SPECTROSCOPIC CHARACTERISTICS OF ND3+-DOPED STRONTIUM FLUOROVANADATE AND THEIR RELATIONSHIP TO LASER PERFORMANCE

被引:23
作者
HONG, P
ZHANG, XX
PEALE, RE
WEIDNER, H
BASS, M
CHAI, BHT
机构
[1] CREOL - Center for Research and Education in Optics and Lasers, University of Central Florida, Orlando, FL 32826
关键词
D O I
10.1063/1.359391
中图分类号
O59 [应用物理学];
学科分类号
摘要
High slope efficiency and low threshold laser performance have been achieved for both long pulsed and cw operation at 1.065 μm in Nd 3+-doped strontium fluorovanadate crystal, Nd3+:Sr 5(VO4)3F, when pumped by narrow band pulsed Cr:LiSAF and cw Ti:sapphire lasers. However, there are inequivalent Nd 3+ sites in the crystal. The absorption of Nd3+ ions in secondary sites, sites other than the site which contributes to lasing, may reduce the pumping efficiency and, consequently, the lasing efficiency. Strong concentration quenching of the Nd3+ 4F3/2 state was also observed reducing the quantum efficiency of the laser transition from this state. © 1995 American Institute of Physics.
引用
收藏
页码:294 / 300
页数:7
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