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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 11 — May. 30, 2005
  • pp: 4148–4153

Surface-enhanced resonance Raman scattering in optical tweezers using co-axial second harmonic generation

Pamela Jordan, Jon Cooper, Graeme McNay, Frances T. Docherty, Duncan Graham, W. Ewen Smith, Gavin Sinclair, and Miles J. Padgett  »View Author Affiliations


Optics Express, Vol. 13, Issue 11, pp. 4148-4153 (2005)
http://dx.doi.org/10.1364/OPEX.13.004148


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Abstract

Silica particles were partially coated with silver, and a suitable chromophore, such that they could be trapped within an optical tweezers system and simultaneously be excited to emit a surface–enhanced resonance Raman scattering (SERRS) spectrum. A standard 1064 nm TEM00 mode laser was used to trap the bead whilst a frequency doubling crystal inserted into the beam gave several microwatts of 532 nm co-linear light to excite the SERRS emission. The configuration has clear applications in providing apparatus that can manipulate a particle whilst simultaneously obtaining surface sensitive sensory information.

© 2005 Optical Society of America

OCIS Codes
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(190.2620) Nonlinear optics : Harmonic generation and mixing
(240.6680) Optics at surfaces : Surface plasmons
(290.5860) Scattering : Scattering, Raman

ToC Category:
Research Papers

History
Original Manuscript: January 7, 2005
Revised Manuscript: May 18, 2005
Published: May 30, 2005

Citation
Pamela Jordan, Jon Cooper, Graeme McNay, Frances Docherty, Duncan Graham, W. Smith, Gavin Sinclair, and Miles Padgett, "Surface�??enhanced resonance Raman scattering in optical tweezers using co-axial second harmonic generation," Opt. Express 13, 4148-4153 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-11-4148


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