OSA's Digital Library

Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 7 — Jul. 1, 2014
  • pp: 1653–1659

Transmittance of a subwavelength aperture flanked by a finite groove array placed near the focus of a conventional lens

F. Villate-Guío, F. de León-Pérez, and L. Martín-Moreno  »View Author Affiliations


JOSA B, Vol. 31, Issue 7, pp. 1653-1659 (2014)
http://dx.doi.org/10.1364/JOSAB.31.001653


View Full Text Article

Enhanced HTML    Acrobat PDF (657 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations

Abstract

In this paper, we study the optical response of 1D light harvesting structures that are illuminated by a conventional lens. Our theoretical study shows that high transmission efficiencies are obtained when the structure is placed near the focal plane of the lens. The considered structure is a finite slit-groove array (SGA) with a given number of grooves, which are symmetrically distributed with respect to a central slit. The SGA is nanopatterned on an opaque metallic film. It is found that a total transmittance of 80% is achieved even for a single slit when (1) Fabry–Perot-like modes are excited inside the slit and (2) the effective cross section of the aperture becomes of the order of the FWHM of the incident beam. A further enhancement of 8% is produced by the groove array. The optimal geometry for the groove array consists of a moderate number of grooves (4) at either side of the slit, separated by a distance of half the incident wavelength λ. Grooves should be deeper (with depth λ/4) than those typically reported for plane wave illumination in order to increase their individual scattering cross section.

© 2014 Optical Society of America

OCIS Codes
(160.3900) Materials : Metals
(240.6690) Optics at surfaces : Surface waves
(250.5403) Optoelectronics : Plasmonics
(050.6624) Diffraction and gratings : Subwavelength structures
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: April 9, 2014
Revised Manuscript: May 14, 2014
Manuscript Accepted: May 14, 2014
Published: June 23, 2014

Citation
F. Villate-Guío, F. de León-Pérez, and L. Martín-Moreno, "Transmittance of a subwavelength aperture flanked by a finite groove array placed near the focus of a conventional lens," J. Opt. Soc. Am. B 31, 1653-1659 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-7-1653

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited