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Proceedings Paper

MWIR continuous zoom with large zoom range
Author(s): Mark C. Sanson; James Cornell
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Paper Abstract

Multiple fields of view are achieved by two methods. The system can have optical groups that flip in and out to change the field of view, and/or optical groups that move axially to change the field of view. For flip in systems, the fields of view are discreet and they may have greatly different fields of view. A zoom system can have a continuous change in the field of view, but is often limited in the field of view range that can be achieved. Corning Incorporated has developed a thermal imaging zoom system with greater than 30X zoom range. With a solid fundamental design and appropriate selection of moving group focal lengths, the zoom system provides continuous changes in the field of view from the narrow field of view to the wide field of view. Corning accomplished this result in a short package with just two moving groups. The system is for the MWIR band.

Paper Details

Date Published: 4 May 2010
PDF: 12 pages
Proc. SPIE 7660, Infrared Technology and Applications XXXVI, 76601X (4 May 2010); doi: 10.1117/12.850375
Show Author Affiliations
Mark C. Sanson, Corning Inc. (United States)
James Cornell, Corning Inc. (United States)


Published in SPIE Proceedings Vol. 7660:
Infrared Technology and Applications XXXVI
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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