GROUND-STATE DEPLETED SOLID-STATE LASERS - PRINCIPLES, CHARACTERISTICS AND SCALING

被引:78
作者
KRUPKE, WF
CHASE, LL
机构
[1] Lawrence Livermore National Laboratory, Livermore, 94550, California
关键词
D O I
10.1007/BF02088996
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel class of rare-earth-doped solid-state lasers is described. The ground-state depleted laser is pumped by an intense (more than tens of kW cm-2) narrow-band (less than a few nm) laser source and is characterized by: (1) an unusually low laser ion doping density (5 to 10×1018ion cm-3), (2) an unusually large fractional excited population inversion density (4 to 8×1018 ion cm-3, or >75%), (3) a gain element that is optically thick at the pump wavelength and (4) a gain element that has a substantially uniform gain distribution due to a bleaching of the pump transition at the pump intensity utilized. These features enable efficient room-temperature operation of rare-earth-ion laser transitions terminating on the ground manifold. The relationships between laser parameters (cross-sections, saturation fluences and fluxes, bleaching wave velocities, etc.) are given and laser performance scaling relationships are presented and discussed. © 1990 Chapman and Hall Ltd.
引用
收藏
页码:S1 / S22
页数:22
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