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

P. Jordan, J. Cooper, G. McNay, F.T. Docherty, D. Graham, W.E. Smith, G. Sinclair, M.J. Padgett

Research output: Contribution to journal › Article

16 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)4148-4153
Number of pages5
JournalOptics Express
Volume13
Issue number11
Publication statusPublished - 30 May 2005

Fingerprint

resonance scattering
harmonic generations
Raman spectra
laser modes
beads
chromophores
silver
traps
silicon dioxide
configurations
crystals

Keywords

  • optical confinement and manipulation
  • frequency conversion
  • surface plasmons
  • scattering
  • raman

Cite this

Jordan, P., Cooper, J., McNay, G., Docherty, F. T., Graham, D., Smith, W. E., ... Padgett, M. J. (2005). Surface-enhanced resonance Raman scattering in optical tweezers using co-axial second harmonic generation. Optics Express, 13(11), 4148-4153.
Jordan, P. ; Cooper, J. ; McNay, G. ; Docherty, F.T. ; Graham, D. ; Smith, W.E. ; Sinclair, G. ; Padgett, M.J. / Surface-enhanced resonance Raman scattering in optical tweezers using co-axial second harmonic generation. In: Optics Express. 2005 ; Vol. 13, No. 11. pp. 4148-4153.
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Jordan, P, Cooper, J, McNay, G, Docherty, FT, Graham, D, Smith, WE, Sinclair, G & Padgett, MJ 2005, 'Surface-enhanced resonance Raman scattering in optical tweezers using co-axial second harmonic generation', Optics Express, vol. 13, no. 11, pp. 4148-4153.

Surface-enhanced resonance Raman scattering in optical tweezers using co-axial second harmonic generation. / Jordan, P.; Cooper, J.; McNay, G.; Docherty, F.T.; Graham, D.; Smith, W.E.; Sinclair, G.; Padgett, M.J.

In: Optics Express, Vol. 13, No. 11, 30.05.2005, p. 4148-4153.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Surface-enhanced resonance Raman scattering in optical tweezers using co-axial second harmonic generation

AU - Jordan, P.

AU - Cooper, J.

AU - McNay, G.

AU - Docherty, F.T.

AU - Graham, D.

AU - Smith, W.E.

AU - Sinclair, G.

AU - Padgett, M.J.

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AB - 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.

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KW - frequency conversion

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Jordan P, Cooper J, McNay G, Docherty FT, Graham D, Smith WE et al. Surface-enhanced resonance Raman scattering in optical tweezers using co-axial second harmonic generation. Optics Express. 2005 May 30;13(11):4148-4153.

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