Twinfocus photovoltaic system.
Centro S., Nardello M.
Our group cooperated with leading edge industries, active in automotive lighting and plastic materials moulding, to realize TwinFocus. TwinFocus is a CPV solution that adopts quasi-parabolic, off axis mirrors, to obtain a concentration of $760\times$ on 3J solar cells with 44% efficiency. The adoption of this optical solution allows for a cheap, lightweight and space efficient system. Intensive study was dedicated to the shaping of the mirrors and the quality of its aluminium coating, maximising the efficiency of the system (28%). We dedicated great attention to the use of recyclable materials and to the reduction of weights to a minimum level.