Results 31 to 40 of about 14,209,054 (299)
Hollow-core photonic crystal fibers for Power-over-Fiber systems
, 2022 Research achievements in hollow-core photonic crystal fibers technology allow ascertaining such fibers as outstanding platforms for delivering high-power laser beams.
Cristiano M. B. Cordeiro (3942227) +6 more
core +1 more source
Fiber-Optic Pyrometer with Optically Powered Switch for Temperature Measurements
Sensors, 2018 We report the experimental results on a new infrared fiber-optic pyrometer for very localized and high-speed temperature measurements ranging from 170 to 530 °C using low-noise photodetectors and high-gain transimpedance amplifiers with a single gain ...
Carmen Vázquez +7 more
doaj +1 more source
Experiments on Shared- and Dedicated- Power over Fiber Scenarios in Multi-core Fibers [PDF]
2019 European Conference on Networks and Communications (EuCNC), 2019 We explore the potential of optical power delivery in multicores fibers, either using individual cores only for power or to share both data and power signals into the same core. A comparison between both scenarios in terms of power levels for different link lengths and number of elements required is provided.
Carmen Vázquez +3 more
openaire +1 more source
Radio- and Power-Over-Fiber Integration for 6G Networks: Challenges and Future Prospects
IEEE AccessThe rapid evolution of wireless communication networks has fueled the demand for high-speed data transmission and low-latency connectivity. As the world looks toward the development of sixth-generation (6G) Networks, the need for innovative power ...
Leticia Carneiro de Souza +2 more
doaj +1 more source
Nonlinearity and Noise Effects in Multi-level Signal Millimeter-Wave over Fiber Transmission using Single- and Dual-Wavelength Modulation [PDF]
, 2010 We transmit multilevel quadrature amplitude modulation (QAM) data-IEEE 802.16 schemes-at 20 MSps and an orthogonal frequency-division multiplexing (OFDM) 802.11 g signal (54 Mbps) with a 25 GHz millimeter-wave over fiber system, which employs a dual ...
Jeanne James +9 more
core +1 more source
Photonics Breakthroughs 2024: Advances in B5G Radio-Power Over Fiber Fronthaul
IEEE Photonics JournalSpecific demands of providing power to equipment in remote areas or hazardous environments, including populated areas, requiring high throughputs and ultra-low latency in beyond 5G (B5G) mobile communications that are based on Radio over Fiber (RoF) have
C. Vazquez +5 more
doaj +1 more source
Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system
FEBS Letters, EarlyView.Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley +1 more source
From mice to humans—divergent strategies for intestinal homeostasis and regeneration
FEBS Letters, EarlyView.Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa +2 more
wiley +1 more source
Photonics, 2022 We demonstrated a simple design of a monolithic all-fiber side-coupled combiner for counter-pumped amplifiers that requires no special fiber processing systems for fabrication.
Konstantin Bobkov +5 more
doaj +1 more source
150-W Power-Over-Fiber Using Double-Clad Fibers [PDF]
Journal of Lightwave Technology, 2020 This article presents simultaneous data and power transmission systems using a double-clad fiber (DCF). In future radio-over-fiber (RoF) networks, a large number of remote antenna units (RAUs) will be required to provide various kinds of mobile communication services. Power-over-fiber (PWoF), which delivers electrical power to drive the RAUs in optical
Motoharu Matsuura +3 more
openaire +1 more source