Synthesis, Characterization and Optical Constants of Silicon Oxycarbide Faisal Ahmed Memon, Francesco Morichetti, Muhammad Ishaque Abro, Giosue Iseni, Claudio Somaschini, Umair Aftab and Andrea Melloni EPJ Web Conf., 139 (2017) 00002 Published online: 23 March 2017 DOI: 10.1051/epjconf/201713900002