Results 1 to 10 of about 38,151 (162)

Wearable Fiber Optic Technology Based on Smart Textile: A Review. [PDF]

open access: yesMaterials (Basel), 2019
Gong Z   +6 more
europepmc   +2 more sources

Improved Performance Fiber Bragg Grating Hydrogen Sensor Based on Pt/WO3 Nanosheets and Nafion Hybrid Coatings [PDF]

open access: yesNanomaterials
Reliable detection of hydrogen leakage is essential for the safe operation of hydrogen-related facilities. In this work, we propose a compact fiber Bragg grating (FBG) hydrogen sensor that exhibits high sensitivity.
Wenhui Zhou   +6 more
doaj   +2 more sources

Optical fiber sensor technology [PDF]

open access: yesIEEE Journal of Quantum Electronics, 1982
The current state of the art of optical fiber sensors is reviewed. The principles of operation are detailed and the various types of fiber sensors are outlined. Achievable performance and limitations are discussed and a description of technology used to fabricate the sensor is presented. The characteristics of acoustic, magnetic, gyro, laser diode, and
Giallorenzi, Thomas G.   +6 more
openaire   +3 more sources

FBG Arrays for Quasi-Distributed Sensing: A Review

open access: yesPhotonic Sensors, 2021
Fiber Bragg grating (FBG) array is a powerful technique for quasi-distributed sensing along the entire length of sensing fiber with fast response and high precision. It has been widely used for temperature, strain, and vibration monitoring.
Chengli Li   +4 more
doaj   +1 more source

A Medium-Frequency Fiber Bragg Grating Accelerometer Based on Flexible Hinges

open access: yesSensors, 2021
Mediumfrequency fiber Bragg grating (FBG) acceleration sensors are used in important applications in mechanical, aerospace and weapon equipment, and have strict requirements in terms of resonance frequency and sensitivity.
Zichuang Li   +5 more
doaj   +1 more source

CDs-Peroxyfluor Conjugation for Ratiometric Fluorescence Detection of Glucose and Shortening Its Detection Time from Reaction Dynamic Perspective

open access: yesBiosensors, 2023
A ratiometric fluorescence probe based on the conjugation of peroxyfluor-NHS (PF) and carbon dots (CDs) was designed for selective and rapid detection of glucose.
Yangjie Li   +4 more
doaj   +1 more source

2D and 3D Shape Sensing Based on 7-Core Fiber Bragg Gratings

open access: yesPhotonic Sensors, 2020
A fiber-optic shape sensing based on 7-core fiber Bragg gratings (FBGs) is proposed and experimentally demonstrated. The investigations are presented for two-dimensional and three-dimensional shape reconstruction by distinguishing bending and twisting of
Tianting Lai   +5 more
doaj   +1 more source

Versatile Vibration Sensing Using a Tapered Photonic Crystal Fiber With a Featured Core

open access: yesIEEE Photonics Journal, 2020
On the basis of intensity modulation, a vibration sensor using a tapered photonic crystal fiber (PCF) is demonstrated. The fiber is a solid-core PCF with a central air hole embedded in the core region.
Haihu Yu   +4 more
doaj   +1 more source

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