Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
Volume 29, Issue 9, Pages 1977-1985Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAA.29.001977
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Funding
- Programa de Apoyo a Proyectos de Investigacion e Innovacion Tecnologica-Universidad Nacional Autonoma de Mexico (PAPIIT-UNAM) project [IN113510]
- Consejo Nacional de Ciencia y Tecnologia (CONACyT) [168570]
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We study the formation of caustic surfaces produced by a concave conic mirror considering a point source placed at arbitrary position along the optical axis. Using the caustic formula and a paraxial approximation, we derive analytic expressions to evaluate the spherical aberration at the third order. A formula to reduce this aberration at any order is provided, which gives the condition for stigmatic points. Furthermore, we apply the formulas to evaluate the circle of least confusion for a concave conic mirror as a function of all parameters involved in the process of reflection. (C) 2012 Optical Society of America
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