Abstract

The effect of spectrally dependent geometric distortions of images in high-aperture optical systems equipped with thick high-rho charge-coupled devices is studied. Aberration is observed in the near-infrared spectral region (0.9–1.1 µm) due to the optical–geometric properties of the matrices. In this paper we calculate the point spread function and present a model. The effect of aberration is described in terms of the signal processing theory. The effect of antireflective coatings is estimated.

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