A chiral route to negative refraction. Pendry, J B Science (New York, N.Y.), 306(5700):1353--5, November, 2004.
A chiral route to negative refraction. [link]Paper  abstract   bibtex   
Negative refraction is currently achieved by driving the magnetic permeability and electrical permittivity simultaneously negative, thus requiring two separate resonances in the refracting material. The introduction of a single chiral resonance leads to negative refraction of one polarization, resulting in improved and simplified designs of negatively refracting materials and opening previously unknown avenues of investigation in this fast-growing subject.
@article{pendry_chiral_2004,
	title = {A chiral route to negative refraction.},
	volume = {306},
	issn = {1095-9203},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/15550665},
	abstract = {Negative refraction is currently achieved by driving the magnetic permeability and electrical permittivity simultaneously negative, thus requiring two separate resonances in the refracting material. The introduction of a single chiral resonance leads to negative refraction of one polarization, resulting in improved and simplified designs of negatively refracting materials and opening previously unknown avenues of investigation in this fast-growing subject.},
	number = {5700},
	journal = {Science (New York, N.Y.)},
	author = {Pendry, J B},
	month = nov,
	year = {2004},
	pages = {1353--5}
}

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