Results 31 to 40 of about 67,383 (255)

A Fiber-Optic Accelerometer Based on Extrinsic Fabry-Perot Interference for Low Frequency Micro-Vibration Measurement

open access: yesIEEE Photonics Journal, 2022
A fiber-optic accelerometer based on extrinsic Fabry-Perot interferometer (EFPI) is reported. The sensor adopts flywheel diaphragm structure as a sensitive element, where the mass block is bonded in the center, while the beam of the flywheel acts as a ...
Peng Zhang   +5 more
doaj   +1 more source

Laser Cladding-based metallic embedding technique for fiber optic sensors [PDF]

open access: yes, 2018
IEEE In many applications in industry, securely attaching fiber optic sensors to metallic structures is important for optimum monitoring, overcoming the limitations of glues and adhesives which are known to degrade under certain circumstances.
Castro, G.   +5 more
core   +1 more source

Fiber optic long period grating sensors with a nanoassembled mesoporous film of SiO2 nanoparticles [PDF]

open access: yes, 2010
A novel approach to chemical application of long period grating (LPG) optical fibers was demonstrated, which were modified with a film nanoassembled by the alternate deposition of SiO2 nanoparticles (SiO2 NPs) and poly(diallyldimethyl ammonium ...
Korposh, Sergiy   +6 more
core   +1 more source

Quasi-Distributed Optical Fiber Sensor for Liquid-Level Measurement

open access: yesIEEE Photonics Journal, 2017
A novel fiber-optic liquid level sensor based on a cross-correlation optical time-domain Fresnel reflection technology is proposed and demonstrated.
Dong Wang   +4 more
doaj   +1 more source

Temperature Sensing Performance of Microsphere Resonators

open access: yesSensors, 2018
In recent years, many temperature sensing devices based on microsphere resonators have emerged, attracting an increasing research interest. For the purpose of this review article, microsphere resonators are divided according to their constituting ...
Jibo Yu   +3 more
doaj   +1 more source

High-performance γ-MnO2 Dual-Core, Pair-Hole Fiber for Ultrafast Photonics

open access: yesUltrafast Science, 2023
Manganese dioxide (MnO2) is a widely used and well-studied 3-dimensional (3D) transition metal oxide, which has advantages in ultrafast optics due to large specific surface area, narrow bandgap, multiple pores, superior electron transfer capability, and ...
Xiaohui Li   +12 more
doaj   +1 more source

APPLICATION OF MICROWAVE PHOTONICS IN FIBER OPTICAL SENSORS [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2020
Microwave photonics is a new scientific and technical area of research, which was formed as a result of intensive development of such fields as fiber, integrated and nonlinear optics, laser physics, optoelectronics and microelectronics.
Evgenii V. Vostrikov   +4 more
doaj   +1 more source

Micro-/Nanofiber Optics: Merging Photonics and Material Science on Nanoscale for Advanced Sensing Technology

open access: yesiScience, 2020
Micro-/nanofibers (MNFs) are optical fibers with diameters close to or below the wavelength of the guided light. These tiny fibers can offer engineerable waveguiding properties including optical confinement, fractional evanescent fields, and surface ...
Lei Zhang, Yao Tang, Limin Tong
doaj   +1 more source

Distributed fiber optics strain sensors: from long to short distance

open access: yesComptes Rendus. Géoscience, 2022
Developed for more than forty years, optical fibers have features that make them particularly attractive for making sensors. One of the strengths of these sensors is that they can measure different physical parameters in a distributed manner over a wide ...
Blanc, Wilfried   +5 more
doaj   +1 more source

On-Line Process Monitoring for Aero-Space Components Using Different Technologies of Fiber Optic Sensors During Liquid Resin Infusion (LRI) Process

open access: yesEngineering Proceedings
The FLASH-COMP project aims to introduce novel inspection and monitoring technologies to develop a digital solution to predict defects during manufacturing, aiming to reach a zero-waste approach in composites manufacturing. Particularly, it’s studied the
Cristian Builes Cárdenas   +5 more
doaj   +1 more source

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