Results 11 to 20 of about 2,768,398 (266)

Active wavefront shaping for controlling and improving multimode fiber sensor [PDF]

open access: yesJournal of Innovative Optical Health Sciences, 2019
Wavefront shaping (WFS) techniques have been used as a powerful tool to control light propagation in complex media, including multimode fibers. In this paper, we propose a new application of WFS for multimode fiber-based sensors.
Tianting Zhong   +5 more
doaj   +1 more source

Surface Plasmon Plastic Optical Fiber Resonance with Multi-Layer as Chemical Sensor

open access: yesIraqi Journal of Physics, 2021
A chemical optical fiber sensor based on surface plasmon resonance (SPR) was developed and implemented using multimode plastic optical fiber. The sensor is used to detect and measure the refractive index and concentration of various chemical materials ...
Emad Khatar, Sudad Salman Bassam
doaj   +1 more source

Strain and temperature sensors using multimode optical fiber Bragg gratings and correlation signal processing [PDF]

open access: yes, 2002
Multimode fiber optic Bragg grating sensors for strain and temperature measurements using correlation signal processing methods have been developed. Two multimode Bragg grating sensors were fabricated in 62/125 m graded-index silica multimode fiber ...
Jones, BE, Jackson, PR, Lim, J, Yang, QP
core   +1 more source

Novel Method for Improving the Capacity of Optical MIMO System Using MGDM [PDF]

open access: yes, 2014
In current local area networks, multimode fibers (MMFs), primarily graded index (GI) MMFs, are the main types of fibers employed for data communications.
Dayoub, Iyad   +7 more
core   +1 more source

Design of Low-Cost Multimode Fiber Fed Indoor Wireless Networks [PDF]

open access: yes, 2006
A low-cost option for transporting global system for mobile communication, Universal Mobile Telecommunication System and wideband local area network (WLAN) signals using multimode fiber (MMF) with 850-nm vertical-cavity surface-emitting lasers (VCSELs ...
Batchelor, John C.   +5 more
core   +1 more source

Deep learning of ultrafast pulses with a multimode fiber

open access: yesAPL Photonics, 2020
Characterizing ultrashort optical pulses has always been a critical but difficult task, which has a broad range of applications. We propose and demonstrate a self-referenced method of characterizing ultrafast pulses with a multimode fiber. The linear and
Wen Xiong   +5 more
doaj   +1 more source

Simultaneous Dual Band Transmission Over Multimode Fiber-Fed Indoor Wireless Network [PDF]

open access: yes, 2006
Performance measurements of different combinations of digital enhanced cordless telecommunications packet radio service, global system for mobile communications, universal mobile telecommunication service, and 802.11g (54 Mbps) signals in a dual band ...
Lethien, Christophe   +7 more
core   +1 more source

Investigation of mode coupling in strained and unstrained multimode step-index POFs using the Langevin equation

open access: yesHeliyon, 2023
The Langevin equation (LE) is used to evaluate mode coupling in multimode step-index polymer optical fiber (SI POF) that is both unstrained and strained.
Svetislav Savović   +3 more
doaj   +1 more source

Discretized Conical Waves in Multimode Optical Fibers [PDF]

open access: yesPhysical Review Letters, 2021
Multimode optical fibers are essential in bridging the gap between nonlinear optics in bulk media and single-mode fibers. The understanding of the transition between the two fields remains complex due to intermodal nonlinear processes and spatiotemporal couplings, e.g., some striking phenomena observed in bulk media with ultrashort pulses have not yet ...
Kibler, Bertrand, Béjot, Pierre
openaire   +3 more sources

Multilevel modulated signal transmission over serial single-mode and multimode fiber links using vertical-cavity surface-emitting lasers for millimeter-wave wireless communications [PDF]

open access: yes, 2007
Quadrature phase-shift keying, 16 quadrature amplitude modulation (QAM), and 64-QAM data transmission-Worldwide Interoperability for Microwave Access modulation schemes-at 6 and 20 MS/s is demonstrated for a link that emulates a cost-effective 1.55-m ...
Shen, Pengbo   +3 more
core   +1 more source

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