HIGH-POWER ND-YLF LASER END-PUMPED BY A DIODE-LASER BAR

被引：50
|
作者：
GRAF, T
BALMER, JE
机构：
[1] Institute of Applied Physics, University of Berne, Berne
来源：
OPTICS LETTERS | 1993年 / 18卷 / 16期
关键词：
6;
D O I：
10.1364/OL.18.001317
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on a Nd:YLF laser that is end pumped by a quasi-cw diode-laser bar. A fiber-optic coupler was developed to collimate and transform the cross section of the diode-laser radiation for increased spatial overlap with the TEM00 mode of the Nd:YLF laser. With 12.3-mJ, 200-mus pump pulses, an optical-to-optical efficiency of 25% and a slope efficiency of 28% were obtained in free-running operation. In Q-switched operation with 19.25-mJ, 400-mus pump pulses, peak powers as high as 210 kW with 3-mJ pulse energy were obtained.
引用
收藏
页码：1317 / 1319
页数：3
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