Results 51 to 60 of about 200,851 (352)
Energy harvesting over a fiber–optic distributed acoustic sensor
, 2023 Fiber-optic distributed acoustic sensor (DAS) has been deployed for real-time monitoring of various physical phenomena. The operational principle of DAS relies on monitoring backscattered light from a fiber while leaving the pump optical pulses to get ...
Ashry, Islam +6 more
core +1 more source
Multi-channel fiber-optic temperature sensor system using an optical time-domain reflectometer
Results in Physics, 2018 In this study, we developed a multi-channel fiber-optic temperature sensor system (FTSS) using an optical time-domain reflectometer (OTDR). The developed FTSS consists of fiber-optic temperature-sensing probes, a fiber-optic coupler, a transmitting ...
H.J. Kim +6 more
doaj +1 more source
Comparative analysis of the DFB fiber laser and fiber-optic interferometric strain sensors
, 2007 The DFB fiber laser strain sensor is shown to provide an improvement in the minimum detectable length change by a factor of 275 at 2 kHz for an applied strain when compared with an interferometric sensor interrogated by at equivalent DFB laser.
C. K. Kirkendall +5 more
core +1 more source
Optical fiber sensing based on reflection laser spectroscopy [PDF]
, 2010 An overview on high-resolution and fast interrogation of optical-fiber sensors relying on laser reflection spectroscopy is given. Fiber Bragg-gratings (FBGs) and FBG resonators built in fibers of different types are used for strain, temperature and ...
De Natale, Paolo +34 more
core +1 more source
Micromachines, 2021 Over decades, fiber-optic temperature sensors based on conventional single-mode fibers (SMF) have been demonstrated with either high linearity and stability in a limited temperature region or poor linearity and thermal hysteresis in a high-temperature ...
Zhe Zhang +7 more
doaj +1 more source
Optics Express, 2019 A novel parallel structured fiber-optic Fabry-Perot interferometer (FPI) based on Vernier-effect is theoretically proposed and experimentally demonstrated for ultrasensitive strain measurement.
Tong Nan +7 more
semanticscholar +1 more source
Sensors, 2013 Surface plasmon resonance (SPR) sensor is widely used for its high precision and real-time analysis. Fiber-optic SPR sensor is easy for miniaturization, so it is commonly used in the development of portable detection equipment.
Xiaolin Zheng +5 more
doaj +1 more source
Smart Adhesive Joint with High-Definition Fiber-Optic Sensing for Automotive Applications
Sensors, 2020 Structural health monitoring of fiber-reinforced composite-based joints for automotive applications during their manufacturing and on-demand assessment for its durability in working environments is critically needed.
Stephen Young +8 more
doaj +1 more source
Soil total suction sensing using fiber-optic technology
Geoderma, 2023 Measurement of the soil water suction is important for investigating geotechnical problems and mitigating associated risks; however, conventional high-range suction measurement techniques have some limitations for accurate, long-term, and quasi ...
Jun-Yi Guo +7 more
doaj +1 more source
Recent Advances in Plasmonic Sensor-Based Fiber Optic Probes for Biological Applications
Applied Sciences, 2019 The survey focuses on the most significant contributions in the field of fiber optic plasmonic sensors (FOPS) in recent years. FOPSs are plasmonic sensor-based fiber optic probes that use an optical field to measure the biological agents.
M. S. A. Gandhi +5 more
semanticscholar +1 more source