Observation of enhanced transmission for s-polarized light through a subwavelength slit
Enhanced optical transmission (EOT) through subwavelength apertures is usually obtained for p-polarized light. The present study experimentally investigates EOT for s-polarized light. A subwavelength slit surrounded on each side by periodic grooves has been fabricated in a gold film and covered by a...
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12-12-2009
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Abstract | Enhanced optical transmission (EOT) through subwavelength apertures is
usually obtained for p-polarized light. The present study experimentally
investigates EOT for s-polarized light. A subwavelength slit surrounded on each
side by periodic grooves has been fabricated in a gold film and covered by a
thin dielectric layer. The excitation of s-polarized dielectric waveguide modes
inside the dielectric film strongly increases the s-polarized transmission.
Transmission measurements are compared with a coupled mode model and show good
qualitative agreement. Adding a waveguide can improve light transmission
through subwavelength apertures, as both s and p-polarization can be
efficiently transmitted. |
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AbstractList | Enhanced optical transmission (EOT) through subwavelength apertures is
usually obtained for p-polarized light. The present study experimentally
investigates EOT for s-polarized light. A subwavelength slit surrounded on each
side by periodic grooves has been fabricated in a gold film and covered by a
thin dielectric layer. The excitation of s-polarized dielectric waveguide modes
inside the dielectric film strongly increases the s-polarized transmission.
Transmission measurements are compared with a coupled mode model and show good
qualitative agreement. Adding a waveguide can improve light transmission
through subwavelength apertures, as both s and p-polarization can be
efficiently transmitted. |
Author | Eckert, R Guillaumee, M Nikitin, A. Yu Stanley, R. P Dunbar, L. A Spassov, V Martin-Moreno, L Garcia-Vidal, F. J Klein, M. J. K |
Author_xml | – sequence: 1 givenname: M surname: Guillaumee fullname: Guillaumee, M – sequence: 2 givenname: A. Yu surname: Nikitin fullname: Nikitin, A. Yu – sequence: 3 givenname: M. J. K surname: Klein fullname: Klein, M. J. K – sequence: 4 givenname: L. A surname: Dunbar fullname: Dunbar, L. A – sequence: 5 givenname: V surname: Spassov fullname: Spassov, V – sequence: 6 givenname: R surname: Eckert fullname: Eckert, R – sequence: 7 givenname: L surname: Martin-Moreno fullname: Martin-Moreno, L – sequence: 8 givenname: F. J surname: Garcia-Vidal fullname: Garcia-Vidal, F. J – sequence: 9 givenname: R. P surname: Stanley fullname: Stanley, R. P |
BackLink | https://doi.org/10.1364/OE.18.009722$$DView published paper (Access to full text may be restricted) https://doi.org/10.48550/arXiv.0912.2452$$DView paper in arXiv |
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Snippet | Enhanced optical transmission (EOT) through subwavelength apertures is
usually obtained for p-polarized light. The present study experimentally
investigates... |
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SubjectTerms | Physics - Mesoscale and Nanoscale Physics Physics - Other Condensed Matter |
Title | Observation of enhanced transmission for s-polarized light through a subwavelength slit |
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