Results 61 to 70 of about 906,320 (164)
A Nearly Perfect Implementation of a Broadband Optical Null Media via Space‐Folding
Laser &Photonics Reviews, EarlyView.A space‐folding optical null medium with impedance‐matching layers enables broadband directional wave projection and wavefront engineering. By tailoring the folding ratio and dilution ratio, the structure maintains near‐unity transmittance over 5–9 GHz.
Yichao Liu, Jiale Li, Fei Sun, Qin Liao
wiley +1 more source
Introduction: Counter-Terrorism and the Terrorist State [PDF]
, 2012 of terrorism to that committed by nonstate actors, or by otherwise ignoring or overlooking state terrorism, develops a way of thinking about terrorism that effectively constructs states, particularly Western states, always as the victims and never the ...
Whyte, David +3 more
core
Revisiting optical absorption power density of inhomogeneous plane waves
Results in OpticsWe review the analytical expressions for the complex Poynting’s vector in the case of arbitrary plane-waves in a lossy isotropic medium. We demonstrate how these expressions can be used to recover the optical absorption power density Q, considering the ...
Aurelien Bruyant +2 more
doaj +1 more source
Manipulation of Energy Flow with X-Type Vortex
Photonics, 2022 In this study, a new method for manipulating energy flow in a 3D vector field is proposed. In this method, an azimuthally-polarized beam with a noncanonical vortex, the X-type vortex, is focused in a high-numerical aperture system.
Han Zhang +3 more
doaj +1 more source
Quantifying Non‐Maxwellian Properties of Ion Populations During Reconnection at Earth's Magnetopause
Geophysical Research Letters, Volume 53, Issue 19, 16 October 2026.Abstract We investigate ion velocity‐space features within the exhaust of magnetopause reconnection using a global hybrid‐Vlasov simulation. The Hermite transform and Gaussian Mixture Model (GMM) are applied to quantify the complexity of velocity‐space structures that arise during the mixing of magnetospheric and magnetosheath ion populations.
I. Zaitsev +7 more
wiley +1 more source
Visualization of a surface wave in an elastic medium via the complex Poynting vector
, 1998 The complex Poynting vector can be used to visualize not only the flow of energy in an elastodynamic solid, but also the wave itself passing through the elastic medium.
Dean, Cleon, Braselton, James P.
core +1 more source
Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.Abstract This study presents a high‐resolution three‐dimensional global magnetohydrodynamic (MHD) simulation of the historic geomagnetic storm of 10–11 May 2024, using observational data for the ACE solar wind input. This extreme event was characterized by intense solar wind dynamic pressure (∼50 nPa) and exceptionally strong interplanetary magnetic ...
Kyung Sun Park
wiley +1 more source
Outrageous! Moral Panics in Austalia [PDF]
, 2007 What was Cronulla about? What really prompted 5,000 people to take the beach to bash people of 'Middle Eastern' appearance?\ud \ud When Macquarie Fields exploded into flames as Molotov cocktails were hurled at police, was it just a car crash that ...
Poynting, S
core
Geophysical Research Letters, Volume 53, Issue 17, 16 September 2026.Abstract Satellite observations during ionospheric modification experiments have reported trans‐ionospheric high‐frequency (HF) wave propagation even when the pump frequency lies below the peak plasma frequency. Such behavior is often attributed to large‐scale density irregularities that locally permit ordinary‐mode (O‐mode) propagation, but this does ...
Danish Naeem, Dong‐Hun Lee, Kihong Kim
wiley +1 more source
Nanophotonics, Volume 15, Issue 17, 11 September 2026.Rolling‐enabled transfer printing introduces mechanical orientation as a new degree of freedom for heterogeneous silicon photonics. A conventional TE‐like photonic‐crystal nanobeam laser is mechanically rotated by 90° to selectively couple with the TM‐like mode of a silicon waveguide, enabling polarization‐diverse functionality without redesigning the ...
Byoung Jun Park +8 more
wiley +1 more source