Phase shifting, spatial Fourier transform, and fringe tracking analysis of hypersonic flow field holographic interferograms

Chris K. Karaguleff; Ronald A. Parker; James E. Craig

doi:10.1117/12.165464

10 December 1993 Phase shifting, spatial Fourier transform, and fringe tracking analysis of hypersonic flow field holographic interferograms

Chris K. Karaguleff, Ronald A. Parker, James E. Craig

Author Affiliations +

Proceedings Volume 2003, Interferometry VI: Techniques and Analysis; (1993) https://doi.org/10.1117/12.165464
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

This paper describes the analysis of holographic interferograms of turbulent flowfields, obtained from hypersonic shock tunnel evaluation tests of cooled, aero-optic window designs. Three different fringe analysis techniques -- phase shifting, spatial Fourier transform, and fringe tracking -- are compared and contrasted.

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Chris K. Karaguleff, Ronald A. Parker, and James E. Craig "Phase shifting, spatial Fourier transform, and fringe tracking analysis of hypersonic flow field holographic interferograms", Proc. SPIE 2003, Interferometry VI: Techniques and Analysis, (10 December 1993); https://doi.org/10.1117/12.165464

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