4.6 Article

Analysis of surface plasmon interference pattern formed by optical vortex beams

Journal

OPTICS EXPRESS
Volume 16, Issue 22, Pages 18451-18456

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.16.018451

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Funding

  1. National Research Foundation of Singapore [NRF-G-CRP2007-01]
  2. Nanyang Technological University's Special Equipment Project [RGM6/05, RGM37/06]
  3. Ministry of Education [ARC 3/06]
  4. Nankai University
  5. National Natural Science Foundation of China [60778045]

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Following our recent experimental approach to excitation of surface plasmon polaritons induced by optical vortex beams [5], we report further analysis and verification of the surface plasmon interference pattern formed by locally excited standing surface plasmon polaritons in a metal/dielectric film. Our simulation model can be demonstrated by using angular spectrum representation. The generated standing interference pattern has potential as a resolution enhancement technique for sub-diffraction imaging. (C) 2008 Optical Society of America

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