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Modal analysis and design of compoun...

Loui, Hung.

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Modal analysis and design of compound gratings and frequency selective surfaces.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Modal analysis and design of compound gratings and frequency selective surfaces./
Author:	Loui, Hung.
Description:	139 p.
Notes:	Advisers: Zoya Popovic; Edward F. Kuester.
Contained By:	Dissertation Abstracts International67-05B.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3219048
ISBN:	9780542684593

Modal analysis and design of compound gratings and frequency selective surfaces.
Loui, Hung.

Modal analysis and design of compound gratings and frequency selective surfaces. - 139 p.

Advisers: Zoya Popovic; Edward F. Kuester.

Thesis (Ph.D.)--University of Colorado at Boulder, 2006.

This thesis presents a general method for the analysis of transmission and reflection of electromagnetic waves from complex thick/thin metallic frequency selective surfaces (FSS's), gratings and corrugated surfaces. The method is based on mode-matching using surface impedance boundary conditions and accounts for arbitrary profiles, lossy dielectric fillings/coatings for compound unit cells with multiple apertures. Perturbation theory is applied to include metal losses. In order to represent a complex thick FSS in terms of a network model that facilitates design, the Extended Generalized Scattering Matrix (EGSM) formulation is developed and criteria for resonance, Q and computation reduction are established. With minor modifications, the formulation also allows extension to the aperiodic case. The method is validated against both experiment and models from the literature. Specifically, analysis of simple and compound thick-metal transmission gratings, corrugated surfaces and thin-metal FSS's in the 30--300 THz frequency range is compared with several other methods and new compound thick-metal FSS results are reported. Agreement with experiment is obtained for a K-band thick FSS with tapered circular holes having similar TE and TM characteristics for scan angles up to +/-45°.

ISBN: 9780542684593Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Modal analysis and design of compound gratings and frequency selective surfaces.
LDR:02253nam 2200289 a 45 001 965257
005 20110906
008 110906s2006 eng d
020 $a 9780542684593
035 $a (UnM)AAI3219048
035 $a AAI3219048
040 $a UnM $c UnM
100 1 $a Loui, Hung. $3 1288034
245 1 0 $a Modal analysis and design of compound gratings and frequency selective surfaces.
300 $a 139 p.
500 $a Advisers: Zoya Popovic; Edward F. Kuester.
500 $a Source: Dissertation Abstracts International, Volume: 67-05, Section: B, page: 2749.
502 $a Thesis (Ph.D.)--University of Colorado at Boulder, 2006.
520 $a This thesis presents a general method for the analysis of transmission and reflection of electromagnetic waves from complex thick/thin metallic frequency selective surfaces (FSS's), gratings and corrugated surfaces. The method is based on mode-matching using surface impedance boundary conditions and accounts for arbitrary profiles, lossy dielectric fillings/coatings for compound unit cells with multiple apertures. Perturbation theory is applied to include metal losses. In order to represent a complex thick FSS in terms of a network model that facilitates design, the Extended Generalized Scattering Matrix (EGSM) formulation is developed and criteria for resonance, Q and computation reduction are established. With minor modifications, the formulation also allows extension to the aperiodic case. The method is validated against both experiment and models from the literature. Specifically, analysis of simple and compound thick-metal transmission gratings, corrugated surfaces and thin-metal FSS's in the 30--300 THz frequency range is compared with several other methods and new compound thick-metal FSS results are reported. Agreement with experiment is obtained for a K-band thick FSS with tapered circular holes having similar TE and TM characteristics for scan angles up to +/-45°.
590 $a School code: 0051.
650 4 $a Engineering, Electronics and Electrical. $3 626636
650 4 $a Physics, Electricity and Magnetism. $3 1019535
690 $a 0544
690 $a 0607
710 2 0 $a University of Colorado at Boulder. $3 1019435
773 0 $t Dissertation Abstracts International $g 67-05B.
790 $a 0051
790 1 0 $a Kuester, Edward F., $e advisor
790 1 0 $a Popovic, Zoya, $e advisor
791 $a Ph.D.
792 $a 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3219048