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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 1, Iss. 11 — Nov. 24, 1997
  • pp: 302–311

High speed optical tomography system for imaging dynamic transparent media

L. McMackin, R. J. Hugo, R. E. Pierson, and C. R. Truman  »View Author Affiliations

Optics Express, Vol. 1, Issue 11, pp. 302-311 (1997)

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We describe the design and operation of a high speed optical tomography system for measuring two-dimensional images of a dynamic phase object at a rate of 5 kHz. Data from a set of eight Hartmann wavefront sensors is back-projected to produce phase images showing the details of the inner structure of a heated air flow. Series of animated reconstructions at different downstream locations illustrate the development of flow structure and the effect of acoustic flow forcing.

© Optical Society of America

OCIS Codes
(110.6960) Imaging systems : Tomography
(120.6780) Instrumentation, measurement, and metrology : Temperature

ToC Category:
Focus Issue: Signal collection and recovery

Original Manuscript: September 10, 1997
Published: November 24, 1997

Lenore McMackin, Ronald Hugo, R. Pierson, and C. Truman, "High Speed Optical Tomography System for Imaging Dynamic Transparent Media," Opt. Express 1, 302-311 (1997)

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  1. L. Hesselink, Optical Tomography, in Handbook of Flow Visualization, Wen-Jei Yang, ed. (Hemisphere, New York, 1989), Chap. 20.
  2. L. McMackin, B. Masson, N. Clark, K Bishop, R. Pierson and E. Chen, "Hartmann wavefront sensor studies of dynamic organized structure in flow fields," AIAA J. 33 (11), 2158-2164 (1995). [CrossRef]
  3. R. E. Pierson, E. Y. Chen, K. P Bishop, and L. McMackin, Modeling and measurement of optical turbulence by tomographic imaging of a heated air flow, Proc. SPIE 2827, 130-141 (1996). [CrossRef]
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  6. R. E. Pierson, E. Y. Chen, and L. McMackin, "Data recovery quality measured by a narrow band correlation metric," IEEE Trans. Image Process., submitted.
  7. P.G. Drazin, and W.H. Reid, Hydrodynamic Stability (Cambridge University Press, Cambridge, 1981), p.17.
  8. R. J. Hugo, L. McMackin, Non-intrusive linearized stability experiments on a heated axisymmetric jet, AIAA paper 97-1965.
  9. J. Sapayo and C. R. Truman, Study of the development of axismmetric and helical modes in heated air jets using optical tomography, AIAA paper 97-1809.
  10. S. Raghu, B. Lehman, and P. A. Monkewitz, On the mechanism of side jets generation in periodically excited axisymmetric jets, in Advances in Turbulence 3 (Springer Verlag, Berlin, 1990), p. 221-226.
  11. C. O. Paschereit, D. Oster, T. A. Long, H. E. Fiedler, and I. J. Wygnanski, Flow visualization of interactions among large coherent structures in an axisymmetric jet, Exp. Fluids. 12, 189-199 (1992). [CrossRef]
  12. L. McMackin, R. J. Hugo, K. P. Bishop, E. Y. Chen, R. E. Pierson, and C. R. Truman, High speed optical tomography system for quantitative measurement and visualization of dynamic features in a round jet, Exp. Fluids, submitted.
  13. R. J. Hugo and L. McMackin, Conditionally sampled two-dimensional optical wavefront measurements in the near-nozzle region of a heated axisymmetric jet, Proc. SPIE 2828, 50-61 (1996). [CrossRef]

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