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Chinese Optics Letters, Volume. 19, Issue 1, 011401(2021)

Demonstration of joule-level chirped pulse amplification based on tiled Ti:sapphire amplifier

Keyang Liu1,2,3, Yanqi Liu1、*, Yunhai Tang1, Junchi Chen1, Cheng Wang1, Xingyan Liu1,2,3, Xiaobin Wang1, Yingbin Long1, Yi Xu1, Yujie Peng1, Xiaoming Lu1, Zhengzheng Liu1, and Yuxin Leng1,2,4、**
Author Affiliations
  • 1State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China
  • 3University of Chinese Academy of Sciences, Beijing 100049, China
  • 4CAS Center for Excellence in Ultra-intense Laser Science, Shanghai 201800, China
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    Overall experimental setup.

    Fig. 1. Overall experimental setup.

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    Tiled Ti:S four-pass amplifier scheme. The red line is the signal beam, while the green line is the pump beam. The insets show (a) the signal beam shaping and (b) the mounting structure of the Ti:S crystals.

    Fig. 2. Tiled Ti:S four-pass amplifier scheme. The red line is the signal beam, while the green line is the pump beam. The insets show (a) the signal beam shaping and (b) the mounting structure of the Ti:S crystals.

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    Experimental and simulated results of the output energy of the tiled Ti:S amplifier at the same input energy.

    Fig. 3. Experimental and simulated results of the output energy of the tiled Ti:S amplifier at the same input energy.

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    Laser spectral evolution of the input and output of the tiled Ti:S amplifier.

    Fig. 4. Laser spectral evolution of the input and output of the tiled Ti:S amplifier.

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    Measured duration and spectral phase of compressed pulses.

    Fig. 5. Measured duration and spectral phase of compressed pulses.

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    Spatial profile of the output beam of the tiled Ti:S amplifier. (a) The near-field spatial profile. (b) The far-field spatial profile after the compressor: the experimental (upper) and the simulated (lower) results. (c) The measurement scheme.

    Fig. 6. Spatial profile of the output beam of the tiled Ti:S amplifier. (a) The near-field spatial profile. (b) The far-field spatial profile after the compressor: the experimental (upper) and the simulated (lower) results. (c) The measurement scheme.

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    Keyang Liu, Yanqi Liu, Yunhai Tang, Junchi Chen, Cheng Wang, Xingyan Liu, Xiaobin Wang, Yingbin Long, Yi Xu, Yujie Peng, Xiaoming Lu, Zhengzheng Liu, Yuxin Leng. Demonstration of joule-level chirped pulse amplification based on tiled Ti:sapphire amplifier[J]. Chinese Optics Letters, 2021, 19(1): 011401

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    Paper Information

    Category: Lasers, Optical Amplifiers, and Laser Optics

    Received: Jul. 7, 2020

    Accepted: Aug. 28, 2020

    Published Online: Dec. 7, 2020

    The Author Email: Yanqi Liu (liuyanqi@siom.ac.cn), Yuxin Leng (lengyuxin@mail.siom.ac.cn)

    DOI:10.3788/COL202119.011401

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology