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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