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Proceedings Article

Negative refraction in one-dimensional photonic crystals

[+] Author Affiliations
J. E. Lugo, Rafael Doti, J. Faubert

Univ. de Montréal (Canada)

Proc. SPIE 8412, Photonics North 2012, 84121W (October 23, 2012); doi:10.1117/12.2001446
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From Conference Volume 8412

  • Photonics North 2012
  • Jean-Claude Kieffer
  • Montreal, Canada | June 06, 2012

abstract

Photonic crystals are artificial structures that have periodic dielectric components with different refractive indices. Under certain conditions, they abnormally refract the light, a phenomenon called negative refraction. Here, we discuss recent theoretical and simulation results that showed that negative refraction could be present near the low frequency edge of at least the second, fourth and sixth bandgaps of a lossless one-dimensional photonic crystals (1DPC) structure. That is, negative refraction is a multiband phenomenon. We also discuss the negative refraction correctness condition that gives the angular region where negative refraction occurs. We compare two current negative refraction theoretical models with recent experimental results. In order to succeed, an output refraction correction is utilized. The correction uses Snell’s law and an effective refractive index based on two effective dielectric constants. We found good agreement between experiment and both theoretical models in the negative refraction zone. © (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

J. E. Lugo ; Rafael Doti and J. Faubert
" Negative refraction in one-dimensional photonic crystals ", Proc. SPIE 8412, Photonics North 2012, 84121W (October 23, 2012); doi:10.1117/12.2001446; http://dx.doi.org/10.1117/12.2001446


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