Spectral Enhancement of a SiPM Array-Based Radiation Detector R. Harn, A. Osovizky, Y. Kadmon, S. Rotman, N. Kopeika and M. Ghelman EPJ Web Conf., 253 (2021) 11007 Published online: 19 November 2021 DOI: 10.1051/epjconf/202125311007