Affiliation: | a Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, 15/19 Nowowiejska Str., 00-665 Warsaw, Poland b Institute of Applied Physics, Military University of Technology, 2 Kaliskiego Str., 00-908 Warsaw, Poland c Institute of Computer Science, Higher Vocational School, 102 Sidorska Str., 21-500 Biala Podlaska, Poland |