Skip Main Navigation Links Jump to Footer
Applied Physics LettersVolume 85, Issue 25, 20 December 2004, Pages 6239-6241

Detection and characterization of longitudinal field for tip-enhanced Raman spectroscopy(Article)

  • aNanophotonics Laboratory, RIKEN, Wako, Saitama 351-0198, Japan
  • bCREST, Japan Corporation of Science and Technology, Japan
  • cDepartment of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan

Abstract

We characterized the longitudinal field formed at a tightly focused spot by a high numerical aperture objective lens using a tip-enhanced near-field microscope. The longitudinal field efficiently excites the localized surface plasmon polaritons at the metallic tip apex resulting in an electric field enhancement. Radially polarized light generated by a combination of four half-waveplates successfully increases the longitudinal field resulting in higher sensitivity for tip-enhanced Raman spectroscopy of adenine nanocrystals. © 2004 American Institute of Physics.

Indexed keywords

Engineering controlled terms:Charge coupled devicesElectric excitationElectric field effectsFluorescenceNanostructured materialsPolarizationSensitivity analysisSingle crystalsSpectrum analysis
Engineering uncontrolled terms:Liquid nitrogenNanocrystalsNear-field microscopyTip-enhanced Raman spectroscopy
Engineering main heading:Raman spectroscopy
  • ISSN: 00036951
  • CODEN: APPLA
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1063/1.1839646
  • Document Type: Article

  Hayazawa, N.; Nanophotonics Laboratory, RIKEN, Japan;
© Copyright 2008 Elsevier B.V., All rights reserved.

Cited by 196 documents

Shvedov, V. , Cyprych, K. , Yadira Salazar-Romero, M.
Nonlinear propagation and quasi self-confinement of light in plasmonic resonant media
(2018) Optics Express
Zhang, X. , Zhang, W. , Li, C.
All-fiber cylindrical vector beams laser based on an acoustically-induced fiber grating
(2018) Journal of Optics (United Kingdom)
Man, Z. , Bai, Z. , Zhang, S.
Focusing properties of arbitrary optical fields combining spiral phase and cylindrically symmetric state of polarization
(2018) Journal of the Optical Society of America A: Optics and Image Science, and Vision
View details of all 196 citations