Abstract
Investigating the canonical problem of a periodic multilayered stack containing isotropic chiral layers, we homogenized it as a uniaxial bi-anisotropic medium and derived its effective constitutive parameters. The stack shows a resonant behaviour, when its unit cell consists of a metallic layer and an isotropic chiral layer. The presence of isotropic chirality can result in small shifts of the resonance frequency for reasonably large values of the chirality parameter, implying that the sign of an effective permittivity can be switched. Such spectral shifts in the dielectric properties can be potentially useful for spectroscopic purposes.
| Original language | English (US) |
|---|---|
| Article number | 074001 |
| Journal | Journal of Optics A: Pure and Applied Optics |
| Volume | 11 |
| Issue number | 7 |
| DOIs | |
| State | Published - Nov 18 2009 |
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All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
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Spectral shifts in the properties of a periodic multilayered stack due to isotropic chiral layers. / Ramakrishna, S. Anantha; Lakhtakia, Akhlesh.
In: Journal of Optics A: Pure and Applied Optics, Vol. 11, No. 7, 074001, 18.11.2009.Research output: Contribution to journal › Article
TY - JOUR
T1 - Spectral shifts in the properties of a periodic multilayered stack due to isotropic chiral layers
AU - Ramakrishna, S. Anantha
AU - Lakhtakia, Akhlesh
PY - 2009/11/18
Y1 - 2009/11/18
N2 - Investigating the canonical problem of a periodic multilayered stack containing isotropic chiral layers, we homogenized it as a uniaxial bi-anisotropic medium and derived its effective constitutive parameters. The stack shows a resonant behaviour, when its unit cell consists of a metallic layer and an isotropic chiral layer. The presence of isotropic chirality can result in small shifts of the resonance frequency for reasonably large values of the chirality parameter, implying that the sign of an effective permittivity can be switched. Such spectral shifts in the dielectric properties can be potentially useful for spectroscopic purposes.
AB - Investigating the canonical problem of a periodic multilayered stack containing isotropic chiral layers, we homogenized it as a uniaxial bi-anisotropic medium and derived its effective constitutive parameters. The stack shows a resonant behaviour, when its unit cell consists of a metallic layer and an isotropic chiral layer. The presence of isotropic chirality can result in small shifts of the resonance frequency for reasonably large values of the chirality parameter, implying that the sign of an effective permittivity can be switched. Such spectral shifts in the dielectric properties can be potentially useful for spectroscopic purposes.
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U2 - 10.1088/1464-4258/11/7/074001
DO - 10.1088/1464-4258/11/7/074001
M3 - Article
VL - 11
JO - Journal of Optics
JF - Journal of Optics
SN - 2040-8978
IS - 7
M1 - 074001
ER -