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Proceedings Paper

Design Considerations Of A Laser Based Multiformat Camera For Medical Imaging
Author(s): John N Sanders; Charles L Cattell Jr.; Norman E. Bender; Mike M. Tesic
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Paper Abstract

A diffraction limited laser based multiformat camera for medical imaging having a contrast transfer function (CTF) value of 90% at 2048 pixels per image width x 2048 pixels per image height and a CTF value of 37% at 4096 pixels per image width x 4096 pixels per image height has been designed and built. This unit has an 800 step gray scale recording capability. Digital interfacing and system operation are discussed. A discussion of the optical path components is presented, including choice of laser, acousto-optic modulator, film, use of a diffraction limited zoom lens, and an apodization filter. Optical resolution, scanner accuracy and image 'banding' are also discussed.

Paper Details

Date Published: 15 June 1984
PDF: 7 pages
Proc. SPIE 0454, Application of Optical Instrumentation in Medicine XII, (15 June 1984); doi: 10.1117/12.939353
Show Author Affiliations
John N Sanders, Picker International (United States)
Charles L Cattell Jr., Picker International (United States)
Norman E. Bender, Picker International (United States)
Mike M. Tesic, Picker International (United States)

Published in SPIE Proceedings Vol. 0454:
Application of Optical Instrumentation in Medicine XII
Samuel J. Dwyer III; Roger H. Schneider, Editor(s)

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