We measured a single sub-wavelength slit using confocal microscopy. The transmitted light was measured and the dependence with the input laser polarization was characterized. Results may be related to the coupled SPP throughout the slit.
© 2012 OSA
M. T. Carvalho, M. T. Bezerra, E. Marega-Junior, B. V. Borges, and F. D. Nunes, "A confocal microscopy study on the transmission of light through a single sub-wavelength slit," in Latin America Optics and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2012), paper LT4B.4.