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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 35 — Dec. 10, 2012
  • pp: 8341–8349

Characteristics and applications of two-dimensional light scattering by cylindrical tubes based on ray tracing

Zhihong You, Daya Jiang, Jakob Stamnes, Jianjun Chen, and Jinghua Xiao  »View Author Affiliations

Applied Optics, Vol. 51, Issue 35, pp. 8341-8349 (2012)

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The intensity distribution of light scattered by a capillary tube filled with a liquid is studied using geometrical optics or ray tracing. Several intensity step points are found in the scattering pattern due to contributions from different geometrical rays. The scattering angles of these intensity step points vary with the capillary parameters, i.e., with the inner and outer radii of the capillary wall and the refractive indices of the liquid and the wall material. The relations between the scattering angles of the step points and the capillary parameters are analyzed using the reflection law and Snell’s law. A method is developed to determine the capillary parameters from measurements of the scattering angles of the step points. An experiment is designed to provide measured data from which the capillary parameters can be obtained by the proposed method. It is shown that this method provides capillary parameters of high precision.

© 2012 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(290.0290) Scattering : Scattering
(290.3030) Scattering : Index measurements

ToC Category:

Original Manuscript: August 21, 2012
Revised Manuscript: October 12, 2012
Manuscript Accepted: October 15, 2012
Published: December 5, 2012

Zhihong You, Daya Jiang, Jakob Stamnes, Jianjun Chen, and Jinghua Xiao, "Characteristics and applications of two-dimensional light scattering by cylindrical tubes based on ray tracing," Appl. Opt. 51, 8341-8349 (2012)

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