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Chinese Optics Letters, Volume. 15, Issue 9, 091401(2017)

Comparison of high-energy multi-pass Ti:sapphire amplifiers with a different Ti-dopant concentration

Zebiao Gan1,2, Xiaoyan Liang1、*, Lianghong Yu1, Jiaqi Hong2,3, Ming Xu3, Ying Hang3, and Ruxin Li1
Author Affiliations
  • 1State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100049, China
  • 3Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
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    (Color online) Output energy with respect to pump energy; heavily doped Ti:S case (blue line) and lightly doped Ti:S case (red line).

    Fig. 1. (Color online) Output energy with respect to pump energy; heavily doped Ti:S case (blue line) and lightly doped Ti:S case (red line).

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    (Color online) Compression pulse width and B-Integral evolution versus crystal length for (a) Gaussian pulse shape and (c) second-order super-Gaussian pulse shape. Normalized intensity profile of compressed pulse for (b) Gaussian pulse shape and (d) second-order super-Gaussian pulse shape.

    Fig. 2. (Color online) Compression pulse width and B-Integral evolution versus crystal length for (a) Gaussian pulse shape and (c) second-order super-Gaussian pulse shape. Normalized intensity profile of compressed pulse for (b) Gaussian pulse shape and (d) second-order super-Gaussian pulse shape.

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    (a) Multi-pulse pump generation. (b) Schematic of three-pulse pump scheme. (c) Signal-pump time-delay control.

    Fig. 3. (a) Multi-pulse pump generation. (b) Schematic of three-pulse pump scheme. (c) Signal-pump time-delay control.

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    (Color online) (a) Transverse gain and amplified energy with respect to pump energy. (b) Transverse gain under different time delay in traditional one-pulse pump scheme.

    Fig. 4. (Color online) (a) Transverse gain and amplified energy with respect to pump energy. (b) Transverse gain under different time delay in traditional one-pulse pump scheme.

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    Schematic of beam combination of two time-separated pump laser pulses with the same polarization state.

    Fig. 5. Schematic of beam combination of two time-separated pump laser pulses with the same polarization state.

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    Zebiao Gan, Xiaoyan Liang, Lianghong Yu, Jiaqi Hong, Ming Xu, Ying Hang, Ruxin Li. Comparison of high-energy multi-pass Ti:sapphire amplifiers with a different Ti-dopant concentration[J]. Chinese Optics Letters, 2017, 15(9): 091401

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Feb. 23, 2017

    Accepted: May. 25, 2017

    Published Online: Jul. 19, 2018

    The Author Email: Xiaoyan Liang (liangxy@siom.ac.cn)

    DOI:10.3788/COL201715.091401

    Topics

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