The spectral properties and opto-thermostability of the colourcenters in KMgF_3 crystals were investigated. A new absorption peak at 830nm was found.

• 对着色 KMgF_3晶体进行了光谱分析,在830nm 处发现一个新的吸收峰,该吸收峰由870nm 吸收峰转换形成的。