Method of determining the modulation transfer function

Details Method of determining the modulation transfer function Method of determining the modulation transfer function

1974-02-11

1976-08-31

Corbin, John K.

Optics: measuring and testing

Miscellaneous

356124, G02B 2732, G01B 900

Patent

active

039777952

ABSTRACT:
The invention relates to a method of determining the modulation transfer function of a recording support or of an optical system. In the context of the invention, an optical system includes any components with finite apertures which are required for forming an image of an object. A coherent-optically produced scatterer of known noise distribution or with a known spatial frequency spectrum is used for determining the required modulation transfer function. The modulation transfer function can be determined through the density of transparency distributions present on the recording support.

REFERENCES:
patent: 3519358 (1970-07-01), Kuttner et al.
patent: 3708217 (1973-01-01), McMahon
Scott et al., "The Use of Edge Gradients in Determining MTF"; Phot. Sci. and Eng.; vol. 7, 1963, p. 345.
Hariharan; "Evaluation of the MTF of Photographic Materials Using a Laser Speckle Pattern"; 9 Applied Optics 1482, June, 1970.

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