Mardoyan, G. R.; Benson, T. M. Influence of Chirped DBR Reflector on the Absorption Efficiency of Multi-Nanolayer Photovoltaic Structures: Wavelength-Scale Analysis by the Method of Single Expression. JTIT 2017, 69 (3), 99-106. https://doi.org/10.26636/jtit.2017.120117.