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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 18 — Jun. 20, 2004
  • pp: 3600–3607

Global rainbow thermometry: improvements in the data inversion algorithm and validation technique in liquid-liquid suspension

Maria Rosaria Vetrano, Jeronimus Petrus Antonius Johannes van Beeck, and Michel Léon Riethmuller  »View Author Affiliations


Applied Optics, Vol. 43, Issue 18, pp. 3600-3607 (2004)
http://dx.doi.org/10.1364/AO.43.003600


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Abstract

Improvements on the validation of a nonintrusive laser-based measurement technique are presented. This new technique, called global rainbow thermometry (GRT), is capable of determining the temperature and the size distributions of liquid droplets dispersed in a liquid or gaseous bulk. We propose a new data inversion algorithm that takes into account the whole rainbow pattern. Experimental validation of the GRT technique is performed for a liquid-liquid suspension. We performed the validation by comparing the measurements obtained with the GRT technique for the mean droplet temperature and size with the results obtained with alternative techniques.

© 2004 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(120.6780) Instrumentation, measurement, and metrology : Temperature

History
Original Manuscript: November 26, 2003
Revised Manuscript: March 25, 2004
Published: June 20, 2004

Citation
Maria Rosaria Vetrano, Jeronimus Petrus Antonius Johannes van Beeck, and Michel Léon Riethmuller, "Global rainbow thermometry: improvements in the data inversion algorithm and validation technique in liquid-liquid suspension," Appl. Opt. 43, 3600-3607 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-18-3600

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