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Related Experiment Video

Updated: Jun 20, 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-power single-mode diode-pumped Nd:YAG laser using a monolithic nonplanar ring resonator.

E A Cheng, T J Kane

    Optics Letters
    |September 24, 2009
    PubMed
    Summary

    This study demonstrates a 0.91-W diode-pumped neodymium-doped yttrium aluminum garnet (Nd:YAG) laser and a 60% slope efficiency nonplanar monolithic ring laser. Injection locking achieved 0.34 W of single-mode power, with active control enabling indefinite operation.

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    Frequency stability and offset locking of a laser-diode-pumped Nd:YAG monolithic nonplanar ring oscillator.

    Optics letters·2009

    Area of Science:

    • Optics and Photonics
    • Laser Physics
    • Materials Science

    Background:

    • Single-frequency lasers are crucial for applications requiring precise wavelength control.
    • Diode-pumped solid-state lasers offer efficiency and compactness.
    • Nonplanar monolithic ring lasers (NMRLs) provide stable, single-frequency output.

    Purpose of the Study:

    • To demonstrate high-power, single-frequency output from diode-pumped Nd:YAG lasers.
    • To achieve high slope efficiency in NMRLs.
    • To explore the capabilities of injection locking for power scaling and stable operation.

    Main Methods:

    • Utilized a diode-pumped Nd:YAG laser configuration.
    • Employed a nonplanar monolithic ring laser design.
    • Implemented injection locking techniques for multiple laser resonators.

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    Last Updated: Jun 20, 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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    Main Results:

    • Achieved a 0.91-W TEM(00) output from a single-frequency diode-pumped Nd:YAG laser.
    • Reported a 60% slope efficiency for a diffraction-limited, single-frequency 1.06-microm NMRL.
    • Obtained 0.34 W of single-mode power by injection locking two 0.17-W NMRLs.
    • Demonstrated actively controlled injection locking for sustained, indefinite periods.

    Conclusions:

    • Diode-pumped Nd:YAG lasers and NMRLs are effective for generating high-quality, single-frequency output.
    • Injection locking is a viable method for power scaling and enhancing the stability of single-frequency lasers.
    • Actively controlled injection locking offers a pathway to continuous, long-term single-mode laser operation.