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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 23 — Aug. 10, 2007
  • pp: 5957–5963

Simultaneous determination of bubble diameter and relative refractive index using glare circles

S. Dehaeck and J. P. A. J. van Beeck  »View Author Affiliations


Applied Optics, Vol. 46, Issue 23, pp. 5957-5963 (2007)
http://dx.doi.org/10.1364/AO.46.005957


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Abstract

In the shadow image of a spherical gas bubble, high intensity rings are visible, i.e., glare circles. These can be used to obtain a more precise estimate of the bubble diameter than can be obtained from the shadow contour. The glare circle diameter can also be used to determine the relative refractive index by comparing it with the shadow diameter. The precision of this refractive index measurement reaches the third decimal, which is demonstrated experimentally. Thus, one can simultaneously determine the bubble diameter (from the shadow contour) and the relative refractive index (from the glare circle).

© 2007 Optical Society of America

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(290.0290) Scattering : Scattering
(290.3030) Scattering : Index measurements

ToC Category:
Scattering

History
Original Manuscript: March 27, 2007
Revised Manuscript: June 12, 2007
Manuscript Accepted: June 13, 2007
Published: August 9, 2007

Citation
S. Dehaeck and J. P. A. J. van Beeck, "Simultaneous determination of bubble diameter and relative refractive index using glare circles," Appl. Opt. 46, 5957-5963 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-23-5957

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