Search for the optimal solution for the optical system of the micro-CPV"-module
Levina S.A. 1, Soluyanov A.A.1, Shvarts M.Z. 1
1Ioffe Institute, St. Petersburg, Russia
Email: levina@mail.ioffe.ru

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This work is devoted to studying optical-energy characteristics of the micro-concentrator module optical part and searching for the design optimal according to criterion "the maximum average sunlight concentration in the minimum-radius focal spot ". The results of optimizing the lenses showed that the optimal solution for the micro-CPV module is an optical system made of a biconvex lens having twice the concentrating power at a focal length shorter than that of a plano-convex lens of the same dimensions. Keywords: photovoltaics, micro-concentrating module, multi-junction solar cell, optical-energy characteristics of optical systems, plano-convex and biconvex lenses.
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