The effect of complex and negative indices in the transmission of electromagnetic waves through superlattices

P. Pereyra, A. Robledo-Martinez, M. Morales-Luna

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We apply the transfer matrix method to study optical transmission properties of multilayered structures with complex and negative indices. We show that the true refraction angle of electromagnetic waves in complex permittivity media does not change sign at low frequencies. Based on the invariance of the slab's scattering amplitudes, we show that it is indifferent whether the negative sign be conveyed by the wave vector k or the admittance η. We show also that in the scattering approach language, the change of sign of ε{lunate} and μ leads to a change in the transmission amplitude phase from θt to - θt. We present some results for metallic slabs and superlattices containing right- and left-handed materials.

Original languageEnglish
Pages (from-to)394-397
Number of pages4
JournalMicroelectronics Journal
Volume39
Issue number3-4
DOIs
Publication statusPublished - 1 Jan 2008
Externally publishedYes

Fingerprint

Superlattices
Electromagnetic waves
superlattices
electromagnetic radiation
slabs
Scattering
Transfer matrix method
Light transmission
electrical impedance
Invariance
Refraction
scattering amplitude
matrix methods
refraction
invariance
Permittivity
permittivity
low frequencies
scattering

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering

Cite this

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The effect of complex and negative indices in the transmission of electromagnetic waves through superlattices. / Pereyra, P.; Robledo-Martinez, A.; Morales-Luna, M.

In: Microelectronics Journal, Vol. 39, No. 3-4, 01.01.2008, p. 394-397.

Research output: Contribution to journalArticle

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AU - Morales-Luna, M.

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AB - We apply the transfer matrix method to study optical transmission properties of multilayered structures with complex and negative indices. We show that the true refraction angle of electromagnetic waves in complex permittivity media does not change sign at low frequencies. Based on the invariance of the slab's scattering amplitudes, we show that it is indifferent whether the negative sign be conveyed by the wave vector k or the admittance η. We show also that in the scattering approach language, the change of sign of ε{lunate} and μ leads to a change in the transmission amplitude phase from θt to - θt. We present some results for metallic slabs and superlattices containing right- and left-handed materials.

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