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Proceedings Paper

The Use Of MTF Methods For Quality Control Of Image Forming Systems
Author(s): T L Williams
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Paper Abstract

There are many variables in the manufacture of an optical system which affect its final performance. Examples of these are: homogeneity, refractive index and dispersion of transmitting materials, thickness, radii of curvature and surface form of individual elements, relative separation, centration and tilt of assembled components etc. It is usual to exercise some degree of quality control at the different stages in manufacture but except in a few very simple types of system this is not sufficient to ensure that the final complete system will perform adequately. In general it is therefore necessary to carry out some form of testing on the assembled image forming system to check that the quality of the final image is acceptable. This applies equally well to optical as well as electro-optical systems.

Paper Details

Date Published: 16 March 1976
PDF: 10 pages
Proc. SPIE 0073, Quality Assurance in Optical and Electro-Optical Engineering, (16 March 1976); doi: 10.1117/12.954687
Show Author Affiliations
T L Williams, Sira Institute Ltd (England)

Published in SPIE Proceedings Vol. 0073:
Quality Assurance in Optical and Electro-Optical Engineering
Lionel R. Baker, Editor(s)

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