Results 1 to 10 of about 176,095 (309)
Optical Fiber Networks for Remote Fiber Optic Sensors [PDF]
Sensors, 2012 This paper presents an overview of optical fiber sensor networks for remote sensing. Firstly, the state of the art of remote fiber sensor systems has been considered.
Montserrat Fernandez-Vallejo +1 more
doaj +5 more sources
Estimation of temperature detection delay in a fiber optic gyroscope sensing coil [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2021 The use of algorithmic temperature compensation requires that the external temperature sensor data and the thermal response of the fiber optic sensor should be synchronized.
Daniil S. Smirnov +5 more
doaj +1 more source
Photocatalytic synergistic biofilms enhance tetracycline degradation and conversion
Environmental Science and Ecotechnology, 2023 Tetracyclines are refractory pollutants that cause persistent harm to the environment and human health. Therefore, it is urgently necessary to develop methods to promote the efficient degradation and conversion of tetracyclines in wastewater. This report
Chuanbao Xiao +9 more
doaj +1 more source
Sensors, 2022 The demodulation algorithm based on 3 × 3 coupler in a fiber-optic hydrophone array has gained extensive attention in recent years. The traditional method uses a circulator to construct the normal path-match interferometry; however, the problem of ...
Yandong Pang +5 more
doaj +1 more source
Galloping Vibration Monitoring of Overhead Transmission Lines by Chirped FBG Array
Photonic Sensors, 2022 A distributed online fiber sensing system based on the phase-sensitive optical time domain reflectometer (Φ-OTDR) enhanced by the drawing tower fiber Bragg grating (FBG) array is presented and investigated experimentally for monitoring the galloping of ...
Qizhong Yan +5 more
doaj +1 more source
Overview of Fibre Optic Sensing Technology in the Field of Physical Ocean Observation
Frontiers in Physics, 2021 Fiber optic sensors are expected to be an auxiliary measurement tool in the field of ocean observation due to their small size, easy networking, intrinsic immunity to electromagnetic interference, and many other advantages.
Li Wang +6 more
doaj +1 more source
A iber optic vibration sensor based on SMF-MMF-SMF structure and a tilted iber Bragg grating [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2021 The paper proposes a version of realization for a fiber optic vibration sensor. The sensor possesses a wide range of operation frequencies with such interrogation devices as optical power meters.
Andrei A. Dmitriev +3 more
doaj +1 more source
Microbend fiber-optic sensor [PDF]
Applied Optics, 1984 Intensity modulation induced by microbending in multimode fibers is considered as a transduction mechanism for detecting environmental changes such as pressure, temperature, acceleration, and magnetic and electric fields. A generic microbend sensor has been defined and studied, and its components, such as sensing fiber, light source, optical fiber ...
N, Lagakos, J H, Cole, J A, Bucaro
openaire +2 more sources
Fiber-Optic Chemical Sensors and Fiber-Optic Bio-Sensors [PDF]
Sensors, 2015 This review summarizes principles and current stage of development of fiber-optic chemical sensors (FOCS) and biosensors (FOBS). Fiber optic sensor (FOS) systems use the ability of optical fibers (OF) to guide the light in the spectral range from ultraviolet (UV) (180 nm) up to middle infrared (IR) (10 μm) and modulation of guided light by the ...
Marie Pospíšilová +2 more
openaire +4 more sources
2D-Vector Magnetic Sensing Based on Ring-Shaped Fiber-Optic Structure Coated with Magnetic Fluid
Micromachines, 2023 In this work, a novel fiber-optic sensor for 2D magnetic sensing is explored based on nanostructured magnetic fluid. The fiber-optic sensor comprises a ring-shaped fiber structure that is coated with magnetic fluid.
Qijing Lin +4 more
doaj +1 more source