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1 January 1987 Continuously Variable Periodic Test Target
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Proceedings Volume 0813, Optics and the Information Age; (1987)
Event: 14th Congress of the International Commission for Optics, 1987, Quebec, Canada
The modulus of the optical transfer function (MTF) of the eye or any other optical system is usually evaluated by imaging either several gratings each with different spatial frequency, or a single test target having patterns with different frequencies (USAF resolution chart). In any of these two usual procedures, the measurement of the MTF is made at discrete values of the spatial frequency. Here we describe a method based on the self-imaging phenomenon for producing periodic patterns with a continuous variation, within a certain interval, of the spatial frequency.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
P. Andres, J . Ojeda-Castareda, and J. C. Barreiro "Continuously Variable Periodic Test Target", Proc. SPIE 0813, Optics and the Information Age, (1 January 1987);

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