Abstract
Laser-power converters with a wavelength of λ = 809 nm are fabricated on the basis of single-junction AlGaAs/GaAs heterostructures grown by the method of liquid-phase epitaxy (LPE). Photovoltaic modules with an operating voltage of 4 V for converting radiation of various densities are developed and tested. Two approaches—without the use of optical concentrating systems and with the use of Fresnel lenses are investigated. A monochromatic conversion efficiency exceeding 44% is attained with a photovoltaic module based on 64 laser-radiation converters 0.04 cm2 in area and a concentrating system made of a quartz-lens matrix.
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Original Russian Text © V.P. Khvostikov, S.V. Sorokina, N.S. Potapovich, O.A. Khvostikova, N.Kh. Timoshina, 2017, published in Fizika i Tekhnika Poluprovodnikov, 2017, Vol. 51, No. 5, pp. 676–679.
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Khvostikov, V.P., Sorokina, S.V., Potapovich, N.S. et al. Laser (λ = 809 nm) power converter based on GaAs. Semiconductors 51, 645–648 (2017). https://doi.org/10.1134/S1063782617050128
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DOI: https://doi.org/10.1134/S1063782617050128