Abstract

The combination of an image intensifier and a TV pickup tube incorporating the electron-bombarded silicon gain storage target is one of the more promising new sensors now available for low-light-level imaging. In this paper, the resolution vs irradiance characteristics of this sensor are predicted using the electrical parameters of the sensor and the observer requirements as derived from psychophysical experimentation. Analytically derived results, which include the observer as an integral part of the sensory system, are shown to be in good agreement with experimentally measured results.

© 1972 Optical Society of America

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