Utilization of photon orbital angular momentum in the low-frequency radio domain

B Thidé, H Then, J Sjöholm, K Palmer, J Bergman… - Physical review …, 2007 - APS
We show numerically that vector antenna arrays can generate radio beams that exhibit spin
and orbital angular momentum characteristics similar to those of helical Laguerre-Gauss …

Dynamic properties of ionospheric plasma turbulence driven by high-power high-frequency radiowaves

SM Grach, EN Sergeev, EV Mishin… - Physics-Uspekhi, 2016 - iopscience.iop.org
A review is given of the current state-of-the-art of experimental studies and the theoretical
understanding of nonlinear phenomena that occur in the ionospheric F-layer irradiated by …

The “Sura” facility: Study of the atmosphere and space (a review)

VV Belikovich, SM Grach, AN Karashtin… - Radiophysics and …, 2007 - Springer
We present a short review of research using “Sura,” a multipurpose radio facility of the
Radiophysical Research Institute of Nizhny Novgorod, which is aimed at studying space, the …

Artificial ionospheric layers driven by high‐frequency radiowaves: An assessment

E Mishin, B Watkins, N Lehtinen… - Journal of …, 2016 - Wiley Online Library
High‐power ordinary mode radio waves produce artificial ionization in the F region
ionosphere at the European Incoherent Scatter (Tromsø, Norway) and High Frequency …

Radio pumping of ionospheric plasma with orbital angular momentum

TB Leyser, L Norin, M McCarrick, TR Pedersen… - Physical review …, 2009 - APS
Experimental results are presented of pumping ionospheric plasma with a radio wave
carrying orbital angular momentum (OAM), using the High Frequency Active Auroral …

Investigation of ionospheric stimulated Brillouin scatter generated at pump frequencies near electron gyroharmonics

A Mahmoudian, WA Scales, PA Bernhardt, H Fu… - Radio …, 2013 - ieeexplore.ieee.org
Stimulated Electromagnetic Emissions (SEEs), secondary electromagnetic waves excited by
high power electromagnetic waves transmitted into the ionosphere, produced by the …

Angular Momentum of Electromagnetic Radiation. Fundamental physics applied to the radio domain for innovative studies of space and development of new concepts …

J Sjöholm, K Palmer - arXiv preprint arXiv:0905.0190, 2009 - arxiv.org
In this diploma thesis we study the characteristics of electromagnetic fields carrying orbital
angular momentum (OAM) by analyzing and utilizing results achieved in optics and then …

Electron Gyroharmonic Effects in Ionization and Electron Acceleration<? format?> during High-Frequency Pumping in the Ionosphere

B Gustavsson, TB Leyser, M Kosch, MT Rietveld… - Physical review …, 2006 - APS
Optical emissions and incoherent scatter radar data obtained during high-frequency
electromagnetic pumping of the ionospheric plasma from the ground give data on electron …

Стенд" СУРА": исследования атмосферы и космического пространства (обзор)

ВВ Беликович, СМ Грач, АН Караштин… - Известия высших …, 2007 - elibrary.ru
Приведён краткий обзор исследований на стенде «Сура»—многофункциональном
радиокомплексе Научно-исследовательского радиофизического института …

Exploring HF-induced ionospheric turbulence by Doppler sounding and stimulated electromagnetic emissions at the High Frequency Active Auroral Research …

EN Sergeev, AV Shindin, SM Grach, GM Milikh… - Radio …, 2016 - ieeexplore.ieee.org
We report on the features of the F region plasma perturbations during HF heating
experiments at the High Frequency Active Auroral Research Program facility in March–April …