Results 11 to 20 of about 36,174 (312)

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

Opto-Mechatronics System for Train-Track Micro Deformation Sensing

open access: yesSensors, 2021
In this paper, we proposed and experimentally demonstrated an opto-mechatronics system to detect the micro-deformation of tracks caused by running trains.
Weibing Gan   +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

Design and Measurement of a Dual FBG High-Precision Shape Sensor for Wing Shape Reconstruction

open access: yesSensors, 2021
FBG shape sensors based on soft substrates are currently one of the research focuses of wing shape reconstruction, where soft substrates and torque are two important factors affecting the performance of shape sensors, but the related analysis is not ...
Huifeng Wu   +5 more
doaj   +1 more source

Optical Fiber Technology 2012

open access: yesInternational Journal of Electronics and Telecommunications, 2013
Abstract The Conference on Optical Fibers and Their Applications, Nałȩczów 2012, in its 14th edition, which has been organized since more than 35 years, has summarized the achievements of the local optical fiber technology community, for the last year and a half.
Romaniuk, Ryszard S., Wójcik, Waldemar
openaire   +4 more sources

Multiple-Octave-Spanning Vibration Sensing Based on Simultaneous Vector Demodulation of 499 Fizeau Interference Signals from Identical Ultra-Weak Fiber Bragg Gratings Over 2.5 km

open access: yesSensors, 2018
Multi-point vibration sensing at the low frequency range of 0.5–100 Hz is of vital importance for applications such as seismic monitoring and underwater acoustic imaging.
Yi Li   +7 more
doaj   +1 more source

Difunctional Hydrogel Optical Fiber Fluorescence Sensor for Continuous and Simultaneous Monitoring of Glucose and pH

open access: yesBiosensors, 2023
It is significant for people with diabetes to know their body’s real-time glucose level, which can guide the diagnosis and treatment. Therefore, it is necessary to research continuous glucose monitoring (CGM) as it gives us real-time information about ...
Yangjie Li   +5 more
doaj   +1 more source

Development of Optical Fiber Technology in Poland

open access: yesInternational Journal of Electronics and Telecommunications, 2011
Development of Optical Fiber Technology in PolandIn this paper, the authors, chairmen of the 13th Conference on Optical Fibers and Their Applications OFA2011, and editors of the conference proceedings summarize the development of optical fiber technology in Poland (during the period of 2009-2011) on the basis of papers presented there and consecutively
Ryszard S. Romaniuk, Jan Dorosz
openaire   +2 more sources

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