A MEMS Fiber-Optic Fabry-Perot Vibration Sensor for High-Temperature Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3168350
Abstract: An extrinsic high-temperature fiber-optic Fabry-Perot vibration sensor based on MEMS technology is described and experimentally demonstrated. The sensitive unit consists of four cross beams with a central seismic mass batch-fabricated on a silicon wafer. The… read more here.
Keywords: high temperature; fiber optic; temperature; vibration sensor ... See more keywords
Biaxial FBG Vibration Sensor With a Single Edge Filter and Matching Demodulation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3227050
Abstract: This work developed, simulated, and characterized a high sensitivity vibration sensor for low-frequency applications. The fiber Bragg grating (FBG) overlapping method was used to demodulate the wavelength shift of the sensing gratings, but only one… read more here.
Keywords: tex math; inline formula; fbg; vibration sensor ... See more keywords
Using Compressive Sampling to Fill Interbatch Data Gap From Low-Cost IoT Vibration Sensor
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3151051
Abstract: A low-cost wireless vibration sensor can be built using a 3-axis accelerometer, such as ADXL345, attached to a low-cost Wi-Fi microchip, such as ESP8266. In an Internet of Things (IoT) setting, a large number of… read more here.
Keywords: cost; low cost; compressive sampling; vibration sensor ... See more keywords
A Novel Fiber Bragg Grating Vibration Sensor Based on Orthogonal Flexure Hinge Structure
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.2969559
Abstract: A novel two-dimensional (2-D) fiber Bragg grating (FBG) vibration sensor based on an orthogonal flexure hinge structure has been proposed in this paper. The elastic element of this sensor which contains an inertial body, flexure… read more here.
Keywords: vibration sensor; flexure hinge; vibration; structure ... See more keywords
Miniature Structure Optimization of Small-Diameter FBG-Based One-Dimensional Optical Fiber Vibration Sensor
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2021.3120139
Abstract: We proposed a miniature one-dimensional vibration sensor based on a small-diameter fiber Bragg grating in this paper. The working principle and theoretical model of the FBG vibration sensor were deduced and established theoretically. A genetic… read more here.
Keywords: vibration sensor; fbg; sensor; small diameter ... See more keywords
Temperature-independent vibration sensor based on Fabry–Perot interferometer using a fiber Bragg grating approach
Sign Up to like & getrecommendations! Published in 2022 at "Optical Engineering"
DOI: 10.1117/1.oe.61.3.037101
Abstract: Abstract. An innovative vibration sensor based on a Fabry–Perot interferometer (FPI) using fiber Bragg grating (FBG) reflectors was demonstrated in this work. The sensor was designed to be compact and easy to fabricate, independent of… read more here.
Keywords: based fabry; vibration sensor; fabry perot; temperature ... See more keywords
A biomimetic vibration sensor using a symmetric electrodes metal core piezoelectric fiber
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Intelligent Material Systems and Structures"
DOI: 10.1177/1045389x17730908
Abstract: A biomimetic vibration sensor to sense external vibrations was designed based on the hair receptor of insects similar to the water strider. Platinum core piezoelectric ceramic fiber body was prepared by squeeze and press method.… read more here.
Keywords: vibration; core piezoelectric; vibration sensor; fiber ... See more keywords
Distributed vibration sensor with a lasing phase-sensitive OTDR.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.476182
Abstract: The authors experimentally demonstrate the operation of a lasing phase-sensitive optical time-domain reflectometer (Φ-OTDR) based on random feedback from a sensing fiber. Here, the full output of the laser provides the sensing signal, in contrast… read more here.
Keywords: lasing phase; phase sensitive; vibration sensor; distributed vibration ... See more keywords
High-Performance Piezoelectric-Type MEMS Vibration Sensor Based on LiNbO3 Single-Crystal Cantilever Beams
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13020329
Abstract: It is a great challenge to detect in-situ high-frequency vibration signals for extreme environment applications. A highly sensitive and robust vibration sensor is desired. Among the many piezoelectric materials, single-crystal lithium niobate (LiNbO3) could be… read more here.
Keywords: mems vibration; frequency; vibration sensor; vibration ... See more keywords
Self-Powered Galvanic Vibration Sensor
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13040530
Abstract: The development of the IoT demands small, durable, remote sensing systems that have energy harvesters and storage. Various energy harvesters are developed, including piezoelectric, triboelectric, electromagnetic, and reverse-electrowetting-on-dielectric. However, integrating energy storage and sensing functionality… read more here.
Keywords: self powered; vibration sensor; vibration; sensor ... See more keywords
Phase shifting interferometry based on a vibration sensor - feasibility study on elimination of the depth degeneracy
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Korean Physical Society"
DOI: 10.3938/jkps.70.687
Abstract: We proposed novel phase-shifting interferometry using a fiber-optic vibration sensor. The Doppler shift in the coiled fiber caused by vibrations can be used to detect the vibrations by using a fiber-optic interferometer. The principle can… read more here.
Keywords: phase; shifting interferometry; vibration; vibration sensor ... See more keywords