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Applied Optics

Applied Optics


  • Vol. 28, Iss. 21 — Nov. 1, 1989
  • pp: 4662–4667

Tunable differential interferometer for optical tomography

Gregory W. Faris and Hans M. Hertz  »View Author Affiliations

Applied Optics, Vol. 28, Issue 21, pp. 4662-4667 (1989)

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We report the use of a tunable differential interferometer for optical tomography. This interferometer has several advantages over other methods for phase measurements in optical tomography, including good stability, variable sensitivity, and the elimination of fringe ambiguity. Quantitative images of the gas concentrations in subsonic jets of methane and oxygen issuing into air are presented, with absolute accuracies better than 3.5% and 4.5%, respectively.

© 1989 Optical Society of America

Original Manuscript: March 15, 1989
Published: November 1, 1989

Gregory W. Faris and Hans M. Hertz, "Tunable differential interferometer for optical tomography," Appl. Opt. 28, 4662-4667 (1989)

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