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Applied Optics

Applied Optics


  • Vol. 24, Iss. 10 — May. 15, 1985
  • pp: 1515–1519

Structural resonances observed in the Raman spectra of optically levitated liquid droplets

Rudolf Thurn and Wolfgang Kiefer  »View Author Affiliations

Applied Optics, Vol. 24, Issue 10, pp. 1515-1519 (1985)

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Structural resonances have been found in the Raman spectra of optically levitated liquid droplets of mixtures of water and glycerol. The observed resonances could be assigned by using the well-known Lorenz-Mie formalism. It was found that for the particular droplet under investigation quite high-order numbers (l = 8,9) of the natural modes of oscillation of a sphere play a dominant role. We describe the intensities of the resonances in the Raman spectrum particularly through the volume averaged internal field intensity. We show further that the internal angle-averaged electric field intensity is localized near, but not confined to, the sphere surface.

© 1985 Optical Society of America

Original Manuscript: November 15, 1984
Published: May 15, 1985

Rudolf Thurn and Wolfgang Kiefer, "Structural resonances observed in the Raman spectra of optically levitated liquid droplets," Appl. Opt. 24, 1515-1519 (1985)

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