Results 111 to 120 of about 405,286 (224)

Detecting Bubbles Rising in a Standing Liquid Column Using a Fibre Bragg Grating Grid

open access: yesJournal of Nuclear Engineering
Fibre Bragg grating (FBG) grid sensors are an underexplored technology with potential to benefit nuclear thermal hydraulics experiments. This paper presents a new FBG grid sensor consisting of 38 FBGs across 8 flow-crossing chords.
Harvey Oliver Plows, Marat Margulis
doaj   +1 more source

Heterogeneous Integration of Multi‐Band Mode‐Locked and Single‐Mode Lasers on an Extended Commercial SiN Platform

open access: yesLaser &Photonics Reviews, EarlyView.
Micro‐transfer printing enables GaAs and InP gain materials to be integrated on a commercial silicon nitride photonic platform. The resulting chip supports O‐ and C‐band comb and single‐mode lasers, demonstrating a scalable route toward multi‐material, multi‐wavelength, and multifunctional integrated light sources.
Dongbo Wang   +12 more
wiley   +1 more source

Preliminary View of a Smart Technique for Materials Testing in the Laboratory using FBG Sensor

open access: yesMATEC Web of Conferences, 2018
Simple experiments for calibrating Fibre Bragg Grating (FBG) in order to measure strain and temperature have been successfully demonstrated in this study. This will allow convenient use of FBG sensor in the laboratory for measuring quantities.
Balarabe Isah W.   +3 more
doaj   +1 more source

Applications of Fibre Bragg Gratings to Telecommunications

open access: yesBragg Gratings, Photosensitivity, and Poling in Glass Waveguides, 1999
A modern telecommunications network may utilise many tens of wavelengths simultaneously on a single fibre, with individual channel bit rates of 10Gb/s or above.
openaire   +2 more sources

Stark‐Tunable O‐Band Single‐Photon Sources Based on Deterministically Fabricated Quantum Dot ‐ Circular Bragg Gratings on Silicon

open access: yesLaser &Photonics Reviews, EarlyView.
Electrically contacted circular Bragg grating resonators incorporating InGaAs quantum dots directly grown on silicon enable bright, telecom O‐band single‐photon emission with wide‐range electrical tuning. A record quantum‐confined Stark shift of 16 nm is combined with high photon extraction efficiency, excellent single‐photon purity > 99.9%, and robust
Sarthak Tripathi   +7 more
wiley   +1 more source

Fibre Bragg gratings for dispersion compensation [PDF]

open access: yes, 1997
Broadband chirped fibre gratings allow the upgrade of the existing non-dispersion shifted fibre network to high data rate operation within the 1.55µm low-loss window. The design, fabrication, performance and application of these devices is covered.
Laming, R.I.   +6 more
openaire  

Intelligent Continuum Micromachines in Complex Confined Spaces

open access: yesSmartBot, EarlyView.
The cover depicts a conceptual design for an intelligent continuum micromachine entering a target capsule used in fusion‐energy research through its slender gas‐fill tube. By combining route‐adaptive deformation, embedded sensing, and a functional end effector, the robot could inspect hidden defects, assess local conditions, and support localized ...
Huayang Sai   +7 more
wiley   +1 more source

Liquid Resin Infusion process monitoring with embedded superimposed long period and short period Bragg grating sensor.

open access: yesEPJ Web of Conferences, 2010
We propose here the monitoring of the Liquid Resin Infusion (LRI) process for using a superimposed long period (LPG) and short period (FBG) Bragg grating sensor.
Robert L.   +3 more
doaj   +1 more source

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