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Optical Engineering

Calculation of wavefront aberrations in off-axis spherical mirror with object or image at the infinite
Author(s): Armando Gomez-Vieyra; Carlos A. Vargas; Daniel Malacara Hernandez
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Paper Abstract

With the current retinal imaging systems, laser cavities and astronomical spectroscopes, there is the need to employ off-axis reflective systems. These systems, often used in configurations where the object or image are at the infinite with respect to the spherical mirrors, are the most used in this type of instrumentation. Expressions for the wavefront aberrations in an off-axis spherical mirror with image or object at the infinite are presented, analyzed and evaluated. Formulas are derived from the optical path difference between a paroboloid, as reference surface, and a sphere. Exact and approximate expressions, assuming a relative small pupil and a small angle of incidence are presented. They can be used to design and analyze some off-axis reflective systems.

Paper Details

Date Published: 16 August 2012
PDF: 6 pages
Opt. Eng. 51(8) 083002 doi: 10.1117/1.OE.51.8.083002
Published in: Optical Engineering Volume 51, Issue 8
Show Author Affiliations
Armando Gomez-Vieyra, Univ. Autónoma Metropolitana (Mexico)
Carlos A. Vargas, Univ. Autónoma Metropolitana (Mexico)
Daniel Malacara Hernandez, Centro de Investigaciones en Óptica, A.C. (Mexico)


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