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18 September 2013 New Fresnel Köhler optical design: 9-fold photovoltaic concentrator
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Abstract
Non-uniform irradiance patterns created by Concentrated Photovoltaics (CPV) concentrators over Multi-Junction Cells (MJC) can originate significant power losses, especially when there are different spectral irradiance distributions over the different MJC junctions. This fact has an increased importance considering the recent advances in 4 and 5 junction cells. This work presents a new CPV optical design, the 9-fold Fresnel Köhler concentrator, prepared to overcome these effects at high concentrations while maintaining a large acceptance angle, paving the way for a future generation of high efficiency CPV systems of 4 and 5 junction cells.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
João Mendes-Lopes, Pablo Benítez, Pablo Zamora, and Juan Carlos Miñano "New Fresnel Köhler optical design: 9-fold photovoltaic concentrator", Proc. SPIE 8834, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X, 88340A (18 September 2013); https://doi.org/10.1117/12.2024050
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