Abstract

The wave optical imaging performance of a telescope system is determined for different wavefront deviations. The point spread function, the radial energy integral in the point image, and modulation transfer functions are derived for four different magnitudes of the wavefront deviations. A feasible optimum surface precision of the imaging surfaces can be assessed.

© 1971 Optical Society of America

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Figures (6)

Fig. 1
Fig. 1

Elevation chart with contour lines of the wavefront deviations of an optical aperture in fractions of the wavelength of light.

Fig. 2
Fig. 2

Point spread function for surface deviations of 0.8λ; with average, maximum, and minimum curves with the ideal function and the curve from spot diagram (SD).

Fig. 3
Fig. 3

Normalized point spread functions, average values for 0.8λ, 0.4λ, 0.2λ, 0.1λ, and zero deviation.

Fig. 4
Fig. 4

Energy integral functions for the cases in Figs. 2 and 3.

Fig. 5
Fig. 5

Modulation transfer functions for 0.8λ deviation, average values with range of maxima and minima.

Fig. 6
Fig. 6

Modulation transfer functions average values for all four cases.

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