Grating Detectability: A Method to Evaluate Aberration Effects In Visual Instruments

Michael K. Giles

doi:10.1117/12.7972316

1 February 1979 Grating Detectability: A Method to Evaluate Aberration Effects In Visual Instruments

Michael K. Giles

Author Affiliations +

Optical Engineering, Vol. 18, Issue 1, 180133 (February 1979). https://doi.org/10.1117/12.7972316

Abstract

The theory of signal detectability is used to evaluate the effects of instrument aberrations on a total visual optical system with the human eye included. A quantitative measure of grating detectability is obtained using a single-stimulus, random-presentation procedure, with multiple-rating responses. The results indicate that the detectability of square-wave gratings, viewed through a telescope, decreases as aberrations are introduced in the instrument. The amount of degradation is determined for each of six aberration conditions. This degradation index can be used to obtain the degraded modulation transfer function of the total system for each aberration condition.

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Michael K. Giles "Grating Detectability: A Method to Evaluate Aberration Effects In Visual Instruments," Optical Engineering 18(1), 180133 (1 February 1979). https://doi.org/10.1117/12.7972316

Published: 1 February 1979

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