The behavior of photographic film, after D. H. Kelly’s three-stage model, is introduced into wavefront reconstruction. A description of the effect on the imagery is described in terms of conventional optics.
It is found that the imagery can be described analogous to (1) constructing a physical mask with a transmittance of the same form as the modulation transfer function of the film, (2) placing this mask in the focal plane of an ideal optical system, and (3) viewing the coherently illuminated object through this system.
In this way it is concluded that (1) the resolution in the reconstructed image employing plane waves is limited by the film modulation transfer function; (2) the form of imagery is similar to oblique illumination in microscopy when Leith and Upatniek’s scheme is used; and (3) the γ of the film does not affect the contrast in the reconstructed image. It only contributes to the energy distribution among the three images.
© 1966 Optical Society of AmericaFull Article | PDF Article
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