Demonstration of 2.5 J, 10 Hz, nanosecond laser beam combination system based on non-collinear Brillouin amplification

Can Cui, Yulei Wang, Zhiwei Lu, Hang Yuan, Yue Wang, Yi Chen, Qingzheng Wang, Zhenxu Bai, Richard P. Mildren

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We demonstrated a four-beam combined laser system based on Brillouin amplification with a nanosecond output of 2.5 J at a 10 Hz repetition rate. We used simulations and experiments to assess factors affecting the energy extraction efficiency of non-collinear Brillouin amplification. Our results indicate that higher efficiency can be achieved by adding pump beams to the Brillouin amplification process, which enhances optical field intensity and interaction strength. To the best of our knowledge, this is the first demonstration of a multi-beam combination system based on Brillouin amplification with an output of joule level energy, high peak power and nanosecond pulses in 10Hz repetitive operation.

LanguageEnglish
Pages32717-32727
Number of pages11
JournalOptics Express
Volume26
Issue number25
DOIs
Publication statusPublished - 10 Dec 2018

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laser beams
output
repetition
energy levels
pumps
pulses
lasers
simulation
interactions
energy

Bibliographical note

Copyright 2018 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.

Cite this

Cui, Can ; Wang, Yulei ; Lu, Zhiwei ; Yuan, Hang ; Wang, Yue ; Chen, Yi ; Wang, Qingzheng ; Bai, Zhenxu ; Mildren, Richard P. / Demonstration of 2.5 J, 10 Hz, nanosecond laser beam combination system based on non-collinear Brillouin amplification. In: Optics Express. 2018 ; Vol. 26, No. 25. pp. 32717-32727.
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abstract = "We demonstrated a four-beam combined laser system based on Brillouin amplification with a nanosecond output of 2.5 J at a 10 Hz repetition rate. We used simulations and experiments to assess factors affecting the energy extraction efficiency of non-collinear Brillouin amplification. Our results indicate that higher efficiency can be achieved by adding pump beams to the Brillouin amplification process, which enhances optical field intensity and interaction strength. To the best of our knowledge, this is the first demonstration of a multi-beam combination system based on Brillouin amplification with an output of joule level energy, high peak power and nanosecond pulses in 10Hz repetitive operation.",
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Demonstration of 2.5 J, 10 Hz, nanosecond laser beam combination system based on non-collinear Brillouin amplification. / Cui, Can; Wang, Yulei; Lu, Zhiwei; Yuan, Hang; Wang, Yue; Chen, Yi; Wang, Qingzheng; Bai, Zhenxu; Mildren, Richard P.

In: Optics Express, Vol. 26, No. 25, 10.12.2018, p. 32717-32727.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Wang, Yue

AU - Chen, Yi

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AU - Bai, Zhenxu

AU - Mildren, Richard P.

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