Results 11 to 20 of about 249,846 (294)

Contactless vital signs monitoring based on few-mode and multi-core fibers

open access: yesOpto-Electronic Advances, 2020
Few-mode and multi-core fibers are proposed and demonstrated for contactless vital signs monitoring in this paper. In-line optical fiber interferometers using few-mode and multi-core fibers are designed and offset splicing is utilized for mode excitation.
Tan Fengze   +4 more
doaj   +3 more sources

Single-core multi-channel moiré fiber grating and multi-wavelength LMA fiber grating fabricated based on two-dimensional spatially encoded phase mask

open access: yesAIP Advances, 2022
A two-dimensional optical fiber grating with multi sub-gratings based on a 2D spatially encoded phase mask is designed in this study. The 2D fiber Bragg grating (FBG) is composed of two non-overlapping sub-FBGs, which are laterally separated along the ...
Zonglun Che   +6 more
doaj   +1 more source

Astronomical Applications of Multi-Core Fiber Technology [PDF]

open access: yes, 2020
Optical fibers have altered astronomical instrument design by allowing for a complex, often large instrument to be mounted in a remote and stable location with respect to the telescope.
Cvetojevic, Nick   +2 more
core   +2 more sources

Neural networks within multi-core optic fibers [PDF]

open access: yesScientific Reports, 2016
AbstractHardware implementation of artificial neural networks facilitates real-time parallel processing of massive data sets. Optical neural networks offer low-volume 3D connectivity together with large bandwidth and minimal heat production in contrast to electronic implementation.
Eyal Cohen   +5 more
openaire   +2 more sources

A Novel Catheter Shape-Sensing Method Based on Deep Learning with a Multi-Core Optical Fiber

open access: yesSensors, 2023
In this paper, we propose a novel shape-sensing method based on deep learning with a multi-core optical fiber for the accurate shape-sensing of catheters and guidewires.
Fei Han   +3 more
doaj   +1 more source

Complex Wavefront Shaping through a Multi-Core Fiber

open access: yesApplied Sciences, 2021
Wavefront shaping through a multi-core fiber (MCF) is turning into an attractive method for endoscopic imaging and optical cell-manipulation on a chip.
Jiawei Sun   +2 more
doaj   +1 more source

Multi-core Fiber Technology

open access: yes, 2021
Traditional single-mode fiber capacity issues will be mitigated by using space-division multiplexing in future 5G, IoT, and M2M networks. Multi-core fibers are expected as a good candidate for overcoming the capacity limit of a current optical communication system.
Irfan, Anis, Muhammad, Hamdan, Ali,
openaire   +3 more sources

Compact and high-performance vortex mode sorter for multi-dimensional multiplexed fiber communication systems [PDF]

open access: yes, 2020
With the amplitude, time, wavelength/frequency, phase, and polarization/spin parameter dimensions of the light wave/photon almost fully utilized in both classical and quantum photonic information systems, orbital angular momentum (OAM) carried by optical
Chen, Yujie   +8 more
core   +2 more sources

Overview of Fibre Optic Sensing Technology in the Field of Physical Ocean Observation

open access: yesFrontiers in Physics, 2021
Fiber optic sensors are expected to be an auxiliary measurement tool in the field of ocean observation due to their small size, easy networking, intrinsic immunity to electromagnetic interference, and many other advantages.
Li Wang   +6 more
doaj   +1 more source

Research Progress in Tunable Fiber Lasers Based on Multimode Interference Filters

open access: yesMicromachines, 2023
Tunable fiber lasers have the advantages of good beam quality, high integration, and adjustable output wavelength, and they are widely used in fields such as optical fiber communication and optical fiber sensing.
Liqiang Zhang   +5 more
doaj   +1 more source

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