Fiber-Optic Interferometer And Its Application For Photographic Materials Testing

Janusz W. Sadowski

doi:10.1117/12.952405

16 July 1986 Fiber-Optic Interferometer And Its Application For Photographic Materials Testing

Janusz W. Sadowski

Proceedings Volume 0599, Optics in Engineering Measurement; (1986) https://doi.org/10.1117/12.952405
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

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.

Citation Download Citation

Janusz W. Sadowski "Fiber-Optic Interferometer And Its Application For Photographic Materials Testing", Proc. SPIE 0599, Optics in Engineering Measurement, (16 July 1986); https://doi.org/10.1117/12.952405

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