fiber Bragg gratings inscribed in a multi-core fiber is presented. The individual cores of the multi-core fiber are each interrogated by a custom-built spectrometer running at up to 20 kHz. They are interfaced with a custom-tapered combiner of single-core fibers fusion spliced to the multi-core fiber ...
Leyendecker, Patrick, Haslinger, Robert
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Environmental Monitoring and Assessment, 2015
We describe a low-cost fiber optic sensor for measuring photosynthetically active radiation (PAR) in turbulent flow. Existing technology was combined in a novel way for probe development addressing the need for a small but durable instrument for use in flowing water. Optical components including fiber optics and a wide-spectrum light detector were used
Wayne, Chudyk, Kyle F, Flynn
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We describe a low-cost fiber optic sensor for measuring photosynthetically active radiation (PAR) in turbulent flow. Existing technology was combined in a novel way for probe development addressing the need for a small but durable instrument for use in flowing water. Optical components including fiber optics and a wide-spectrum light detector were used
Wayne, Chudyk, Kyle F, Flynn
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A fiber-optic temperature sensor
Automation and Remote Control, 2013In this paper we demonstrate the feasibility of designing a fiber-optic temperature sensor based on the principles of low-coherent tandem interferometry; the sensitive element represents a plane-parallel plate produced from fused silica of thickness 500 µm (the corresponding measurement range is between 40 and 90°C).
Petr V. Volkov +5 more
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Fiber Optical Intensity Sensors
IEEE Journal on Selected Areas in Communications, 1983Fiber optical intensity sensors are made of optical fibers connected to a miniaturized optical sensor which is based on either a mechanical light valve, a light scattering process, a photoemission or photoabsorption process, or the transmission property of the optical fiber itself.
Shi-Kay Yao, Charles K. Asawa
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Fiber-optical sensors as transducers
IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477), 2003The paper considers a possibility of using fiber-optical sensors (FOS) as transducers. There are described and compared main advantages and disadvantages of analogue and pulse FOS. There are presenting results of estimating of metrological and quantitative precise opportunities of analog FOS.
Y. Savenko +4 more
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An intrinsic fiber optic temperature sensor
IMTC/98 Conference Proceedings. IEEE Instrumentation and Measurement Technology Conference. Where Instrumentation is Going (Cat. No.98CH36222), 2000This paper deals with a new fiber optic temperature sensor. The relationship between temperature and refractive index of a "reference" liquid is used to obtain a sensing fiber output that follows temperature changes of an external fluid with very low response time.
Giovanni Betta, Antonio Pietrosanto
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