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PHOTON AVALANCHE UPCONVERSION LASER AT 644NM

被引：89
作者：
KOCH, ME
KUENY, AW
CASE, WE
机构：
来源：
APPLIED PHYSICS LETTERS | 1990年 / 56卷 / 12期
关键词：
D O I：
10.1063/1.103328
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have obtained efficient laser action from Pr-doped LaCl3 using a novel pumping method. Pump energy is coupled into the crystal through Pr ions in an excited state rather than the ground state. Excited-state absorption is made possible by a regenerative feedback process (the photon avalanche) utilizing cross relaxation to convert the energy of a single ion in a high-lying state into energy shared by multiple lower lying state ions.
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页码：1083 / 1085
页数：3
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