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Proceedings Paper

Aberration Analyses Of Four-Spherical Mirror System Corrected For Three Seidel Aberrations
Author(s): Jong Ung Lee; Sang Soo Lee
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Paper Abstract

We have much interest in four-spherical mirror system as an infrared imagery because mirror system employing spherical surfaces can be fabrii4ted easily with low cost. Aplanatic Cassegrainian-inverse Cassegrainian system have been suggested. ' But the performance of the system is limited by off-axial aberrations, while the use of Germanium lens for correction of off-axial aberrations introduces inevitably chromatic aberrations, so that the four-spherical mirror system which satisfies the aplanatic conditions and is corrected for off-axial aberrations has been required. We introduce the four-spherical mirror systems corrected for three Seidel aberrations such as anastigmatic aplanat, flat field aplanat and zero distortion aplanat.

Paper Details

Date Published: 1 January 1987
PDF: 2 pages
Proc. SPIE 0813, Optics and the Information Age, (1 January 1987); doi: 10.1117/12.967401
Show Author Affiliations
Jong Ung Lee, Korea Advanced Institute of Science and Technology (Korea)
Sang Soo Lee, Korea Advanced Institute of Science and Technology (Korea)

Published in SPIE Proceedings Vol. 0813:
Optics and the Information Age

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