Terahertz near-field imaging of subwavelength one-dimensional plasmonic structures
M. A. Seo (Seoul National University)
AJL Adam (TU Delft - ImPhys/Adam group)
S.C. Jeoung (Korea Research Institute of Standard and Science)
Paul Planken (TU Delft - ImPhys/Optics)
D. S. Kim (Seoul National University)
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Abstract
We have developed a terahertz near-field imaging system detecting both amplitude and phase of the electric field spatiotemporally. Imaging one-dimensional slits on metal substrate reveals both propagating and surface-bound waves, strongly dependent on the frequency.