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Appl Opt. 2006 Oct 10;45(29):7622-7.

Elliptical concentrators.

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Departamento Física Aplicada a los Recursos Naturales, Universidad Politécnica de Madrid, Escuela Técnica Superior de Ingenieros de Montes, Ciudad Universitaria, Madrid, Spain.


Nonimaging optics is a field devoted to the design of optical components for applications such as solar concentration or illumination. In this field, many different techniques have been used to produce optical devices, including the use of reflective and refractive components or inverse engineering techniques. However, many of these optical components are based on translational symmetries, rotational symmetries, or free-form surfaces. We study a new family of nonimaging concentrators called elliptical concentrators. This new family of concentrators provides new capabilities and can have different configurations, either homofocal or nonhomofocal. Translational and rotational concentrators can be considered as particular cases of elliptical concentrators.


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