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Optical Engineering

Phase theory for multiple aperture systems
Author(s): Erin M. Sabatke; Jose M. Sasian
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Paper Abstract

We establish the groundwork for a phase theory applicable to multiple aperture systems. To do this, we define ideal behavior as the phase behavior of an off-axis piece of a system that has rotational symmetry. Then we examine the phase behavior of a more general system that has only a single plane of symmetry. This system represents a branch of a multiple aperture system. Comparison of the two systems leads to conditions for which the plane symmetric system has ideal behavior. As a result of this comparison, design rules that are commonly applied to multiple aperture systems appear naturally, including the well- known requirement that the exit pupil is a scaled copy of the entrance pupil. The phase theory that we present is cohesive, provides useful design guidelines, and can be considered an addition to wave aberration theory.

Paper Details

Date Published: 1 March 2002
PDF: 9 pages
Opt. Eng. 41(3) doi: 10.1117/1.1431969
Published in: Optical Engineering Volume 41, Issue 3
Show Author Affiliations
Erin M. Sabatke, Optical Sciences Ctr./Univ. of Arizona (United States)
Jose M. Sasian, Optical Sciences Ctr./Univ. of Arizona (United States)


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