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Optical Engineering

Laser Interferometer Controlled Microdensitometer
Author(s): John C. Butler
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Paper Abstract

The increased resolution capability of modern photographic emulsions and optics has created a need for increasingly precise and automated microdensitometry. This article describes a laser interferometer controlled microdensitometer with greatly improved positional accuracy of 0.5 micrometer.

Paper Details

Date Published: 1 December 1973
PDF: 5 pages
Opt. Eng. 12(6) 126213 doi: 10.1117/12.7971664
Published in: Optical Engineering Volume 12, Issue 6
Show Author Affiliations
John C. Butler, Mead Technology Laboratories (United States)

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