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Exact analytical solution for oblique incidence on a graded index interface between a right-handed and a left-handed material
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2009 (English)In: Journal of Optoelectronics and Biomedical Materials, ISSN 2066-0049, Vol. 1, no 4, 345-352 p.Article in journal (Refereed) Published
Abstract [en]

We have determined the scattering parameters of optical structures incorporating both left-handed metamaterials (LHM) and conventional ("right-handed") materials (RHM) for the case when the refractive index at the LHM-RHM interface is graded, for oblique incidence at an arbitrary angle and for arbitrary spectral dispersion. We derived an accurate analytical solution to Helmholtz’ equation for the case of the refractive index gradient varying as a hyperbolic tangent where the steepness of the index transition may be arbitrary, even of the order of vacuum wavelength. We determined the expressions for the field intensity along the LHM-RHM structure with refractive index gradient. We show that there is an excellent agreement between our analytical results and the accurate numerical simulations done by finite element method.

Place, publisher, year, edition, pages
2009. Vol. 1, no 4, 345-352 p.
Keyword [en]
Metamaterials, Left-Handed Material, Graded Refractive Index
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-59152OAI: oai:DiVA.org:kth-59152DiVA: diva2:475158
Note
QC 20120117Available from: 2012-01-17 Created: 2012-01-10 Last updated: 2012-01-17Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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