Influence Of Polar Intensity Distribution Of Light Source On MTF Measurement

T. Asaeda; K. Fujibayashi; S. Minami

doi:10.1117/12.955284

12 October 1977 Influence Of Polar Intensity Distribution Of Light Source On MTF Measurement

T. Asaeda, K. Fujibayashi, S. Minami

Proceedings Volume 0098, Assessment of Imaging Systems I; (1977) https://doi.org/10.1117/12.955284
Event: Assessment of Imaging Systems, 1976, London, United Kingdom

Abstract

In many methods to measure the Modulation Transfer Function( MTF ) of an optical system, a pinhole or a slit is used as a test target. In such methods, the light flux that is diverging from a test target must illuminate the full aperture of the test lens evenly. In practice, however, it is rare to satisfy this condition especially for a measurement of an optical system of high numerical aperture. And the insufficient illumination causes some amount of error on the measured MTF values. This paper describes a method for estimating the error of MTF values that are caused by the difference of illumination condition.

Citation Download Citation

T. Asaeda, K. Fujibayashi, and S. Minami "Influence Of Polar Intensity Distribution Of Light Source On MTF Measurement", Proc. SPIE 0098, Assessment of Imaging Systems I, (12 October 1977); https://doi.org/10.1117/12.955284

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