2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/163945Obtained is a new thermostable material for active elements of tunable IR-lasers - Zn1-xMgxSe:Cr2+ single crystals. The position of the absorption band of Cr2+ ions in wurtzite-type Zn0.8Mg0.2Se matrix is established.2 pages, 1 figure, Journal website: http://www.isc.kharkov.com/journal/index.htmlOpticsGeneral Physicstext