Ultrafast thulium-doped fiber-oscillator with pulse energy of 4.3 nJ

被引：92
|
作者：
Engelbrecht, Martin [1 ]
Haxsen, Frithjof [1 ]
Ruehl, Axel [1 ]
Wandt, Dieter [1 ]
Kracht, Dietmar [1 ]
机构：
[1] Laser Zentrum Hannover eV, D-30419 Hannover, Germany
来源：
OPTICS LETTERS | 2008年 / 33卷 / 07期
关键词：
D O I：
10.1364/OL.33.000690
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A femtosecond fiber laser based on thulium-doped double-clad silica fiber with an internal dispersion compensation is presented that generates pulses at a center wavelength of 1976 nm with an energy of 4.3 nJ and a duration of 1.2 ps. The dechirped pulse duration is 294 fs. The pulse energy is more than 2 orders of magnitude above the pulse energy demonstrated previously. Mode locking is achieved using additive pulse mode locking, and dispersion compensation is facilitated by a grating stretcher arrangement. (C) 2008 Optical Society of America.
引用
收藏
页码：690 / 692
页数：3
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