Realization of compact, passively cooled, high-flux photovoltaic prototypes

Daniel Feuermann, Jeffrey M. Gordon, Steve Horne, Gary Conley, Roland Winston

    Research output: Contribution to journalConference articlepeer-review

    2 Scopus citations


    The materialization of a recent conceptual advance in high-flux photovoltaic concentrators into first-generation prototypes is reported. Our design strategy includes a tailored imaging dual-mirror (aplanatic) system, with a tapered glass rod that enhances concentration and accommodates larger optical errors. esigns were severely constrained by the need for ultra-compact (minimal aspect ratio) modules, simple passive heat rejection, liberal optical tolerances, incorporating off-the-shelf commercial solar cells, and pragmatic considerations of affordable fabrication technologies. Each unit has a geometric concentration of 625 and irradiates a single square 100 mm 2 triple-junction high-efficiency solar cell at a net flux concentration of 500.

    Original languageEnglish
    Article number59420Q
    Pages (from-to)1-6
    Number of pages6
    JournalProceedings of SPIE - The International Society for Optical Engineering
    StatePublished - 1 Dec 2005
    EventNonimaging Optics and Efficient Illumination Systems II - San Diego, CA, United States
    Duration: 31 Jul 20051 Aug 2005

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering


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