The authors examine the processes of interaction of coherent radiation with solids, physical relationships governing lasing in dielectric crystals and glasses, activated by luminescent impurities.

• 作者检查粘在一起辐射与管理在非导电性的水晶和眼镜内的激光作用的固体，物质关系一起的相互作用的过程，被发光的杂质开动。