Title

Effects of Manufacturing Artifacts on Infrared Filter Performance

Document Type

Article

Publication Date

9-2006

Publication Source

Microwave and Optical Technology Letters

Volume

48

Issue

9

Inclusive pages

1749-1754

DOI

10.1002/mop.21752

Publisher

John Wiley & Sons, Inc.

Place of Publication

United States

ISBN/ISSN

08952477

Abstract

The effect of manufacturing artifacts on the performance of infrared frequency selective surfaces (FSS) is investigated in this article. For cross-slot structures, these artifacts include slot length variation, slot width variation, the variation of spacing among elements, structural center broadening, and slot edge rounding. Quantitative measures of these effects on FSS transmission spectrum are obtained via a three-dimensional (3D) periodic finite-difference time-domain method. The study shows that peak transmission intensity, resonant wavelength, and half-max bandwidth of the transmission spectrum can be significantly affected by these manufacturing artifacts.

Keywords

FDTD method; infrared filter; frequency selective surface; fabrication artifacts

Disciplines

Engineering

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