Geometrical and physical theory of image formation: a synthesis

Harold H. Hopkins

doi:10.1117/12.140994

1 January 1993 Geometrical and physical theory of image formation: a synthesis

Harold H. Hopkins

Proceedings Volume 1781, Specification and Measurement of Optical Systems; (1993) https://doi.org/10.1117/12.140994
Event: Optical Systems Design '92, 1992, Berlin, Germany

Abstract

A basic relation in the diffraction theory of the image of a point source is that the distribution of complex amplitude in the PSF is given by the Fourier transform of the distribution of complex amplitude over a reference (or pupil) sphere at the exit pupil. For this relationship to be valid it is essential to express the complex amplitude over the reference sphere as a function of the rectangular coordinates of points on the exit pupil sphere, and not those of points in the exit pupil plane. I describe in what follows the advantages of using, also in geometrical optics, the reference spheres in the object and image spaces respectively as the surfaces of the entrance and exit pupils, rather than the pupil planes.

Citation Download Citation

Harold H. Hopkins "Geometrical and physical theory of image formation: a synthesis", Proc. SPIE 1781, Specification and Measurement of Optical Systems, (1 January 1993); https://doi.org/10.1117/12.140994

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KEYWORDS

Optical spheres

Point spread functions

Optical testing

Diffraction

Geometrical optics

Image acquisition

Wavefront aberrations

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