Title

Electromagnetic Scattering by an Aperiodic Strip Grating

Abstract

Metallic gratings have long been used as frequency selective surfaces for applications ranging from beamsplitters to polarization filters. These gratings are generally modeled as an infinite array of evenly spaced metallic strips. Not only is it possible to truncate these structures, but it is also possible to vary the strip's width and spacing as a function of position along the grating surface. This variance, from the standard infinite periodic design, has the potential for beam steering, and other various directional reflecting devices. This thesis presents an electromagnetic scattering model for an approximate solution to the aperiodic grating problem. Various strip spacing and width profiles are analyzed for their scattering chacteristics as a function of the observation angle. In addition, the case of a finite periodic grating is compared to published results in order to verify the analytical approach.

Notes

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Graduation Date

1989

Semester

Fall

Advisor

Christodoulou, Christos

Degree

Master of Science (M.S.)

College

College of Engineering

Department

Electrical Engineering and Communication Sciences

Format

Print

Language

English

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Subjects

Dissertations, Academic -- Engineering; Engineering -- Dissertations, Academic

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