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physics.optics2024
Radiation of surface polaritons by an annular beam coaxially enclosing a cylindrical waveguide
A. A. Saharian, G. V. Chalyan, L. Sh. Grigoryan +2
We investigate the radiation of surface polaritons by an annular beam that coaxially encloses a cylindrical waveguide surrounded by a homogeneous medium. By using the Green dyadic,…
physics.optics2019★ 5 cited
Synchrotron radiation from a charge circulating around a cylinder with negative permittivity
A. A. Saharian, A. S. Kotanjyan, L. Sh. Grigoryan +2
We investigate the radiation from a charged particle rotating around a dielectric cylinder with a negative real part of dielectric permittivity. For the general case of frequency d…