Results 11 to 20 of about 11,037,086 (263)

Optical skyrmion lattice in evanescent electromagnetic fields [PDF]

open access: yesScience, 2018
Generating a lattice of optical skyrmions The topological properties of systems can be robust to defects and imperfections. Skyrmions are one such topological entity, which resemble “hedgehog-like” structures. Tsesses et al.
S. Tsesses   +5 more
semanticscholar   +1 more source

Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics

open access: yesLight: Science & Applications, 2023
Free-space optical (FSO) communication technologies constitute a solution to cope with the bandwidth demand of future satellite-ground networks. They may overcome the RF bottleneck and attain data rates in the order of Tbit/s with only a handful of ...
Yannik Horst   +14 more
doaj   +1 more source

Non‐ideal behavior of ZVS inverter comprising variable and fixed frequency operation: Analysis, compensation, and verification

open access: yesPower Electronic Devices and Components, 2022
This paper presents a study of a two-level inverter. It proposes a modulation scheme for inverters featuring zero-voltage switching (ZVS) with both fixed and variable switching frequency operation. The control scheme uses a hybrid method to determine the
Benedikt Kohlhepp   +2 more
doaj   +1 more source

Electron transfer in confined electromagnetic fields. [PDF]

open access: yesJournal of Chemical Physics, 2019
The interaction between molecular (atomic) electron(s) and the vacuum field of a reflective cavity generates significant interest, thanks to the rapid developments in nanophotonics.
A. Semenov, A. Nitzan
semanticscholar   +1 more source

Generalized Efficiency and the Uncertainty of Millimeter Wave Power Standard [PDF]

open access: yesAdvances in Radio Science, 2023
In the last decade, waveguide thermoelectric power sensors have been established as an alternative to thermistor mounts for millimeter wave power standards, and due to the detection principle and the nature of waveguides, the generalized efficiency is ...
W. K. Perangin-Angin   +4 more
doaj   +1 more source

Near-field radiation pattern distortion of antenna attached to wall in through-the-wall radar imaging [PDF]

open access: yesAdvances in Radio Science, 2013
No abstract available.
B. Cetin   +2 more
doaj   +1 more source

Holographic imaging of electromagnetic fields via electron-light quantum interference [PDF]

open access: yesScience Advances, 2018
The quantum interference between ultrafast light and electron pulses enables the holographic reconstruction of nanoscale fields. Holography relies on the interference between a known reference and a signal of interest to reconstruct both the amplitude ...
I. Madan   +9 more
semanticscholar   +1 more source

Yield Optimization using Hybrid Gaussian Process Regression and a Genetic Multi-Objective Approach [PDF]

open access: yesAdvances in Radio Science, 2021
Quantification and minimization of uncertainty is an important task in the design of electromagnetic devices, which comes with high computational effort.
M. Fuhrländer   +3 more
doaj   +1 more source

Extreme matter in electromagnetic fields and rotation [PDF]

open access: yesProgress in Particle and Nuclear Physics, 2018
We look over recent developments on our understanding about relativistic matter under external electromagnetic fields and mechanical rotation. I review various calculational approaches for concrete physics problems, putting my special emphasis on ...
K. Fukushima
semanticscholar   +1 more source

Synopsis of IEEE Std C95.1™-2019 “IEEE Standard for Safety Levels With Respect to Human Exposure to Electric, Magnetic, and Electromagnetic Fields, 0 Hz to 300 GHz”

open access: yesIEEE Access, 2019
The newly released IEEE Std C95.1™-2019 defines exposure criteria and associated limits for the protection of persons against established adverse health effects from exposures to electric, magnetic, and electromagnetic fields, in the frequency range 0 Hz
William H. Bailey   +22 more
semanticscholar   +1 more source

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