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Applied Optics

Applied Optics


  • Vol. 34, Iss. 18 — Jun. 20, 1995
  • pp: 3546–3553

Mode-selective dynamic light scattering: theory versus experimental realization

Thomas Gisler, Heinrich Rüger, Stefan U. Egelhaaf, Jürg Tschumi, Peter Schurtenberger, and Jaroslav Rička  »View Author Affiliations

Applied Optics, Vol. 34, Issue 18, pp. 3546-3553 (1995)

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We present a quantitative experimental comparison of fiber-based, single- and few-mode dynamic light scattering with the classical pinhole-detection optics. The recently presented theory of mode-selective dynamic light scattering [Appl. Opt. 32, 2860 (1993)] predicts a collection efficiency and a signal-to-baseline ratio superior to that of a classical pinhole setup. These predictions are confirmed by our experiments. Using single-mode optical fibers with different cutoff wavelengths and commercially available mechanical components, we have constructed a mode-selective detection optics in a simple and compact dynamic light-scattering spectrometer that permits an optimal compromise between signal intensity and dynamical resolution.

© 1995 Optical Society of America

Original Manuscript: September 6, 1994
Revised Manuscript: December 13, 1994
Published: June 20, 1995

Thomas Gisler, Heinrich Rüger, Stefan U. Egelhaaf, Jürg Tschumi, Peter Schurtenberger, and Jaroslav Rička, "Mode-selective dynamic light scattering: theory versus experimental realization," Appl. Opt. 34, 3546-3553 (1995)

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