Waqidi Falicoff

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A novel HCPV nonimaging concentrator concept with high concentration (>500x) is presented. It uses the combination of a commercial concentration GaInP/GaInAs/Ge 3J cell and a concentration Back-Point-Contact (BPC) concentration silicon cell for efficient spectral utilization, and external confinement techniques for recovering the 3J cell’s reflection. The(More)
Freeform surfaces are important in designing state-of-the-art nonimaging optics for high efficiency concentration phototovoltaics (CPV). CPV designs will be presented that use freeform and thin-film optical components with the potential to achieve 45% electrical conversion.
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