Hugo F Schouten et al 2004 J. Opt. A: Pure Appl. Opt. 6 S277 doi:10.1088/1464-4258/6/5/027
Hugo F Schouten1, Taco D Visser1, Greg Gbur1, Daan Lenstra1 and Hans Blok2
Show affiliationsWe analyse the diffraction of light incident on a sub-wavelength slit in a thin plate. It is found that plates with different material properties, such as conductivity and thickness, show a fundamentally different behaviour of the field near the slit. Depending on the material properties, the light transmission can either be enhanced or frustrated. A correspondence between the handedness of optical vortices and the transmission behaviour is demonstrated.
Issue 5 (May 2004)
Received 3 September 2003, accepted for publication 1 December 2003
Published 19 April 2004
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