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Proceedings Paper

Method for the characterization of Fresnel lens flux transfer performance
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Paper Abstract

Fresnel lenses and other faceted or micro-optic devices are increasingly used in multiple applications like solar light concentrators and illumination devices, just to name some representative. However, it seems to be a certain lack of adequate techniques for the assessment of the performance of final fabricated devices. As applications are more exigent this characterization is a must. We provide a technique to characterize the performance of Fresnel lenses, as light collection devices. The basis for the method is a configuration where a camera images the Fresnel lens aperture. The entrance pupil of the camera is situated at the focal spot or the conjugate of a simulated solar source. In this manner, detailed maps of the performance of different Fresnel lenses are obtained for different acceptance angles.

Paper Details

Date Published: 21 September 2011
PDF: 7 pages
Proc. SPIE 8169, Optical Fabrication, Testing, and Metrology IV, 81690E (21 September 2011); doi: 10.1117/12.896870
Show Author Affiliations
Juan Carlos Martinez Antón, Univ. Complutense de Madrid (Spain)
Daniel Vázquez Moliní, Univ. Complutense de Madrid (Spain)
Javier Muñoz de Luna, Univ. Complutense de Madrid (Spain)
José Antonio Gómez Pedrero, Univ. Complutense de Madrid (Spain)
Antonio Álvarez Fernández-Balbuena, Univ. Complutense de Madrid (Spain)


Published in SPIE Proceedings Vol. 8169:
Optical Fabrication, Testing, and Metrology IV
Angela Duparré; Roland Geyl, Editor(s)

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