100W high beam quality rod-type photonic crystal fiber amplifier for picosecond pulses

Li Tianqi; Mao Xiaojie; Lei Jian; Bi Guojiang; Jiang Dongsheng

doi:10.11884/HPLPB201830.170515

Volume 30 Issue 9

Sep. 2018

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Li Tianqi, Mao Xiaojie, Lei Jian, et al. 100W high beam quality rod-type photonic crystal fiber amplifier for picosecond pulses[J]. High Power Laser and Particle Beams, 2018, 30: 091001. doi: 10.11884/HPLPB201830.170515

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Li Tianqi, Mao Xiaojie, Lei Jian, et al. 100W high beam quality rod-type photonic crystal fiber amplifier for picosecond pulses[J]. High Power Laser and Particle Beams, 2018, 30: 091001. doi: 10.11884/HPLPB201830.170515

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100W high beam quality rod-type photonic crystal fiber amplifier for picosecond pulses

doi: 10.11884/HPLPB201830.170515

Li Tianqi^{1, 2
,},
Mao Xiaojie^{1, 2},
Lei Jian^{1, 2},
Bi Guojiang^{1, 2},
Jiang Dongsheng²

1.
Science and Technology on Solid-State Laser Laboratory, Beijing 100015, China
2.
North China Research Institute of Electro-Optics, Beijing 100015, China

Received Date: 2017-12-20
Rev Recd Date: 2018-04-14
Publish Date: 2018-09-15

Abstract

Abstract

We used the rod-type photonic crystal fiber as a gain medium and designed an experimental system for picosecond pulse amplifier. Output power, slope efficiency and optical-to-optical conversion efficiency, beam quality, repetition rate, pulse width, spectrum of the rod-type photonic crystal fiber picosecond amplifier were analyzed. As a result, we got a maximum average power of 101.7 W, repetition rate of 30 MHz, pulse width of 6.4 ps, beam quality of M_x²=1.111, M_y²=1.017 near diffraction limit laser with slope efficiency of 65% and optical-to-optical conversion efficiency of 58.9%.
- rod-type photonic crystal fiber,
- fiber amplifier,
- picosecond amplifier,
- high average power,
- high beam quality

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References(11)

References

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