Abstract
We present a C-aperture encircled by a groove that makes possible the hybrid effect of coupling surface plasmon resonance to propagating waves. Compared to a single C aperture, the groove-encircled aperture can increase transmission by a factor of 2.45 in the near field and by a factor of 1.88 in the far field, showing good agreement with our theoretical calculation.
Original language | English |
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Pages (from-to) | 655-657 |
Number of pages | 3 |
Journal | Optics Letters |
Volume | 31 |
Issue number | 5 |
DOIs | |
State | Published - 1 Mar 2006 |