title: [Study on stimulated emission of Eu2+ in crystal KMgF3 : Eu2+].
abstract: The line emission peak of Eu2+ ion in crystal KMgF3 is at 360 nm. The probability of stimulated emission on 4f7 (6 P7/2 )-->4f7 (8 S7/2 ) transition was predicted with a four-level decay model of Eu2+ 6P7/2 excited states proposed by the authors. Optic gain and net gain coefficient (g=11. 4+/-3. 2)cm(-1) of 360 nm emission in crystal KMgF3 : Eu2+ were measured by ASE method, and the predication was proved by experiment. The net gain coefficient can be increased by annealing or doping crystal KMgF3 : Eu2+ with Gd3+ or Ce+.
authors: School of Life Science and Chemistry, Zhanjiang Normal College, Zhanjiang 524048, China.
authors: Feng-shan
authors: FS
authors: Mo
authors: Hai-quan
authors: HQ
authors: Su
authors: Guo-xian
authors: GX
authors: Zhu
authors: Chun-shan
authors: CS
authors: Shi