Results 21 to 30 of about 38,250 (261)
A High-Sensitivity and Broad-Range SPR Glucose Sensor Based on Improved Glucose Sensitive Membranes
Photonic Sensors, 2019 An improved glucose sensitive membrane (GSM) is prepared by immobilizing glucose oxidase (GOD) onto a mixture of silica mesocellular foams (SiMCFs) and SiO2 nanoparticles (SiNPs) and then trapping it in a polyvinyl alcohol (PVA) gel.
Yinquan Yuan +3 more
doaj +1 more source
Distributed Weak Fiber Bragg Grating Vibration Sensing System Based on 3 × 3 Fiber Coupler
Photonic Sensors, 2018 A novel distributed weak fiber Bragg gratings (FBGs) vibration sensing system has been designed to overcome the disadvantages of the conventional methods for optical fiber sensing networking, which are: low signal intensity in the usually adopted time ...
Wei Li, Jian Zhang
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Sensors, 2023 Fiber optic distributed acoustic sensing (DAS) technology is widely used in security surveillance and geophysical survey applications. The response of the DAS system to external vibrations varies with different types of fiber optic cable connections. The
Ke Jiang +4 more
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A Two Fiber Bragg Gratings Sensing System to Monitor the Torque of Rotating Shaft
Sensors, 2016 By fixing two FBGs on the surface of a rotating shaft along the direction of ±45° and using dynamic wavelength demodulation technology, we propose an optical fiber sensing system to monitor the driving torque and torsion angle of the rotating shaft.
Yongjiao Wang +4 more
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Fiber Optical Hydrogen Sensor Based on WO3-Pd2Pt-Pt Nanocomposite Films
Nanomaterials, 2021 In this paper, WO3-Pd2Pt-Pt nanocomposite films were deposited on a single mode fiber as the hydrogen sensing material, which changes its reflectivity under different hydrogen concentration.
Jixiang Dai +8 more
doaj +1 more source
Optical Fiber Technology [PDF]
Optik & Photonik, 2008 AbstractOptical fibers have a very broad range of applications, where they serve many purposes, such as simply transporting light from a source to some other device, transmitting optically encoded data, sensing temperature or strain in some environment, or generating and amplifying laser light.
openaire +1 more source
Sapphire Fiber Fabry-Perot Sensors With High Fringe Visibility
IEEE Photonics Journal, 2022 It is difficult for sapphire fiber Fabry-Perot (FP) sensors to generate high quality interference fringes because their highly multimode property. In this paper, we report a sapphire fiber FP strain sensing system with high fringe visibility, realized by
Jiawei Zhang +3 more
doaj +1 more source
Optical Fiber Grating Hydrogen Sensors: A Review
Sensors, 2017 In terms of hydrogen sensing and detection, optical fiber hydrogen sensors have been a research issue due to their intrinsic safety and good anti-electromagnetic interference.
Jixiang Dai +6 more
doaj +1 more source
Distributed fiber optic interferometric geophone system based on draw tower gratings
Photonic Sensors, 2017 A distributed fiber optic interferometric geophone array based on draw tower grating (DTG) array is proposed. The DTG geophone array is made by the DTG array fabricated based on a near-contact exposure through a phase mask during the fiber drawing ...
Ruquan Xu, Huiyong Guo, Lei Liang
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Sensors, 2018 A Fabry-Perot interferometric sensor for temperature measurement was fabricated based on a silica glass solid-core photonic crystal fiber with a central air-bore.
Haihu Yu +5 more
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