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Hundred picoseconds laser pulse amplification based on scalable two-cells Brillouin amplifier

Published online by Cambridge University Press:  28 May 2014

H. Yuan ,
Z.W. Lu ,
Y.L. Wang ,
Z.X. Zheng  and
Y. Chen
H. Yuan
Affiliation:
National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, China
Z.W. Lu*
Affiliation:
National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, China
Y.L. Wang*
Affiliation:
National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, China
Z.X. Zheng
Affiliation:
National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, China
Y. Chen
Affiliation:
National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, China
*
Address correspondence and reprint requests to: Zhiwei Lu or Yulei Wang, National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, P. O. Box 3031, Harbin 150080, China. E-mail: [email protected] or [email protected]
Address correspondence and reprint requests to: Zhiwei Lu or Yulei Wang, National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, P. O. Box 3031, Harbin 150080, China. E-mail: [email protected] or [email protected]
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Abstract

Hundred picoseconds laser pulse with high energy and high peak power has broad application prospects such as inertial confinement fusion shock ignition. But it is hard to get effective amplification through MOPA or chirped pulse amplification method. Through simulated Brillouin scattering method, 100 picoseconds laser pulse can be amplified efficiently. To be able to meet the need of high energy and high-intensity laser pulse amplification, scalable two cell structure and four different FC series liquid were used to fulfill this experiment. The results indicate that the magnification of Stokes energy and efficiency of energy extraction are closely related to medium parameters and energy parameters. The minimum width of 340 ps Stokes pulse was amplified by 13.5 times in this experiment.

Keywords

AmplificationHundred picosecondsScalable two cellsStimulated Brillouin scattering
Type
Research Article
Information
Laser and Particle Beams , Volume 32 , Issue 3 , September 2014 , pp. 369 - 374
Copyright
Copyright © Cambridge University Press 2014 

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