Design-Oriented Parametrization of Truncated Periodic-Strip Gratings

Lawrence Carin; Leopold B. Felsen

doi:10.1109/75.153622

Design-Oriented Parametrization of Truncated Periodic-Strip Gratings

Lawrence Carin, Leopold B. Felsen

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6 Scopus citations

Abstract

Spectral domain asymptotics are used to develop a hybrid (ray)-(Floquet mode) parametrization that models time-harmonic plane-wave interaction with a truncated grating of periodically spaced, coplanar, infinitesimally thin, perfectly conducting strips in free space. By distinctly displaying the edge effects as well as the truncated Floquent mode contributions from the body of the grating, the model—which is valid in the near and far zones—contains the necessary ingredients for finite-grating design; the truncated Floquent modes are based on those for the finite grating. Plane-wave diffraction results computed from the model are shown to agree very well with numerical reference data generated by a (spectral domain)-(method of moments) algorithm. © 1992, IEEE. All rights reserved.

Original language	English (US)
Pages (from-to)	367-369
Number of pages	3
Journal	IEEE Microwave and Guided Wave Letters
Volume	2
Issue number	9
DOIs	https://doi.org/10.1109/75.153622
State	Published - Jan 1 1992
Externally published	Yes

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title = "Design-Oriented Parametrization of Truncated Periodic-Strip Gratings",

abstract = "Spectral domain asymptotics are used to develop a hybrid (ray)-(Floquet mode) parametrization that models time-harmonic plane-wave interaction with a truncated grating of periodically spaced, coplanar, infinitesimally thin, perfectly conducting strips in free space. By distinctly displaying the edge effects as well as the truncated Floquent mode contributions from the body of the grating, the model—which is valid in the near and far zones—contains the necessary ingredients for finite-grating design; the truncated Floquent modes are based on those for the finite grating. Plane-wave diffraction results computed from the model are shown to agree very well with numerical reference data generated by a (spectral domain)-(method of moments) algorithm. {\textcopyright} 1992, IEEE. All rights reserved.",

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AU - Felsen, Leopold B.

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N2 - Spectral domain asymptotics are used to develop a hybrid (ray)-(Floquet mode) parametrization that models time-harmonic plane-wave interaction with a truncated grating of periodically spaced, coplanar, infinitesimally thin, perfectly conducting strips in free space. By distinctly displaying the edge effects as well as the truncated Floquent mode contributions from the body of the grating, the model—which is valid in the near and far zones—contains the necessary ingredients for finite-grating design; the truncated Floquent modes are based on those for the finite grating. Plane-wave diffraction results computed from the model are shown to agree very well with numerical reference data generated by a (spectral domain)-(method of moments) algorithm. © 1992, IEEE. All rights reserved.

AB - Spectral domain asymptotics are used to develop a hybrid (ray)-(Floquet mode) parametrization that models time-harmonic plane-wave interaction with a truncated grating of periodically spaced, coplanar, infinitesimally thin, perfectly conducting strips in free space. By distinctly displaying the edge effects as well as the truncated Floquent mode contributions from the body of the grating, the model—which is valid in the near and far zones—contains the necessary ingredients for finite-grating design; the truncated Floquent modes are based on those for the finite grating. Plane-wave diffraction results computed from the model are shown to agree very well with numerical reference data generated by a (spectral domain)-(method of moments) algorithm. © 1992, IEEE. All rights reserved.

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DO - 10.1109/75.153622

M3 - Article

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EP - 369

JO - IEEE Microwave and Guided Wave Letters

JF - IEEE Microwave and Guided Wave Letters

IS - 9

ER -

Design-Oriented Parametrization of Truncated Periodic-Strip Gratings

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