High-peak-power second-harmonic generation of single-stage Yb-doped fiber amplifiers

被引：0
作者：
Ryusuke Horiuchi
Koichi Saiki
Koji Adachi
Kazuyoku Tei
Shigeru Yamaguchi
机构：
[1] Tokai University,Department of Physics
来源：
Optical Review | 2008年 / 15卷
关键词：
second-harmonic generation; fiber amplifier; high-peak-power; ytterbium; LBO;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A high-peak-power and high-repetition-rate fiber laser architecture is successfully demonstrated using a single-stage fiber amplifier. Nonlinear optical effects in a fiber amplifier degrade the monochromaticity of amplified laser pulses. In general, it is difficult for a non-monochromatic laser pulse to realize high-order harmonic generation with bulk nonlinear optical crystals. To overcome this problem, a single-stage amplifier architecture and a gain fiber with a high cladding absorption coefficient are employed. Furthermore, single-stage amplification enables the use of a multi-longitudinal mode electro-optically (EO) Q-switched micro seed laser. This architecture can generate a peak power of 100 kW at 50 kHz and an average power of 10 W. A second-harmonic conversion efficiency of 51% is obtained using this architecture and a LiB3O5 (LBO) crystal.
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页码：136 / 139
页数：3
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