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Proceedings Paper

Fourier Analysis And Nonlinear Optical Systems
Author(s): Adolph Baker
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Paper Abstract

The Modulation Transfer Function is based on Fourier techniques which imply the validity of the principle of superposition. This is clearly violated in the nonlinear film development process. It becomes necessary to face up to this question if one is to know how much confidence to place in the results of such analysis. A pseudotransfer function is therefore defined to represent an artificial linear filter which, if it replaced the actual photographic process, would result in precisely the same image as would be produced by the real system. The results of a computer program are presented to illustrate how such an approach may be used. Some of the conditions under which the atmospheric transfer function remains undefined are also reviewed.

Paper Details

Date Published: 1 September 1968
PDF: 8 pages
Proc. SPIE 0013, Modulation Transfer Function, (1 September 1968); doi: 10.1117/12.946759
Show Author Affiliations
Adolph Baker, Lowell Technological Institute (United States)

Published in SPIE Proceedings Vol. 0013:
Modulation Transfer Function
Robert R. Shannon; Richard J. Wollensak, Editor(s)

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