Results 31 to 40 of about 8,380,848 (286)

Wireless Photometry Prototype for Tri-Color Excitation and Multi-Region Recording

open access: yesMicromachines, 2022
Visualizing neuronal activation and neurotransmitter release by using fluorescent sensors is increasingly popular. The main drawback of contemporary multi-color or multi-region fiber photometry systems is the tethered structure that prevents the free ...
Aatreya Chakravarti   +6 more
doaj   +1 more source

Optical generation and wireless transmission of 60 GHz OOK signals using gain switched laser [PDF]

open access: yes, 2010
We present a novel, simple and cost effective system for optical millimeter-wave generation and transmission of 3 Gbps data based on gain switching.
Anandarajah, Prince M.   +3 more
core   +2 more sources

Vertical Cavity Surface Emitting Laser Performance Maturing through Machine Learning for High-Yield Optical Wireless Network

open access: yesMicromachines, 2022
The high-yield optical wireless network (OWN) is a promising framework to strengthen 5G and 6G mobility. In addition, high direction and narrow bandwidth-based laser beams are enormously noteworthy for high data transmission over standard optical fibers.
Ammar Armghan   +4 more
doaj   +1 more source

Wireless data transmission for high energy physics applications

open access: yesEPJ Web of Conferences, 2017
Silicon tracking detectors operated at high luminosity collider experiments pose a challenge for current and future readout systems regarding bandwidth, radiation, space and power constraints.
Dittmeier Sebastian   +21 more
doaj   +1 more source

Optical power allocation for adaptive transmissions in wavelength-division multiplexing free space optical networks

open access: yesDigital Communications and Networks, 2015
Attracting increasing attention in recent years, the Free Space Optics (FSO) technology has been recognized as a cost-effective wireless access technology for multi-Gigabit rate wireless networks.
Hui Zhou, Shiwen Mao, Prathima Agrawal
doaj   +1 more source

Controllable hybrid plasmonic integrated circuit

open access: yesScientific Reports, 2023
In this paper, a controllable hybrid plasmonic integrated circuit (CHPIC) composed of hybrid plasmonic waveguide (HPW)-based rhombic nano-antenna, polarization beam splitter, coupler, filter, and sensor has been designed and investigated for the first ...
Maryam Khodadadi   +3 more
doaj   +1 more source

Optimisation of Lambertian order for indoor non-directed optical wireless communication [PDF]

open access: yes, 2012
This paper studies the optimised Lambertian order (OLO) of light-emitting diodes (LEDs) for an indoor non-directed line of sight optical wireless communication (NLOS-OWC) systems.
Ghassemlooy, Zabih   +11 more
core   +1 more source

Impact of coupled ground wire interference on the precision of electric field sensors

open access: yesiEnergy, 2023
Electric field measurement holds immense significance in various domains. The power supply and signal acquisition units of the sensor may be coupled with ground wire interference, which could result in reduced measurement accuracy. Moreover, this problem
Xinting Liu   +7 more
doaj   +1 more source

Data Detection and Code Channel Allocation for Frequency-Domain Spread ACO-OFDM Systems Over Indoor Diffuse Wireless Channels [PDF]

open access: yes, 2014
Future optical wireless communication systems promise to provide high-speed data transmission in indoor diffuse environments. This paper considers frequency-domain spread asymmetrically clipped optical orthogonal frequency-division multiplexing (ACOOFDM)
Chen, Ming   +4 more
core   +1 more source

Isolated sensor networks for high-voltage environments using a single polymer optical fiber and LEDs for remote powering as well as data transmission [PDF]

open access: yesJournal of Sensors and Sensor Systems, 2018
Many applications in high voltage or explosive environments require sensors which are electrically isolated from other components of a system. These sensors need remote powering as well as wireless or isolated data transmission links.
J. Fischer   +6 more
doaj   +1 more source

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