8.3 mJ, 166 W Burst Mode Pulse Fiber Amplifier Based on a Q-Switched Mode-Locked Fiber Seed Laser
8.3 mJ, 166 W Burst Mode Pulse Fiber Amplifier Based on a Q-Switched Mode-Locked Fiber Seed Laser
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基于调Q锁模光纤种子激光器的 8.3 mJ、166 W 突发模式脉冲光纤放大器
DOI:
10.1109/jstqe.2017.2703657
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发表时间:
2018-05
影响因子:
4.9
通讯作者:
Lin Xuechun
中科院分区:
文献类型:
--
作者:
Yu Haijuan;Qi Yaoyao;Zhang Jingyuan;Zou Shuzhen;Zhang Ling;He Chaojian;Chen Han;Li Bei;Lin Xuechun
We report a 166 W burst mode pulse fiber amplifier seeded by a Q-switched mode-locked all-fiber laser at 1064 nm based on a fiber-coupled semiconductor saturable absorber mirror. With a pump power of 230 W at 976 nm, the output corresponds to a power conversion efficiency of 74%. The repetition rate of the burst pulse is 20 kHz, the burst energy is 8.3 mJ, and the burst duration is ∼ 20 μs, which including about 800 mode-locked pulses at a repetition rate of 40 MHz and the width of the individual mode-locked pulse is measured to be 112 ps at the maximum output power. To avoid optical damage to the fiber, the initial mode-locked pulses were stretched to 72 ps by a bandwidth-limited fiber bragg grating. After a two-stage preamplifier, the pulse width was further stretched to 112 ps, which is a result of self-phase modulation of the pulse burst during the amplification.
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DOI:
10.1364/josab.21.001469
发表时间:
2004-08
影响因子:
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作者:
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10.1007/s00339-009-5405-x
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2010-02-01
影响因子:
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