Articles with "polymer optical" as a keyword



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Modified polymer optical fiber sensors for crude oil refractive index monitoring

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Published in 2020 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-020-03754-4

Abstract: The oil concentration as a petroleum quality parameter is an eternal mystery that determines the oil value. We report detection of crude oil refractive index (RI) changes by modified polymer optical fiber (POF) sensor which… read more here.

Keywords: modified polymer; oil refractive; polymer optical; crude oil ... See more keywords
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Optimization of novel melt-extruded polymer optical fibers designed for pressure sensor applications

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Published in 2017 at "European Polymer Journal"

DOI: 10.1016/j.eurpolymj.2016.12.032

Abstract: Abstract We report on the production, characterization, and textile integration of polymer optical fibers (POF) to develop a flexible photonic sensor. Mono-component POFs were produced continuously by melt-extrusion. Advantageously for pressure sensing, the un-clad fibers… read more here.

Keywords: optimization novel; pressure sensor; polymer optical; sensor ... See more keywords
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Two-year vascular responses to drug-eluting stents with biodegradable polymer versus durable polymer: An optical coherence tomography sub-study of the NEXT.

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Published in 2017 at "Journal of cardiology"

DOI: 10.1016/j.jjcc.2017.04.005

Abstract: BACKGROUND This study aimed to compare very late vascular response after stent implantation between everolimus-eluting stent (EES) with a thin, non-adhesive, durable, biocompatible fluorinated polymer and biolimus-eluting stent (BES) with a biodegradable polymer by optical… read more here.

Keywords: optical coherence; biodegradable polymer; study; polymer optical ... See more keywords
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High stability of polymer optical fiber with dye doped cladding for illumination systems

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Published in 2017 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2016.12.039

Abstract: Abstract In this work, the photodegradation of a polymer optical fiber with Rhodamine doped cladding as a function of illumination time and excitation intensity is presented. To show the effect of photodegradation on different bulk… read more here.

Keywords: polymer optical; doped cladding; stability; dye doped ... See more keywords
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Improved extrinsic polymer optical fiber sensors for gamma-ray monitoring in radioprotection applications

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Published in 2017 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2017.02.001

Abstract: Abstract Gamma radiation detection in the range of 662 keV, the reference for environmental protection, is done through extrinsic optical fiber sensors. The fluorescence rendered by an inorganic scintillator when irradiated with such gamma rays is… read more here.

Keywords: radioprotection applications; fiber sensors; fiber; polymer optical ... See more keywords
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Cross Effect of Strain and Temperature on Brillouin Frequency Shift in Polymer Optical Fibers

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Published in 2017 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2017.2689331

Abstract: The strain–temperature cross-sensitivity effect on the Brillouin frequency shift (BFS) in polymer optical fibers (POFs) is fully investigated. First, we show that the strain coefficient of the BFS is dependent on the temperature. In the… read more here.

Keywords: strain temperature; temperature; brillouin frequency; frequency shift ... See more keywords
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Plane-by-Plane Written, Low-Loss Polymer Optical Fiber Bragg Grating Arrays for Multiparameter Sensing in a Smart Walker

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Published in 2019 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2019.2921419

Abstract: In this paper, we report the development of fiber Bragg gratings (FBGs) arrays in polymer optical fibers (POFs), specifically cyclic transparent optical polymer (CYTOP) fibers, using a femtosecond (fs) laser. The CYTOP is almost transparent… read more here.

Keywords: plane; smart walker; fiber bragg; polymer optical ... See more keywords
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Recent Progress in Polymer Optical Fiber Light Sources and Fiber Bragg Gratings

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Published in 2017 at "IEEE Journal of Selected Topics in Quantum Electronics"

DOI: 10.1109/jstqe.2016.2616451

Abstract: Research directed toward polymer optical fiber light source generation and polymer optical fiber Bragg gratings to be part of a novel all-polymer sensor system, integrating a light source with a sensor, are reported. It is… read more here.

Keywords: fiber bragg; fiber; polymer optical; fiber light ... See more keywords
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Solution-Mediated Annealing of Polymer Optical Fiber Bragg Gratings at Room Temperature

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Published in 2017 at "IEEE Photonics Technology Letters"

DOI: 10.1109/lpt.2017.2678481

Abstract: In this letter, we investigate the response of poly(methylmethacrylate) (PMMA) microstructured polymer optical fiber Bragg gratings (POFBGs) after immersion in methanol/water solutions at room temperature. As the glass transition temperature of solution-equilibrated PMMA differs from… read more here.

Keywords: bragg gratings; fiber bragg; temperature; fiber ... See more keywords
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Tapered Polymer Optical Fiber Sensors for Monitoring the Steel Bar Corrosion

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Published in 2021 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2021.3097405

Abstract: The reinforcement corrosion detection has received considerable attention in the field of structural health monitoring (SHM) due to the rising awareness about the safety and longevity of reinforced building structures particularly the steel bars. In… read more here.

Keywords: steel; tapered polymer; steel bar; polymer optical ... See more keywords
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Sensor for measuring extremely large strain based on bending Polymer optical fiber

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Published in 2017 at "Instruments and Experimental Techniques"

DOI: 10.1134/s0020441217020245

Abstract: A Polymer optical fiber (POF) strain sensor with extremely large measurement range is described. The maximum strain of 60% was achieved by partially removing the POF cladding and core. The standard deviation of strain measurements… read more here.

Keywords: polymer optical; large strain; extremely large; strain ... See more keywords