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Improvement of thermal effects in a diode-end-pumped, composite Tm:YAG rod with undoped ends

被引：36
作者：
Tsunekane, M
Taguchi, N
Inaba, H
机构：
[1] NEC Corp Ltd, Optoelect & High Frequency Device Res Labs, Miyamae Ku, Kanagawa 2168555, Japan
[2] NEC Corp Ltd, Laser & Mechatron Div, Kanagawa 2291136, Japan
[3] Tohoku Inst Technol, Taihaku Ku, Sendai, Miyagi 9820831, Japan
来源：
APPLIED OPTICS | 1999年 / 38卷 / 09期
关键词：
D O I：
10.1364/AO.38.001788
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present comparative studies of the laser performance of a diode-end-pumped, composite Tm:YAG rod with undoped ends. Efficient heat removal in a composite rod can reduce the peak of the rise in temperature in the a-mm-long active segment by 19% compared with that in a noncomposite rod by theoretical calculation. The threshold pump power was reduced by 10%, and the focal power of the thermal lens was improved by 15%. These improvements permit high output performance and flexible design of laser cavities in diode-end-pumped Tm:YAG lasers. (C) 1999 Optical Society of America.
引用
收藏
页码：1788 / 1791
页数：4
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