1 May 2015 Light trap with reactive sun tracking for high-efficiency spectrum splitting photovoltaic conversion
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Abstract
We present a design for a modification of a previously proposed light-trapping solar collector that enables reactive solar tracking by the incorporation of an optically activated transparency-switching material. The material forms an entry aperture whose position reactively varies to admit sunlight, which is focused to a point on the receiving surface by a lens or set of lenses, over a wide range of solar angles. An analytic model for assessing device performance based on statistical ray optics is described and confirmed by raytrace simulations on a model system.
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H. Apostoleris, H. Apostoleris, M. Chiesa, M. Chiesa, M. Stefancich, M. Stefancich, } "Light trap with reactive sun tracking for high-efficiency spectrum splitting photovoltaic conversion", Proc. SPIE 9516, Integrated Optics: Physics and Simulations II, 951617 (1 May 2015); doi: 10.1117/12.2179944; https://doi.org/10.1117/12.2179944
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