High-magnification zoom lenses for 3- to 5-um applications

R. Lawrence Sinclair

doi:10.1117/12.328533

29 October 1998 High-magnification zoom lenses for 3- to 5-μm applications

R. Lawrence Sinclair

Proceedings Volume 3429, Current Developments in Optical Design and Engineering VII; (1998) https://doi.org/10.1117/12.328533
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Over the past twenty years numerous papers and patents have reported on the design of infrared zoom lenses for a variety of civilian and military applications. The vast majority of these lenses have been afocal 8 - 12 micrometer zoom lenses with magnification ratios of five to twenty. With the advancement of 3 - 5 micrometer staring focal plane array technology a growing demand has emerged for a compact imaging 3 - 5 micrometer zoom lens. To meet this demand a variety of such zoom lenses have been designed which support image formats of over 10 mm diagonal. In this paper the preliminary design of a high magnification 3 - 5 micrometer zoom lens is described. Infrared system modeling, detailed lens performance and manufacturing issues are reviewed.

Citation Download Citation

R. Lawrence Sinclair "High-magnification zoom lenses for 3- to 5-μm applications", Proc. SPIE 3429, Current Developments in Optical Design and Engineering VII, (29 October 1998); https://doi.org/10.1117/12.328533

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