Gratings composed of helically conducting cylinders

The problem is the diffraction by a grating composed of helically conducting cylinders of radius b with twirl angle /spl Psi/, irradiated by an arbitrarily polarized normally incident plane electromagnetic wave. The helical curves are taken to be right-handed. The grating spacing p is assumed to be...

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Bibliographic Details
Main Authors: Chuprin, A., Korshumova, Y., Shatrov, A., Sivov, A.
Format: Conference Proceeding
Language:English
Subjects:
Boundary conditions
Conductivity
Electromagnetic wave polarization
Engine cylinders
Gratings
Magnetic shielding
Optical reflection
Resonance
Wire
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Summary:The problem is the diffraction by a grating composed of helically conducting cylinders of radius b with twirl angle /spl Psi/, irradiated by an arbitrarily polarized normally incident plane electromagnetic wave. The helical curves are taken to be right-handed. The grating spacing p is assumed to be less than the wavelength /spl lambda/. That ensures the absence of lateral spectra. Two classes of gratings are considered: with perfect electric and magnetic conductivity of the cylinders simultaneously, and with the electric conductivity only.
DOI:10.1109/MMET.1996.565781