We investigate sub-wavelength diffraction by a single slit, both in nano-optical and in terahertz regimes. The wave-front in optical regime separates itself into forward propagating beam and surface-bound 90-degree diffracted wave, i.e., surface plasmon polaritons.
© 2008 Optical Society of America
D. S. Kim, K. G. Lee, M. A. Seo, K. J. Ahn, A. J. L. Adam, J. H. Kang, H. W. Kihm, Q. H. Park, and P. C. M. Planken, "Nano-Optical and Terahertz Near-Field Studies of Surface Plasmon Generation," 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 QTuG4.
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