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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 638–641

One-dimensional rainbow thermometry system by using slit apertures

Xuecheng Wu, Haoyu Jiang, Yingchun Wu, Jin Song, Gérard Gréhan, Sawitree Saengkaew, Linghong Chen, Xiang Gao, and Kefa Cen  »View Author Affiliations

Optics Letters, Vol. 39, Issue 3, pp. 638-641 (2014)

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A new rainbow thermometry system by using slit apertures and a laser light sheet, called a one-dimensional rainbow thermometry (ORT) system, has been developed as an extension of global rainbow thermometry (GRT). This system is capable of one-dimensional or line measurements of the size and refractive index of droplets in the spray space, while the conventional GRT system is normally considered a typical “single-point” or “small volume” measurement method. The performance of this new system was tested and verified with both water and ethanol spray. The results show the feasibility and potential of ORT in simultaneous and one-dimensional measurement of the size and refractive index of liquid droplets, especially in the research field of spray evaporation and combustion.

© 2014 Optical Society of America

OCIS Codes
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(120.6780) Instrumentation, measurement, and metrology : Temperature
(290.4020) Scattering : Mie theory
(290.5850) Scattering : Scattering, particles

ToC Category:

Original Manuscript: August 28, 2013
Revised Manuscript: November 13, 2013
Manuscript Accepted: December 19, 2013
Published: January 28, 2014

Xuecheng Wu, Haoyu Jiang, Yingchun Wu, Jin Song, Gérard Gréhan, Sawitree Saengkaew, Linghong Chen, Xiang Gao, and Kefa Cen, "One-dimensional rainbow thermometry system by using slit apertures," Opt. Lett. 39, 638-641 (2014)

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