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Proceedings Paper

High-resolution, near-real-time x-ray video imaging without image intensification
Author(s): Paul Mengers
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Paper Abstract

This paper discusses a type of x-ray camera designed to generate standard RS-170 video output that does not use x-ray or optical image intensifiers. Instead, it employs a very sensitive, very high resolution CCD sensor which views an x-ray-to-light conversion screen directly through a high speed imaging lens. This new solid state TV camera, which is described later, has very low readout noise plus unusually high gain which enables it to generate real-time video with incident flux levels typical of many inspection applications. Perhaps more important is an ability to integrate for multiple frame intervals on the chip followed by the output of a standard, RS-170 format video frame containing two balanced interlaced fields. In this integrating mode excellent quality images of low contrast objects can be obtained with only a few tenths of a second integration intervals. The basic elements of this type of camera are described and applications discussed where this approach appears to have important advantages over other methods in common use.

Paper Details

Date Published: 16 December 1993
PDF: 11 pages
Proc. SPIE 2009, X-Ray Detector Physics and Applications II, (16 December 1993); doi: 10.1117/12.164739
Show Author Affiliations
Paul Mengers, PAULTEK Imaging (United States)

Published in SPIE Proceedings Vol. 2009:
X-Ray Detector Physics and Applications II
Victor J. Orphan, Editor(s)

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