High pulse energy sub-nanosecond Tm-doped fiber laser

被引：2
|
作者：
Cserteg, Andras [1 ]
Guillemet, Sebastien [1 ]
Hernandez, Yves [1 ]
Giannone, Domenico [1 ]
机构：
[1] MULTITEL Asbl, Appl Photon Dept, B-7000 Mons, Belgium
来源：
FIBER LASERS IX: TECHNOLOGY, SYSTEMS, AND APPLICATIONS | 2012年 / 8237卷
关键词：
Thulium; fiber laser; amplification; picosecond; GAAS;
D O I：
10.1117/12.908115
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a core pumped thulium-doped fiber amplifier that generates 1.4 mu J pulses at 1980 nm with a repetition rate of 3.6 MHz preserving the original spectral bandwidth of the oscillator. The amplifier chain is seeded by a passively mode-locked fiber laser with 5 mW output power and the pulses are stretched to 800 picoseconds. The amplifier is core pumped by a single mode erbium fiber laser. The slope efficiency is 35%. To the best of our knowledge, this is the first demonstration of sub nanosecond pulses with energies higher than 1 mu J coming out of a thulium-doped fiber amplifier.
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页数：7
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