OSCILLATION CHARACTERISTICS OF DIODE-PUMPED TM-YAG AND TM,HO-YAG MICROCHIP LASERS

被引：18
|
作者：
YOKOZAWA, T
NAKAJIMA, H
YAMAMOTO, T
HARA, H
机构：
[1] Research Institute, Ishikawajima-Harima Heavy Industries Co., Ltd., Isogo-ku, Yokohama 235
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1995年 / 66卷 / 09期
关键词：
D O I：
10.1063/1.1145340
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We have studied the output power, slope efficiency and oscillation threshold of a diode-pumped Tm:YAG microchip laser by using two different resonator configurations (half-symmetric and near-planar) for the development of an eye-safe remote sensing laser system. The half-symmetric resonator was superior in output power, slope efficiency and threshold, their values for a crystal temperature of 20 degrees C being 29 mW, 37%, and 28 mW, respectively. But the near-planar resonator was superior in producing single mode oscillation, giving an output power of 2 mW at a crystal temperature of -10 degrees C. Between Tm:YAG and Tm,Ho:YAG microchip lasers, moreover, the latter was found to fall short in slope efficiency and threshold, indicating that the effects of Ho as a dopant on the output power is negative. Possible explanations for the difference are given. (C) 1995 American Institute of Physics.
引用
收藏
页码：4453 / 4457
页数：5
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