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BGU
Energy Initiative

Profs Gordon and Feuermann have developed specialized aplanatic optics for compact concentrating PV devices.

These optics are dual mirror designs that remove both spherical and coma aberrations and therefore permit a 'tighter' focus than conventional optics such as lenses or paraboloidal mirrors.

They permit either higher concentration – closer to the thermodynamic limit of concentration – or laxer optical and tracking tolerances, reducing manufacturing costs of the system.

The design has been motivated by industry and is being produced commercially for high performance concentrating photovoltaics

PV characterization of Multi-junction III-V concentrator solar cells under ultra-high flux of real sunlight