Abstract
The refractive index of a dielectric medium comprising both passive and inverted components in its permittivity was determined using two methods: (i) in the time-domain, a finite-difference algorithm to compute the frequency-domain reflectance from reflection data for a pulsed plane wave that is normally incident on a dielectric half-space and (ii) in the frequency-domain, the deflection of an obliquely incident Gaussian beam on transmission through a dielectric slab. The dielectric medium was found to be an active medium with a negative real part for its refractive index. Thereby, a recent controversy in the scientific literature was resolved.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 120-125 |
| Number of pages | 6 |
| Journal | Optics Communications |
| Volume | 280 |
| Issue number | 1 |
| DOIs | |
| State | Published - Dec 1 2007 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Physical and Theoretical Chemistry
- Electrical and Electronic Engineering
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Geddes, J. B., Mackay, T. G., & Lakhtakia, A. (2007). On the refractive index for a nonmagnetic two-component medium: Resolution of a controversy. Optics Communications, 280(1), 120-125. https://doi.org/10.1016/j.optcom.2007.08.025