G, Umamaheswar, Devarajulu Gelija, Ramaswamy V, and Deva Prasad Raju Borelli. “Spectroscopic Properties of Yb3+ Nd3+ Co-Doped Ions in SiO2-Al2O3-Na2CO3-SrF2-CaF2 Oxyfluoride Glasses for Photonic Applications”. Photonics Letters of Poland 10, no. 1 (March 31, 2018): 29–31. Accessed November 20, 2024. http://m.photonics.pl/PLP/index.php/letters/article/view/10-11.