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Status of holographic interferometry at University of MichiganReflection holograms were taken of a jet of air injected traverse to a subsonic stream. The technique of reflection holograms allowed maximum viewing angle and minimum distance to the jet. Holographic interferometry is being used to measure the temperature distribution in a growing crystal. Computations of the temperatures are being made. A phase shift interferometer was used to study flows with very weak changes in refractive index, of the order of 1 shift. Tomographic techniques are being developed for strong refractive cases.
Document ID
19870020006
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Vest, Charles
(Michigan Univ. Ann Arbor, MI, United States)
Date Acquired
September 5, 2013
Publication Date
May 1, 1987
Publication Information
Publication: NASA. Ames Research Center, Automated Reduction of Data from Images and Holograms
Subject Category
Instrumentation And Photography
Accession Number
87N29439
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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