Design considerations for use of a double-dove prism behind a concentric dome

Robert C. Gibbons; E. E. Cooper; R. G. Legan

doi:10.1117/12.46809

1 October 1991 Design considerations for use of a double-dove prism behind a concentric dome

Robert C. Gibbons, E. E. Cooper, R. G. Legan

Proceedings Volume 1498, Tactical Infrared Systems; (1991) https://doi.org/10.1117/12.46809
Event: Southcentral '91 (Dallas), 1991, Dallas, TX, United States

Abstract

The double dove prism is a common method used to achieve large scan angles with a straight line configuration. The basic concept uses two cemented dove prisms rotating at one half the desired scan angle. In most cases, this double dove prism is used behind a flat window. This paper investigates the design considerations required to use the double dove scanner behind an optical element with power, in particular, a concentric dome. The limits to achievable resolution are explored, as well as methods to compensate for the aberrations introduced by the power element.

Citation Download Citation

Robert C. Gibbons, E. E. Cooper, and R. G. Legan "Design considerations for use of a double-dove prism behind a concentric dome", Proc. SPIE 1498, Tactical Infrared Systems, (1 October 1991); https://doi.org/10.1117/12.46809

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