0000000001019490

AUTHOR

J. L. Marquina

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Electromagnetic scattering by a strip grating with nonplanar illumination

1993

An angular-spectrum method combined with the Galerkin procedure has been used to evaluate the electromagnetic scattering of a beam radiated by an aperture antenna after being incident obliquely upon a strip grating. Integral expressions for the transmitted and reflected fields are obtained. The incident beam radiated by the antenna is diffracted in several beams corresponding to the propagative Floquet harmonics. An angular shift of the transmitted and reflected fundamental harmonic beams has been shown. Comparison between numerical and experimental results validates this method. © 1993 John Wiley & Sons, Inc.

PhysicsDiffractionScatteringbusiness.industryAntenna apertureGratingCondensed Matter PhysicsAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic MaterialsOpticsHarmonicsHarmonicPhysics::Accelerator PhysicsElectrical and Electronic EngineeringAntenna (radio)businessBeam (structure)Computer Science::Information TheoryMicrowave and Optical Technology Letters
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