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Optical Engineering

Importance of Spectral Bandwidth in Quality Assurance of Night Vision Lenses
Author(s): W. A. Shand
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Paper Abstract

This paper considers the nature and magnitude of the influence of the spectral bandwidth on the MTF of a night vision objective as measured during testing and quality control and the relationship between this and the MTF values applying during the actual use of the objective. It is shown that the practical constraints which must be applied to the quality control procedures, and variations in spectral characteristics, may lead to widely differing MTF values in these two situations. The origins of these differences are also discussed.

Paper Details

Date Published: 1 June 1976
PDF: 4 pages
Opt. Eng. 15(3) 153211 doi: 10.1117/12.7971951
Published in: Optical Engineering Volume 15, Issue 3
Show Author Affiliations
W. A. Shand, MOD (PE) (United Kingdom)

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