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Applied Optics

Applied Optics


  • Vol. 41, Iss. 15 — May. 20, 2002
  • pp: 2994–2999

Backward-enhanced fluorescence from clusters of microspheres and particles of tryptophan

Yong-Le Pan, Steven C. Hill, Jean-Pierre Wolf, Stephen Holler, Richard K. Chang, and Jerold R. Bottiger  »View Author Affiliations

Applied Optics, Vol. 41, Issue 15, pp. 2994-2999 (2002)

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Measured fluorescence from single-particle clusters of dye-doped polystyrene microspheres, dried nonspherical particles of tryptophan, and single polystyrene microspheres is enhanced in the backward direction (180° from the incident laser). This enhancement (a factor of 2–3 compared to 90°), which can be interpreted as a consequence of the reciprocity principle, increases with the particle refractive index.

© 2002 Optical Society of America

OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(300.2530) Spectroscopy : Fluorescence, laser-induced
(350.4800) Other areas of optics : Optical standards and testing

Original Manuscript: August 13, 2001
Revised Manuscript: January 14, 2002
Published: May 20, 2002

Yong-Le Pan, Steven C. Hill, Jean-Pierre Wolf, Stephen Holler, Richard K. Chang, and Jerold R. Bottiger, "Backward-enhanced fluorescence from clusters of microspheres and particles of tryptophan," Appl. Opt. 41, 2994-2999 (2002)

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