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Determination of refractive properties of fluids for dual-wavelength interferometryMethods to calculate the refractive properties of solutions at different wavelengths are described by using experimental data at just two wavelengths. The properties are the refractive index and its gradients with temperature and concentration. Cauchy's equation is used to determine the refractive indices. The gradients versus temperature and concentration are then determined by using the Murphy-Alpert and the Lorentz-Lorenz equation, respectively. Finally, the particular case of a triglycine sulfate aqueous solution is considered as an example. The approach should provide the desired information for fringe analysis when dual-wavelength holographic or other interferometry is used for solving heat and mass transfer problems in fluids during crystal-growth experiments.
Document ID
19930033832
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Vikram, Chandra S.
(Alabama Univ. Huntsville, United States)
Witherow, William K.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Trolinger, James D.
(MetroLaser Irvine, CA, United States)
Date Acquired
August 15, 2013
Publication Date
December 1, 1992
Publication Information
Publication: Applied Optics
Volume: 31
Issue: 34
ISSN: 0003-6935
Subject Category
Optics
Accession Number
93A17829
Funding Number(s)
CONTRACT_GRANT: NAS8-38078
Distribution Limits
Public
Copyright
Other

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