Coded Apertures And Detectors For Optical Differentiation

Tony Wilson; Colin J.R. Sheppard

doi:10.1117/12.958891

22 August 1980 Coded Apertures And Detectors For Optical Differentiation

Tony Wilson, Colin J.R. Sheppard

Proceedings Volume 0232, 1980 Intl Optical Computing Conf II; (1980) https://doi.org/10.1117/12.958891
Event: 1980 Technical Symposium East, 1980, Washington, D.C., United States

Abstract

The general properties which an optical system must possess to display amplitude or phase contrast of both differential and non differential form are derived. These results are applied to various forms of scanning image processing systems and it is found that by suitable choice of lens or detector distribution that the desired contrast mode may be obtained. The coherent confocal system is particularly suited to the methods of coherent processing with the additional advantage of possessing twice the spatial frequency bandwidth of conventional systems.

Citation Download Citation

Tony Wilson and Colin J.R. Sheppard "Coded Apertures And Detectors For Optical Differentiation", Proc. SPIE 0232, 1980 Intl Optical Computing Conf II, (22 August 1980); https://doi.org/10.1117/12.958891

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