Method for the characterization of Fresnel lens flux transfer performance

Juan Carlos Martinez Antón; Daniel Vázquez Moliní; Javier Muñoz de Luna; José Antonio Gómez Pedrero; Antonio Álvarez Fernández-Balbuena

doi:10.1117/12.896870

21 September 2011 Method for the characterization of Fresnel lens flux transfer performance

Juan Carlos Martinez Antón, Daniel Vázquez Moliní, Javier Muñoz de Luna, José Antonio Gómez Pedrero, Antonio Álvarez Fernández-Balbuena

Author Affiliations +

Proceedings Volume 8169, Optical Fabrication, Testing, and Metrology IV; 81690E (2011) https://doi.org/10.1117/12.896870
Event: SPIE Optical Systems Design, 2011, Marseille, France

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.

Citation Download Citation

Juan Carlos Martinez Antón, Daniel Vázquez Moliní, Javier Muñoz de Luna, José Antonio Gómez Pedrero, and Antonio Álvarez Fernández-Balbuena "Method for the characterization of Fresnel lens flux transfer performance", Proc. SPIE 8169, Optical Fabrication, Testing, and Metrology IV, 81690E (21 September 2011); https://doi.org/10.1117/12.896870

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