Method for the characterization of Fresnel lens flux transfer performance



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Martínez Antón, Juan Carlos and Vázquez Moliní, Daniel and Muñóz de la Luna, Javier and Gómez Pedrero, José Antonio and Álvarez Fernández-Balbuena, Antonio (2011) Method for the characterization of Fresnel lens flux transfer performance. Proceedings of SPIE, 8169 (81690E). ISSN 0277-786X

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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.

Item Type:Article
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ISBN: 978-081948795-7
Copyright 2011 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Uncontrolled Keywords:Fresnel optics characterization ; solar concentration photovoltaics ; Camera images; Fabricated device; Focal spot; Fresnel lens; Illumination devices; Light collection; Solar light concentrator; Optical instrument lenses
Subjects:Sciences > Physics > Optics
Medical sciences > Optics > Visual perception
Medical sciences > Optics > Optoelectronics
ID Code:37784
Deposited On:23 May 2016 08:23
Last Modified:23 May 2016 08:23

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