Abstract

Semiconductor Physics, Quantum Electronics & Optoelectronics, 29 (2), P. 228-238 (2026).
DOI: https://doi.org/10.15407/spqeo29.02.228

Plane-focusing optics for silicon solar photoconverters

E.E. Antonov^1*, V.V. Chernenko², V.P. Kostylyov^2*, V.S. Lysenko², D.Yu. Manko¹, I.A. Martynyuk¹, V.V. Petrov¹, V.N. Zenin¹

¹Institute for Information Recording, National Academy of Sciences of Ukraine, 2 Shpak Street, 03113 Kyiv, Ukraine
²V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 41 Nauky Avenue, 03028 Kyiv, Ukraine
^*Corresponding author e-mail: antv1947@gmail.com; vkostylyov@ukr.net

Abstract. A simulation algorithm has been developed and geometric parameters of plane-focusing lenses for concentrator solar energy systems with Si photoconverters have been calculated. These lenses form a homogeneous image in the focal plane, so they are promising for use in such systems and allow minimizing thermal and electrical losses in solar modules caused by non-uniform illumination of the photoconverter surface. A technology of manufacturing stamp-matrixes by diamond microcutting has been developed. Based on the simulation results, a number of plane-focusing lens samples have been formed by thermopressing technique using metal matrices. The manufactured samples of square-shaped specialized transforming microprismatic structures have been experimentally investigated using a collimated laser beam.

Keywords: microprism simulation algorithm, plane-focusing optics, microrelief structure.

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