Theoretical and experimental analysis of double-pass ytterbium-doped fiber amplifier

被引：2
|
作者：
Zhang, Pengfei [1 ]
Su, Rongtao [1 ]
Huang, Long [1 ]
Du, Daiyan [1 ]
Yang, Lijia [1 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
HIGH-POWER LASERS AND APPLICATIONS VIII | 2016年 / 10016卷
关键词：
Fiber laser; fiber amplifier; double-pass; amplified spontaneous emission; SINGLE-FREQUENCY; NARROW-LINEWIDTH; POWER; MODE;
D O I：
10.1117/12.2246373
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We theoretically and experimentally demonstrate a double-pass ytterbium-doped fiber amplifier. First, we numerically analyze the impact of fiber length on the amplifier. In our experiment, a laser seed with output power of similar to 100 mu W and wavelength of 1064 nm is amplified to 51.2 mW with a signal gain of 27.1 dB. With this double-pass configuration, amplified spontaneous emission (ASE) is effectively suppressed to more than 30 dB. Compared with single pass configuration, it is found that double-pass amplification configuration enhances the gain coefficient and improves the signal-to-noise ratio.
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收藏
页数：6
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