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Applied Optics

Applied Optics


  • Vol. 41, Iss. 4 — Feb. 1, 2002
  • pp: 654–657

Measurement of temperature profile of a gaseous flame with a Lau phase interferometer that has circular gratings

Madhuri Thakur, A. L. Vyas, and Chandra Shakher  »View Author Affiliations

Applied Optics, Vol. 41, Issue 4, pp. 654-657 (2002)

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We have investigated the utility of a Lau phase interferometer with circular gratings and a white-light source to measure the temperature and temperature profile of an axisymmetric flame. The temperature measured with a Lau phase interferometer is in good agreement with the temperature measured with a thermocouple and multilogger. Detailed theoretical analysis and experimental investigation are presented.

© 2002 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(110.6760) Imaging systems : Talbot and self-imaging effects
(120.6780) Instrumentation, measurement, and metrology : Temperature
(290.3030) Scattering : Index measurements

Original Manuscript: January 4, 2001
Revised Manuscript: August 31, 2001
Published: February 1, 2002

Madhuri Thakur, A. L. Vyas, and Chandra Shakher, "Measurement of temperature profile of a gaseous flame with a Lau phase interferometer that has circular gratings," Appl. Opt. 41, 654-657 (2002)

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