Results 91 to 100 of about 22,346 (302)

Frequency response of underwater ultrasonic transducers in the near field using polarimetric polarization maintaining fiber sensors [PDF]

open access: yes, 2010
Near-field ultrasonic response (50-2000 kHz) of an underwater 1-3 piezocomposite transducer is experimentally investigated using a polarimetric polarization maintaining fiber sensor.
Hayward, Gordon   +14 more
core   +1 more source

Clinical Practice Guideline for Evaluation and Management of Peripheral Nervous System Manifestations in Sjögren's Disease

open access: yesArthritis Care &Research, EarlyView.
Objective Sjögren's disease is an autoimmune disorder that can impact multiple organ systems, including the peripheral nervous system (PNS). PNS manifestations, which can exist concurrently, include mononeuropathies, polyneuropathies, and autonomic nervous system neuropathies.
Anahita Deboo   +88 more
wiley   +1 more source

Comparative analysis of the DFB fiber laser and fiber-optic interferometric strain sensors

open access: yes, 2007
The DFB fiber laser strain sensor is shown to provide an improvement in the minimum detectable length change by a factor of 275 at 2 kHz for an applied strain when compared with an interferometric sensor interrogated by at equivalent DFB laser.
C. K. Kirkendall   +5 more
core   +1 more source

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

A Large Area Fiber Optic Gyroscope on multiplexed fiber network [PDF]

open access: yes, 2013
We describe a fiber optical gyroscope based on the Sagnac effect realized on a multiplexed telecom fiber network. Our loop encloses an area of 20 km2 and coexists with Internet data traffic.
LEVI, FILIPPO   +13 more
core   +1 more source

Recent Developments in Micro-Structured Fiber Optic Sensors

open access: yesFibers, 2017
Recent developments in fiber-optic sensing have involved booming research in the design and manufacturing of novel micro-structured optical fiber devices.
Yanping Xu   +3 more
doaj   +1 more source

Fiber optic sensing technologies potentially applicable for hypersonic wind tunnel harsh environments

open access: yesAdvances in Aerodynamics, 2020
Advanced sensing techniques are in big demand for applications in hypersonic wind tunnel harsh environments, such as aero(thermo)dynamics measurements, thermal protection of aircraft structures, air-breathing propulsion, light-weighted and high-strength ...
Huacheng Qiu, Fu Min, Yanguang Yang
doaj   +1 more source

A Numerical–Experimental Approach for Multi‐Matrix Fiber‐Reinforced Plastics Characterization Using Finite Element Model Updating

open access: yesAdvanced Engineering Materials, EarlyView.
A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora   +4 more
wiley   +1 more source

Dual Temperature and Strain Measurement with the Combined Fluorescence Lifetime and Bragg Wavelength Shift Approach in Doped Optical Fiber

open access: yes
We have constructed fiber-optic sensors to measure temperature and strain by combining the properties of fiber Bragg gratings with the fluorescent lifetimes of various doped fibers.
Wade, Scott A.   +4 more
core   +1 more source

Fibre Optic Sensors with Nano-Structured Coatings. [PDF]

open access: yes, 2006
A review of optical fibre devices employing nano-structured coatings is presented. Active and passive coatings, deposited using the Langmuirâ  Blodgett and electro-static self-assembly techniques, have been utilised to influence the transmission ...
Tatam, Ralph P., James, Stephen W.
core   +1 more source

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