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Related Experiment Video

Updated: Jun 24, 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

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Room temperature efficient actively Q-switched Ho:YAP laser.

Xiao-Ming Duan1, Bao-Quan Yao, Xiao-Tao Yang

  • 1National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China. dxm973@126.com

Optics Express
|March 19, 2009
PubMed
Summary

We achieved efficient actively Q-switched Holmium-doped Yttrium Aluminum Perovskite (Ho:YAP) laser performance. This laser system, pumped by a 1.91-microm laser, demonstrated high output power and conversion efficiency at room temperature.

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Area of Science:

  • Laser physics
  • Solid-state lasers
  • Optoelectronics

Background:

  • Ho:YAP lasers are valuable for various applications due to their emission properties.
  • Efficient pumping methods are crucial for optimizing laser performance.
  • Q-switching techniques enable high peak power generation.

Purpose of the Study:

  • To investigate the performance of an actively Q-switched Ho:YAP laser.
  • To explore the efficiency of a 1.91-microm laser diode pumping scheme.
  • To characterize the output parameters including power, pulse energy, and pulse width.

Main Methods:

  • Utilized a Ho:YAP crystal as the gain medium.
  • Employed an actively Q-switched configuration.
  • Implemented a 1.91-microm laser diode for double-pass pumping.

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Last Updated: Jun 24, 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

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  • Operated the laser at room temperature with a 10 kHz repetition rate.

    • Main Results:

    • Achieved a maximum average output power of 10.9 W at 2118 nm.
    • Obtained a high conversion efficiency of 52.2% and a slope efficiency of 63.5%.
    • Recorded a maximum pulse energy of approximately 1.1 mJ and a minimum pulse width of 31 ns, resulting in a peak power of 35.5 kW.

    Conclusions:

    • Demonstrated efficient operation of an actively Q-switched Ho:YAP laser.
    • The 1.91-microm laser diode pumping scheme proved effective for high-power generation.
    • The results highlight the potential of this laser system for applications requiring high energy and peak power pulses.