@ARTICLE {6514,
author={M. G. Silveirinha and N. Engheta},
doi={10.1103/PhysRevB.85.085116},
journal={Physical Review B - Condensed Matter and Materials Physics},
title={Sampling and squeezing electromagnetic waves through subwavelength ultranarrow regions or openings},
year={2012},
month={February},
volume={85},
number={085116},
pages={1-18},
ISSN={1098-0121}
}