High-concentration photovoltaic designs based on miniature parabolic dishes

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    3 Scopus citations

    Abstract

    A new approach for concentrating photovoltaic systems that can easily attain the maximum flux levels commensurate with solar cell technology (of the order of 1000 suns) is proposed. The collection unit is a miniature paraboloidal dish (e.g., with a diameter of order 100 mm) which concentrates sunlight into a short glass rod. The flux distribution of the transported light is homogenized in a miniature glass kaleidoscope that is optically coupled to a small high-efficiency solar cell. The cell resides behind the dish and can be cooled adequately with a passive heat sink. These nominally independent collection units can be assembled into modules and arrays that produce almost any prescribed power level. All system elements are predicated on existing technologies.

    Original languageEnglish
    Pages (from-to)43-51
    Number of pages9
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume4446
    DOIs
    StatePublished - 1 Dec 2001
    EventNonimaging Optics: Maximum Efficiency Light Transfer VI - San Diego, CA, United States
    Duration: 2 Aug 20013 Aug 2001

    Keywords

    • High-concentration
    • Mini-dish
    • Miniaturization
    • Modular
    • Optical fiber
    • Parabolic dish
    • Photovoltaic
    • Solar cell

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