Results 31 to 40 of about 40,631 (247)

Tunable Spacing Dual-Wavelength Q-Switched Fiber Laser Based on Tunable FBG Device

Photonics, 2021
A tunable spacing dual-wavelength Q-switched fiber laser is experimentally demonstrated based on a fiber Bragg grating tunable device incorporated in an erbium-doped fiber laser (EDFL).
Nurnazifah M. Radzi, Amirah A. Latif, Mohammad F. Ismail, Josephine Y. C. Liew, Noor A. Awang, Han K. Lee, Fauzan Ahmad, Siti F. Norizan, Harith Ahmad   +8 more
doaj   +1 more source

The Research of Power Cable On-line Measurement System Based on Fiber Bragg Grating Sensor

Chemical Engineering Transactions, 2016
This paper puts forward a power cable on-line measurement system which is based on fiber Bragg grating. Firstly the paper analyzes several solutions to cable lines temperature measurement, then the best solution to cable temperature measurement should be
J.Y. Shi
doaj   +1 more source

Mitigation of stimulated Raman scattering in a high-power fiber master oscillator power amplifier laser based on a dual-structure fiber grating

High Power Laser Science and Engineering, 2023
With the increasing power of fiber lasers, single chirped and tilted fiber Bragg gratings (CTFBGs) cannot completely mitigate continuously enhanced system-excited stimulated Raman scattering (SRS).
Kerong Jiao, Qingqing Kong, Yangning Guo, Jingwei Li, Chen Wu, Zhigang Han, Rihong Zhu, Hua Shen   +7 more
doaj   +1 more source

New multiplexing scheme for monitoring fiber optic Bragg grating sensors in the coherence domain

, 1997
A new multiplexing scheme for monitoring fiber optic Bragg gratings in the coherence domain has been developed. Grating pairs with different grating distances are distributed along a fiber line, and interference between their reflections is monitored ...
Dakin, J.P., Ecke, W., Rothardt, M., Schauer, J., Usbeck, K., Willsch, R.   +5 more
core   +1 more source

High-speed interferometric FBG interrogator with dynamic and absolute wavelength measurement capability [PDF]

, 2013
A passive, interferometric wavelength demodulation technique has been extended to measure the absolute wavelengths of a multiplexed array of fiber Bragg grating sensors. The scheme retains its original strain resolution of 10 nε/√{Hz}. A proof-of-concept
Johnston, Michael, Niewczas, Pawel, Orr, Philip, Perry, Marcus   +3 more
core   +1 more source

Generalized Resonance Sensor Based on Fiber Bragg Grating

Photonics, 2021
In response to the difficulty of weak detection of early bearing damage, resonance demodulation technology and the principle of fiber Bragg grating sensing strain were combined to design a fiber Bragg grating generalized resonance sensor, which can ...
Xinxin Chen, Enbo Wang, Yali Jiang, Hui Zhan, Hongwei Li, Guohui Lyu, Shuli Sun   +6 more
doaj   +1 more source

A reconfigurable optical header recognition system for optical packet routing applications [PDF]

, 2006
We demonstrate a reconfigurable all-optical packet processing system. The key device is a code-reconfigurable header decoder based on a fiber Bragg grating. The performance of the system is tested for different packet headers, and error-free operation is
Ibsen, M., Petropoulos, P., Richardson, D.J., Tian, C., Zhang, Z.   +4 more
core   +1 more source

Reconstruction of fiber Bragg grating strain profile used to monitor the stiffness degradation of the adhesive layer in carbon fiber–reinforced plastic single-lap joint

Advances in Mechanical Engineering, 2017
The adhesive-bonded joint of carbon fiber–reinforced plastic is one of the core components in aircraft structure design. It is an effective guarantee for the safety and reliability of the aerospace aircraft structure to use effective methods for ...
Song Chunsheng, Zhang Jiaxiang, Yang Mo, Shang Erwei, Zhang Jinguang   +4 more
doaj   +1 more source

FIBER OPTIC MEASUREMENT SYSTEM FOR DETERMINATION OF EXTENDED OBJECT POSITION AND BENDS IN 3D SPACE [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2020
Subject of Research. Fiber optic measurement systems are widely used in various industries. Most of these systems are fiber optic devices for detecting physical quantities.
Daria A. Egorova, Andrey V. Kulikov, Azamat B. Mukhtubaev, Mikhail Yu. Plotnikov   +3 more
doaj   +1 more source

Microstructure-Based Fiber-To-Chip Coupling of Polymer Planar Bragg Gratings for Harsh Environment Applications

Sensors, 2020
This article proposes and demonstrates a robust microstructure-based fiber-to-chip coupling scheme for planar Bragg grating devices. A polymer planar Bragg grating substrate is manufactured and microstructured by means of a micromilling process, while ...
Stefan Kefer, Theresia Sauer, Steffen Hessler, Michael Kaloudis, Ralf Hellmann   +4 more
doaj   +1 more source