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Optical Engineering

Some parameters and characteristics of an off-axis paraboloid
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Paper Abstract

A reflecting off-axis paraboloid is frequently used either to collimate the light from a point source or to concentrate in a point the light from a collimated beam. Because these paraboloids are expensive and difficult to manufacture, a spherical mirror is frequently used instead. The aberrations arising with this substitution are analyzed and evaluated.

Paper Details

Date Published: 1 September 1991
PDF: 4 pages
Opt. Eng. 30(9) doi: 10.1117/12.55934
Published in: Optical Engineering Volume 30, Issue 9
Show Author Affiliations
Daniel Malacara-Hernandez, Ctr. de Investigaciones en Optica, A.C. (Mexico)


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