Results 21 to 30 of about 207,458 (283)
Sensors, 2018 Multi-point vibration sensing at the low frequency range of 0.5–100 Hz is of vital importance for applications such as seismic monitoring and underwater acoustic imaging.
Yi Li +7 more
doaj +1 more source
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
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
doaj +1 more source
Electrospun Amplified Fiber Optics
ACS Applied Materials & Interfaces, 2015 27 pages, 8 ...
Morello G +3 more
openaire +5 more sources
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
doaj +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
IEEE AccessThe time-division multiplexed linear Sagnac sensing system significantly reduces the cost of interferometric fiber-optic sensor arrays and holds substantial potential for engineering applications.
Kun Jia +5 more
doaj +1 more source
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
doaj +1 more source
IEEE AccessIt is crucial in a wide range of applications based on optical fiber interferometry to precisely measure the length difference. In this article, a method of measuring the optical path difference between two arms of an optical fiber interferometer system ...
Xin Lai +7 more
doaj +1 more source