Measuring soap black films by phase-shifting interferometry

Year: 1994

Authors: Greco V., Iemmi C., Ledesma S., Molesini G., Puccioni G.P., Quercioli F.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: The application of phase shifting interferometry to the study of thin soap films is presented. A precision optical cell for film production is described, and the measuring sequence is detailed. Representative results on a known surfactant are also given.


Volume: 5(8)      Pages from: 900  to: 903

KeyWords: Double layer repulsion; Matrix detector array; Optical path difference; Phase shifting interferometry; Precision optical cell; Sodium dodecyl sulphate; Static black films; Thin soap films; Visible light reflectivity; X ray reflectivity, Data acquisition; Film preparation; Optical films; Optical testing; Sensitivity analysis; Spatial variables measurement; Surface active agents; Thin films; Interferometry
DOI: 10.1088/0957-0233/5/8/005

Citations: 7
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