Results 1 to 10 of about 39,844 (217)

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

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

High-Speed Mach-Zehnder-OTDR Distributed Optical Fiber Vibration Sensor Using Medium-Coherence Laser

open access: yesPhotonic Sensors, 2018
This article presents a high-speed distributed vibration sensing based on Mach-Zehnder-OTDR (optical time-domain reflectometry). Ultra-weak fiber Bragg gratings (UWFBG), whose backward light intensity is 2-4 orders of magnitude higher than that of ...
Yuheng Tong   +4 more
doaj   +1 more source

A High-Sensitivity Dual-Axis Accelerometer with Two FP Cavities Assembled on Single Optical Fiber

open access: yesSensors, 2022
In this paper, a dual-axis Fabry–Pérot (FP) accelerometer assembled on single optical fiber is proposed. The sensor is equipped with a special beam-splitting prism to split the light into two perpendicular directions (the X- and Y-axes); the prism ...
Bolun Zheng   +5 more
doaj   +1 more source

Drawing Tower In-Line Fabrication and the Spectrum Analysis of Sampled Fiber Grating

open access: yesPhotonic Sensors, 2019
Sampled fiber grating is a special superstructure fiber Bragg grating with a wide range of applications in many fields. In this work, based on drawing tower in-line fabrication system, a new preparation method of the sampled fiber grating is proposed and
Yu Zheng   +5 more
doaj   +1 more source

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