Stable laser glass - contg. beryllium fluoride, aluminium fluoride and rare earth metal fluoride

摘要

Laser glass includes 5-35% BeF2, 30-50% AlF3 and a dopant consisting of rare earth metal fluorides. Glass also contains as modifier MgF2, CaF3 and/or BaF2 and opt. CdF2 and PbF2. Glass is not hygroscopic as are prior art beryllia based laser glasses, it is less expensive and less toxic.