OSA's Digital Library

Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 12 — Dec. 1, 2009
  • pp: 2370–2376

Surface-enhanced Raman imaging of fractal shaped periodic metal nanostructures

Jonas Beermann, Sergey M. Novikov, Ole Albrektsen, Michael G. Nielsen, and Sergey I. Bozhevolnyi  »View Author Affiliations


JOSA B, Vol. 26, Issue 12, pp. 2370-2376 (2009)
http://dx.doi.org/10.1364/JOSAB.26.002370


View Full Text Article

Enhanced HTML    Acrobat PDF (755 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations

Abstract

Surface-enhanced Raman scattering (SERS) from Rhodamine 6G (R6G) homogenously adsorbed on fractal shaped 170-nm-period square arrays formed by 50-nm-high gold nanoparticles (diameters of 80, 100, or 120 nm are constant within each array), fabricated on a smooth gold film by electron-beam lithography, is characterized using high-resolution Raman microscopy with polarized excitation. Linear reflection spectroscopy verifies that all nanostructures exhibit resonances close to the 532 nm excitation wavelength used for Raman microscopy. The SERS images feature diffraction-limited ( 0.35 μ m ) bright spots corresponding to local SERS enhancements of up to 120 (relative to that from a smooth gold film), which are influenced by array boundaries, particle diameter, excitation polarization, and detected wavelength. We use six main Raman lines of the R6G spectrum for characterization of multiresonant local-field enhancements that are related to constructive interference of surface plasmon polaritons partially reflected inside the array boundaries.

© 2009 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics
(290.4210) Scattering : Multiple scattering
(180.5655) Microscopy : Raman microscopy
(240.6695) Optics at surfaces : Surface-enhanced Raman scattering

ToC Category:
Optics at Surfaces

History
Original Manuscript: October 9, 2009
Manuscript Accepted: October 16, 2009
Published: November 19, 2009

Citation
Jonas Beermann, Sergey M. Novikov, Ole Albrektsen, Michael G. Nielsen, and Sergey I. Bozhevolnyi, "Surface-enhanced Raman imaging of fractal shaped periodic metal nanostructures," J. Opt. Soc. Am. B 26, 2370-2376 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-12-2370

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