Unfolded aplanats for high-concentration photovoltaics

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    39 Scopus citations


    The exigencies of high-concentration photovoltaics motivate optics that (1) obviate the need for optical bonds, (2) exhibit maximal optical tolerance, (3) are not damaged at off-axis orientation, and (4) allow convenient location of the solar cell and heat sink. We show that dual-mirror unfolded aplanats can satisfy all these criteria. Lens enhancement improves compactness and, with millimeter-scale cells, concentrator depth is only a few centimeters, amenable to precise large-volume fabrication.

    Original languageEnglish
    Pages (from-to)1114-1116
    Number of pages3
    JournalOptics Letters
    Issue number10
    StatePublished - 15 May 2008

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics


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