Single and multiple holes in optically thick gold layers are investigated with cathodoluminescence. We observe striking localized effects as we vary the shape of the subwavelength holes and their relative orientation.
© 2008 Optical Society of America
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
(350.0350) Other areas of optics : Other areas of optics
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
J. C. Prangsma, R. de Waele, and L. (K. ) Kuipers, "Effect of Hole Shape in Cathodoluminescence of Subwavelength Holes," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper QTuA4.
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