"Polychromator" - a Method for Studying the Selective Integral Photosensitivity of Semiconductor Materials and Devices. - Zurab Jibuti; Tatiana Sakharova; Nina Khuchua; Marina Tigishvili; Revaz Melkadze; Nugzar Dolidze; Lado Jibuti; Michael Heuken (IEEE Trans. Instrum. Meas., 2021)