Kerr-lens mode-locked femtosecond polycrystalline Cr2+: ZnS and Cr2+: ZnSe lasers

被引：34
|
作者：
Vasilyev, Sergey [1 ]
Mirov, Mike [1 ]
Gapontsev, Valentin [2 ]
机构：
[1] IPG Photon Midinfrared Lasers, Birmingham, AL 35203 USA
[2] IPG Photon Corp, Oxford, MA 01540 USA
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 05期
关键词：
D O I：
10.1364/OE.22.005118
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the first Kerr-lens mode-locked polycrystalline Cr2+:ZnS and Cr2+:ZnSe lasers, with pulse duration of 125 fs at a pulse repetition rate of 160 MHz, emitting around 2.3 - 2.4 mu m. The mode-locked lasers were pumped by a radiation of 1550 nm Er-fiber amplifier seeded by semiconductor laser. The long-term stable Kerr-lens mode-locked laser operation with the output power of 30 mW (Cr2+:ZnS) and 60 mW (Cr2+:ZnSe) was obtained. We also demonstrate amplification of the fs laser pulse train in a cw pumped single- pass polycrystalline Cr2+:ZnS laser amplifier. (C)2014 Optical Society of America
引用
收藏
页码：5118 / 5123
页数：6
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