Abstract

The image of a periodic bar pattern formed by a diffraction-limited annular aperture with incoherent incident light has been investigated theoretically. Results for the irradiance distribution in the image and the rectangular-wave response have been obtained. Three typical values of the central obscuration ratio are considered and the value of bar width that gives a rectangular wave response nearly equal to that of sine wave is identified.

© 1969 Optical Society of America

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References

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Figures (8)

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Equations (11)

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