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Lossy gradient index metamaterial with sinusoidal periodicity of refractive index : case of constant impedance throughout the structure
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- Dalarsson, Mariana (author)
- KTH,Elektroteknisk teori och konstruktion
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- Norgren, Martin (author)
- KTH,Elektroteknisk teori och konstruktion
- Jaksic, Zoran (author)
- (creator_code:org_t)
- SPIE-Intl Soc Optical Eng, 2011
- 2011
- English.
- In: J NANOPHOTONICS. - : SPIE-Intl Soc Optical Eng. - 1934-2608. ; 5, s. 051804-
- Journal article (peer-reviewed)
Abstract
Subject headings
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- We used an exact analytical approach to investigate the electromagnetic wave propagation across an isotropic metamaterial composite with i. a sinusoidally periodic gradient of the real parts of the effective permittivity and permeability, ii. spatially uniform imaginary parts of the effective permittivity and permeability, and iii. spatially uniform impedance. The real part of the effective refractive index can be positive and negative along the direction of nonhomogeneity. A remarkably simple direct solution for the field distribution was obtained.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- metamaterials
- negative refractive index
- wave propagation
- exact analytic solution
- gradient refractive index photonics
- Electric power engineering
- Elkraftteknik
Publication and Content Type
- ref (subject category)
- art (subject category)
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