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Proceedings Paper

Fiber-Optic Interferometer And Its Application For Photographic Materials Testing
Author(s): Janusz W. Sadowski
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Paper Abstract

A simple fiber-optic interferometer was developed for testing black & white photographic materials. By means of the interferometer a sinusoidal fringe pattern is formed directly on a film under investigation, and the fringe spacing can be gradually varied. After developing and examining the film in coherent light it is possible to determine the absolute value of its resolving power. The resolving powers of several common negative films were measured to verify the usefulness of the method in photographic materials testing.

Paper Details

Date Published: 16 July 1986
PDF: 4 pages
Proc. SPIE 0599, Optics in Engineering Measurement, (16 July 1986); doi: 10.1117/12.952405
Show Author Affiliations
Janusz W. Sadowski, University of Joensuu (Finland)


Published in SPIE Proceedings Vol. 0599:
Optics in Engineering Measurement
William F. Fagan, Editor(s)

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