Crane, Richard W., Sojka, ?ukasz, Furniss, David, Nunes, Joel, Barney, Emma, Farries, Mark C., Benson, Trevor M., Sujecki, Slawomir, Seddon, Angela B., "Experimental photoluminescence and lifetimes at wavelengths including beyond 7 microns in Sm3+-doped selenide-chalcogenide glass fibers", Optics Express, 2020