نتایج جستجو برای: polarization profile

تعداد نتایج: 285997  

Mohammad Hossein Miran Baygi, Pejhman Ghassemi

Introduction: The human skin is an active medium from the optical point of view. Therefore, the diagnostic and therapeutic techniques employing light are increasing. Current optical techniques are based on the measurement of the intensity of reflected absorbed or backscattered light from or within skin. Studies have shown that biological tissues, and in particular skin, demonstrate polarization...

Journal: :IEEE Access 2021

In this paper, a low-profile folded reflectarray (FRA) assembled by an anisotropic metasurface is proposed to generate high-efficiency and broadband orbital angular momentum (OAM) vortex waves in the Ka band. order suppress mutual coupling increase polarization conversion efficiency, dual-polarization phase matching method (DPPMM) for helical wavefront construction developed achieve minimum com...

2013
p. capizzi

The acquisition of three-component high-density seismic data in WARR surveys, aimed at the two or three-dimensional modelling of buried structures, makes it possible to apply statistical-analysis techniques to estimate the propagation parameters of waves. The availability of the three components allows the use of the information about the state of the seismic wave polarization in order to filte...

Journal: :Astrophysical Journal Supplement Series 2022

Ly-alpha emitting galaxies and giant blobs (LABs) have been extensively observed to study the formation history of galaxies. However, origin their extended emission, especially LABs, remains controversial. Polarization signals from some LABs discovered, this is commonly interpreted as strong evidence supporting that emission originates resonance scattering. The Monte Carlo radiative transfer co...

Journal: :Nano letters 2008
Yanghai Yu Vladimir Protasenko Debdeep Jena Huili Grace Xing Masaru Kuno

While the polarization sensitivity of single or aligned NW ensembles is well-known, this article reports on the existence of residual photocurrent polarization sensitivities in random NW networks. In these studies, CdSe and CdTe NWs were deposited onto glass substrates and contacted with Au electrodes separated by 30-110 microm gaps. SEM and AFM images of resulting devices show isotropically di...

2008
José L. Gómez Alan P. Marscher Svetlana G. Jorstad Iván Agudo

We present a sequence of 12 monthly polarimetric 15, 22, and 43 GHz VLBA observations of the radio galaxy 3C 120 revealing a systematic presence of gradients in Faraday rotation and degree of polarization across and along the jet. The degree of polarization increases with distance from the core and toward the jet edges, and has an asymmetric profile in which the northern side of the jet is more...

Delineation of oxide and sulfide zones in mineral deposits, especially in gold deposits, is one of the most essential steps in an exploration project that has been traditionally carried out using the drilling results. Since in most mineral exploration projects there is a limited drilling dataset, application of geophysical data can reduce the error in delineation of the sulfide and oxide zones....

This paper presents a general formulation to investigate the scattering from Multilayer Lossy Inhomogeneous Metamaterial Planar Structure (MLIMPS) with arbitrary number of layers and polarization. First, the dominating differential equation of transverse components of electromagnetic fields in each layers derived. Considering the general form of solution of the differential equations and the bo...

Silica phases were precipitated on aluminum surface by potentiostatic plasma electrolysis technique. Aqueous sodium silicate solutions with different concentrations were used for this purpose. SEM, EDS, XRD, surface profiles and polarization curves were used to study coatings properties. The results showed that the growth of the silica containing phases on aluminum surface was promoted by incre...

Journal: :Applied sciences 2022

A low-profile dual-polarized magneto-electric dipole (MED) is presented in this communication. The low profile was achieved using meander slots on the vertical magneto dipole, reducing antenna height to 0.15λ0, where λ0 wavelength of center frequency. Relatively, proposed MED structure easier process and more stable than traditional structure. broadband performance for 5G Applications realized ...

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