(LAR1:lu) pers:(Sjöberg Daniel) lar1:(lu) pers:(Vakili Iman)
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Sum Rules for Parallel-Plate Waveguides : Experimental Results and Theory
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- Vakili, Iman (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH,Lund Univ
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- Gustafsson, Mats (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH,Lund Univ
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- Sjöberg, Daniel (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH,Lund Univ
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- 2014
- 2014
- English.
- Series: Technical Report LUTEDX/(TEAT-7229)/1-20/(2014) ; TEAT-7229
- In: IEEE transactions on microwave theory and techniques. - 0018-9480 .- 1557-9670. ; 62:11, s. 2574-2582
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- An experimental approach to investigate the forward scattering sum rule for periodic structures is presented. This approach allows an upper bound on the total cross section integrated over a bandwidth from a simple static problem to be found. Based on energy conservation, the optical theorem is used to construct a relation between the total cross section and the forward scattering of periodic structures as well as single scatterers inside a parallel-plate waveguide. Dynamic measurements are performed using a parallel-plate waveguide and a parallel-plate capacitor is utilized to find the static polarizability. Convex optimization is introduced to identify the total cross section in the dynamic measurements and estimate an optimal lower bound on the polarizability for objects. The results show that the interactions between the electromagnetic field and an object over all wavelengths are given by the static polarizability of the object.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Convex optimization
- forward scattering
- metamaterials
- optical theorem
- parallel-plate waveguide
- periodic structure
- positive real (PR) functions
- sum rule
- Waves and Signals
- Vågor och signaler
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Vakili, Iman
- Gustafsson, Mats
- Sjöberg, Daniel
- Seviour, Rebecca
- Nilsson, Martin
- Nordebo, Sven
- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
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- ENGINEERING AND TECHNOLOGY
- ENGINEERING AND ...
- and Electrical Engin ...
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- Linnaeus University
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