Results 71 to 80 of about 60,127 (297)

Smart Polymer Composite Deck Monitoring Using Distributed High Definition and Bragg Grating Fiber Optic Sensing

open access: yesSensors, 2022
Fiber-reinforced polymer composites are an excellent choice for bridge decks due to high strength, lightweight, resistance to corrosion, and long-term durability with a 100-year design life.
Stephen Young   +8 more
doaj   +1 more source

Advances in Safe, Flexible, and Stretchable Batteries for Wearable Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Unlike previous reviews centered on component‐based deformability, this work highlights safety‐driven design strategies for flexible and stretchable batteries. By integrating material‐level engineering, geometry‐controlled structures, biocompatibility, and self‐protection mechanisms, it establishes a unified framework that connects mechanical ...
Hyewon Kang   +4 more
wiley   +1 more source

Fiber Bragg Grating Sensors and Sensor Arrays [PDF]

open access: yesAdvances in Science and Technology, 2008
Fiber Bragg gratings have found widespread application in sensor systems, e. g. for temperature, strain or refractive index measurements. The concept of fiber Bragg gratings allows also in a simple way the realisation of arrays of such sensors. The development of such optical fiber sensor systems often requires special fibers and grating structures ...
openaire   +1 more source

Fiber Bragg Gratings with Micro‐Engineered Temperature Coefficients

open access: yesAdvanced Optical Materials, Volume 13, Issue 8, March 13, 2025.
Fiber Bragg gratings (FBGs) are intrinsically responsive to temperature and strain simultaneously. In this research, low‐loss FBGs with micro‐engineered temperature coefficients are fabricated, utilizing refractive index liquid‐filled microchannels in the cladding.
Zipei Song   +8 more
wiley   +1 more source

Optical fiber sensor for ultrasonic detection at high temperature

open access: yesNihon Kikai Gakkai ronbunshu, 2017
Because of the stable material property of optical fiber up to 1000℃, fiber-optic Bragg grating (FBG) sensor is considered as one of possible ultrasonic sensors used at ultrahigh temperature.
Fengming YU, Yoji OKABE
doaj   +1 more source

RTM production monitoring of the A380 hinge arm droop nose mechanism: a multi-sensor approach [PDF]

open access: yes, 2016
his research presents a case study of production monitoring on an aerospace composite component: the hinge arm of the droop nose mechanism on the Airbus A380 wing leading edge.
Chiesura, Gabriele   +7 more
core   +2 more sources

Novel Knob-integrated fiber Bragg grating sensor with polyvinyl alcohol coating for simultaneous relative humidity and temperature measurement.

open access: yesOptics Express, 2015
A novel high performance optical fiber sensor for simultaneous measurement of relative humidity (RH) and temperature based on our newly designed knob-integrated fiber Bragg grating (FBG) is proposed and experimentally demonstrated.
G. Yan   +3 more
semanticscholar   +1 more source

A Multi‐Resonant Tunable Fabry‐Pérot Cavity for High Throughput Spectral Imaging

open access: yesAdvanced Optical Materials, Volume 13, Issue 8, March 13, 2025.
This study introduces a multi‐resonant tunable Fabry‐Pérot filter for high throughput spectral imaging. With a spectral resolution of 10 nm and a switching time of 23 ms, this compact and low‐cost device possesses better spectral imaging accuracy in poor light conditions while maintaining over six times higher optical throughput than standard liquid ...
Xiao Wu   +5 more
wiley   +1 more source

Interrogation procedure for double addressed fiber Bragg structures as sensors of radiophotonic fewsensor system

open access: yesФизика волновых процессов и радиотехнические системы, 2018
Microwave photonic sensor systems represent a wide class of information systems with measurement conversion that use standardized analog and parallel links of parallel and sequential type with filtering, allowing to functionally displaying the ...
A.Zh. Sakhabutdinov, O.G. Morozov
doaj  

Flexible protection architectures using distributed optical sensors [PDF]

open access: yes, 2012
In this paper we describe recent developments in flexible protection schemes that make use of passive fibre Bragg grating (FBG) based transducers for the distributed measurement of voltage and current.
Beaumont, Phil   +7 more
core   +1 more source

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