Results 91 to 100 of about 72,240 (296)

Bound states in the continuum (BIC) accompanied by avoided crossings in leaky-mode photonic lattices

Nanophotonics, 2020
When two nonorthogonal resonances are coupled to the same radiation channel, avoided crossing arises and a bound state in the continuum (BIC) appears with appropriate conditions in parametric space. This paper presents numerical and analytical results on
Lee Sun-Goo, Kim Seong-Han, Kee Chul-Sik
doaj   +1 more source

Broadband Wireless Communication Systems for Vacuum Tube High-Speed Flying Train

Applied Sciences, 2020
A vactrain (or vacuum tube high-speed flying train) is considered as a novel proposed rail transportation approach in the ultra-high-speed scenario. The maglev train can run with low mechanical friction, low air resistance, and low noise mode at a speed ...
Chencheng Qiu, Liu Liu, Botao Han, Jiachi Zhang, Zheng Li, Tao Zhou   +5 more
doaj   +1 more source

Spontaneous symmetry breaking of self-trapped and leaky modes in quasi-double-well potentials

, 2016
We investigate competition between two phase transitions of the second kind induced by the self-attractive nonlinearity, viz., self-trapping of the leaky modes, and spontaneous symmetry breaking (SSB) of both fully trapped and leaky states.
Dror, Nir, Karpierz, Miroslaw A., Malomed, Boris A., Trippenbach, Marek, Zegadlo, Krzysztof B.   +4 more
core   +1 more source

Influence of an Argon/Silane Atmosphere on the Temperature of a Thermal Plasma

Advanced Engineering Materials, EarlyView.
The influence of a silane‐doped argon atmosphere on the chemical composition and temperature of a thermal nontransferring argon plasma is investigated using optical emission spectroscopy. As a result of the high amount of free electrons resulting from the stepwise ionization and dissociation of the silane molecule, even a silane addition of 0.01 vol ...
Lena Kreie, David Kramer, Thomas Scheithauer, Hans Jürgen Maier, Thomas Hassel   +4 more
wiley   +1 more source

Leaky interface phonons in AlGaAs/GaAs structures

, 2000
A dispersion equation for the interface waves has been derived for the interface of two cubic crystals in the plane perpendicular to [001]. A reasonable hypothesis has been made about the total number of the acoustic modes.
Efros, A. L., Ponomarev, I. V.
core   +1 more source

Handbook of Establishing and Maintaining Oxygen‐Free Atmospheres

Advanced Engineering Materials, EarlyView.
This study presents a practical framework for creating oxygen‐free atmospheres at ambient pressure using silane‐doped inert gases. The results show that ultra‐low oxygen levels and strongly reduced water content can be achieved through controlled silane dosing, drying systems, and sensor monitoring.
Sascha Jan Zimmermann, René Gustus, Lienhard Wegewitz, Wolfgang Maus‐Friedrichs   +3 more
wiley   +1 more source

The Low-Attenuation Endfire Leaky-Wave State on an Optically Transparent Lossy Film

Engineering
The development of high-performance optically transparent radio frequency (RF) radiators is limited by the intrinsic loss issue of transparent conductive films (TCFs).
Ziheng Zhou, Yongjian Zhang, Yilin Zheng, Ke Chen, Yueming Gao, Yuehe Ge, Yue Li, Yijun Feng, Zhizhang (David) Chen   +8 more
doaj   +1 more source

Surface Tension Measurement of Ti‐6Al‐4V by Falling Droplet Method in Oxygen‐Free Atmosphere

Advanced Engineering Materials, EarlyView.
In this article, the temperature‐dependent surface tension of free falling, oscillating Ti‐6Al‐4V droplets is investigated in both argon and monosilane doped, oxygen‐free atmosphere. Droplet temperature and oscillation are captured with one single high‐speed camera, and the surface tension is calculated with Rayleigh's formula.
Johannes May, Finn‐Lennard Janthur, Lena Kreie, Michael Müller, Sarah Seffer, Nick Schwarz, Jörg Hermsdorf, Thomas Hassel, Stefan Kaierle, Ludger Overmeyer   +9 more
wiley   +1 more source

Entangled two atoms through different couplings and the thermal noise

, 2003
The entanglement of two atoms is studied when the two atoms are coupled to a single-mode thermal field with different couplings. The different couplings of two atoms are in favor of entanglement preparation: it not only makes the case of absence ...
Beige A Cable H Knight P L, Bennett C H, Browne D E, Duan L M, Gardiner C W, H S Song, L Zhou, Plenio M B, Wang X, X X Yi, Y Q Quo, Yi X X, Zhou L, Zhou L   +13 more
core   +1 more source

Leaky modes in graded fibres

Electronics Letters, 1975
Leaky modes, particularly tunnelling leaky modes, in step-index fibres are well known, but they are also present in graded fibres, in which case they are much more likely to cause errors in calculations and measurements, for example, transmission measurements, since they cannot be distinguished by any simple means from bound modes.
openaire   +1 more source