Measurement of modulation transfer function in image tubes: effects of spurious background brightness

William E. Flynt

doi:10.1117/12.161405

15 November 1993 Measurement of modulation transfer function in image tubes: effects of spurious background brightness

William E. Flynt

Proceedings Volume 1952, Surveillance Technologies and Imaging Components; (1993) https://doi.org/10.1117/12.161405
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

There are subtle effects on the MTF of any optical device when 'stray light' is present along with the test pattern (usually a slit). Reported here are observations on image intensifiers, using the Ealing Solid-State MTF analyzer, which allows more detailed readout than with some prior systems. The shape of the MTF curve at low space-frequencies can yield clues about the effects of stray light.

Citation Download Citation

William E. Flynt "Measurement of modulation transfer function in image tubes: effects of spurious background brightness", Proc. SPIE 1952, Surveillance Technologies and Imaging Components, (15 November 1993); https://doi.org/10.1117/12.161405

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