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Optical Engineering

Electro-optical hardware considerations in measuring the imaging capability of scanned time-delay-and-integrate charge-coupled imagers
Author(s): Terrence S. Lomheim; Lee W. Schumann; Ralph M. Shima; James S. Thompson; Warren F. Woodward
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Paper Abstract

Accurate experimental characterization of the imaging properties of scanned time-delay-and-integrate (TDI) charge-coupled imagers (CCIs) requires careful consideration ofthe electro-mechanical and electro optical control of the associated scanned imaging hardware configuration. We describe an electro-optical imaging hardware system that is designed to provide precise electronic control of the scanned image motion and image capture processes when using a TDI CCI. This, along with the ability to vary important optical parameters, allows parametric characterization of TDI CCI imaging capabilities within the context of the system (optics plus scanned TDI CCI) modulation transfer function. Several examples of multi-frequency bar pattern images, recorded with the electro-optical scanned imaging system using a TDI CCI, are provided to qualitatively illustrate the important experimental details and parametrics.

Paper Details

Date Published: 1 August 1990
PDF: 17 pages
Opt. Eng. 29(8) doi: 10.1117/12.55677
Published in: Optical Engineering Volume 29, Issue 8
Show Author Affiliations
Terrence S. Lomheim, The Aerospace Corp. (United States)
Lee W. Schumann, The Aerospace Co. (United States)
Ralph M. Shima, The Aerospace Corp. (United States)
James S. Thompson, The Aerospace Corp. (United States)
Warren F. Woodward, The Aerospace Corp. (United States)

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