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Related Experiment Video

Updated: Jun 12, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

210 W, 8.4 mJ Yb:YAG picosecond bulk amplifier.

Guanguang Gao, Jiajun Song, Yujie Peng

    Optics Express
    |June 11, 2026
    PubMed
    Summary

    We developed a high-power Ytterbium-doped Yttrium Aluminum Garnet (Yb:YAG) picosecond laser system. This advanced laser achieves high average power and pulse energy for demanding applications.

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    Area of Science:

    • Laser Physics
    • Materials Science

    Background:

    • Picosecond lasers are crucial for various scientific and industrial applications.
    • Achieving high power and energy simultaneously in Yb:YAG systems presents significant challenges.

    Purpose of the Study:

    • To develop a high-power, high-energy Yb:YAG picosecond laser system.
    • To ensure stable operation and high beam quality in the laser system.

    Main Methods:

    • Utilized a cascaded chirped fiber Bragg grating stretcher and fiber pre-amplifier.
    • Employed a three-stage thin-rod traveling-wave amplifier with advanced cooling and optical techniques.
    • Implemented transmission gratings for pulse compression.

    Main Results:

    • Achieved 210.9 W average power at 25 kHz repetition rate.

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    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

    Published on: November 22, 2019

    Using a 1064-nm Picosecond Neodymium-Doped Yttrium Aluminum Garnet Laser for Periorbital Hyperpigmentation
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    Using a 1064-nm Picosecond Neodymium-Doped Yttrium Aluminum Garnet Laser for Periorbital Hyperpigmentation

    Published on: May 23, 2025

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    Last Updated: Jun 12, 2026

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
    10:17

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

    Published on: July 12, 2017

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
    08:48

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

    Published on: November 22, 2019

    Using a 1064-nm Picosecond Neodymium-Doped Yttrium Aluminum Garnet Laser for Periorbital Hyperpigmentation
    04:43

    Using a 1064-nm Picosecond Neodymium-Doped Yttrium Aluminum Garnet Laser for Periorbital Hyperpigmentation

    Published on: May 23, 2025

  • Obtained 8.4 mJ pulse energy with 1.64 ps pulse duration.
  • Demonstrated excellent power stability (0.12% RMS) and beam quality (M² < 1.35).

    • Conclusions:

    • The developed Yb:YAG picosecond laser system successfully delivers high average power and pulse energy.
    • The system's stable operation and excellent beam quality make it suitable for advanced applications.