THE PHOTON AVALANCHE IN RARE-EARTH CRYSTALS

被引:63
|
作者
CASE, WE
KOCH, ME
KUENY, AW
机构
[1] Research Department, LTV Missiles and Electronics Group, Dallas, TX 75265-0003
关键词
D O I
10.1016/0022-2313(90)90191-D
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A highly nonlinear optical absorption occurs in certain rare-earth ionic crystals for light resonant only with transitions between excited states of the rare earth ion. We describe a process by which coupling to the ground state through nonradioactive cross-relaxation sustains the absorption and leads to significant excited state populations. © 1990.
引用
收藏
页码:351 / 353
页数:3
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