Fiber chirped pulse amplifier at 2.08 μm emitting 383-fs pulses at 10 nJ and 7 MHz

被引：20
|
作者：
Hoogland, H. [1 ,2 ]
Wittek, S. [1 ]
Haensel, W. [1 ]
Stark, S. [1 ]
Holzwarth, R. [1 ,3 ]
机构：
[1] Menlo Syst GmbH, D-82152 Martinsried, Germany
[2] Univ Erlangen Nurnberg, Dept Phys, D-91058 Erlangen, Germany
[3] Max Planck Inst Quantum Opt, D-85748 Garching, Germany
来源：
OPTICS LETTERS | 2014年 / 39卷 / 23期
关键词：
AVERAGE POWER; LASER; DISPERSION; ULTRAFAST; ENERGY;
D O I：
10.1364/OL.39.006735
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An all-polarization maintaining (PM) fiber chirped pulse amplifier system at 2.08 mu m based on thulium: holmium codoped gain fibers is reported. An inhouse built oscillator emits pulses at a repetition rate of 7 MHz with a spectral full width at half-maximum (FWHM) bandwidth of 23.5 nm at 2.8 mW average output power. The pulses are temporally stretched and subsequently amplified in a double-stage amplifier setup. The stretched pulses are compressed to 383 fs by use of a Martinez-style setup at an output pulse energy of 10.2 nJ. By neglecting temporal stretching, high peak powers in a single amplifier stage led to Raman soliton formation at 2.3 mu m. (C) 2014 Optical Society of America
引用
收藏
页码：6735 / 6738
页数：4
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