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Related Experiment Video

Updated: Jun 3, 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

High-efficiency kilowatt-level continuous-wave Yb:Y2O3 ceramic thin-disk laser.

Dongliang Xing, Naijie Zhang, Jie Ma

    Optics Letters
    |June 1, 2026
    PubMed
    Summary

    Researchers developed a high-power Ytterbium-doped Yttrium Oxide (Yb:Y2O3) ceramic thin-disk laser. This laser achieved over 1 kilowatt of continuous-wave output power, demonstrating a new benchmark for efficiency in ceramic laser technology.

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    Area of Science:

    • Laser Physics and Engineering
    • Materials Science
    • Optoelectronics

    Background:

    • High-power lasers are crucial for various scientific and industrial applications.
    • Thin-disk laser architecture offers advantages in thermal management and scalability.
    • Ytterbium-doped sesquioxide ceramics are promising gain media for high-power lasers due to their favorable thermal and optical properties.

    Purpose of the Study:

    • To demonstrate a kilowatt-class Ytterbium-doped Yttrium Oxide (Yb:Y2O3) ceramic thin-disk laser.
    • To investigate the performance of Yb:Y2O3 ceramic as a gain medium in a thin-disk configuration.
    • To achieve high optical-to-optical efficiency in a high-power ceramic thin-disk laser system.

    Main Methods:

    • Utilized a Yb:Y2O3 ceramic as the gain medium in a thin-disk laser setup.

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    Last Updated: Jun 3, 2026

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

    Published on: July 12, 2017

    Continuous-wave Thulium Laser for Heating Cultured Cells to Investigate Cellular Thermal Effects
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  • Employed a diamond heat sink for efficient thermal management.
  • Pumping the laser medium with a 976 nm diode laser in continuous-wave (CW) operation.

    • Main Results:

    • Achieved a continuous-wave output power of 1089 W at a wavelength of 1031.7 nm.
    • Obtained an optical-to-optical efficiency of 73%.
    • This represents the first kilowatt-class output from a Yb:Y2O3 ceramic gain medium and the highest reported efficiency for sesquioxide ceramic thin-disk lasers.

    Conclusions:

    • Yb:Y2O3 ceramic thin-disk lasers can achieve kilowatt-class output power.
    • The high optical-to-optical efficiency demonstrates the potential of Yb:Y2O3 ceramics for high-power and high-efficiency laser systems.
    • Diamond heat sinks are effective in enabling high-power operation of ceramic thin-disk lasers.