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Related Experiment Video

Updated: Jun 19, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Ultraviolet generation with passively Q-switchedmicrochip lasers.

J J Zayhowski

    Optics Letters
    |October 31, 2009
    PubMed
    Summary
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    A compact fiber-pumped laser generates multiple harmonics (infrared to ultraviolet) with high pulse energies and repetition rates. This all-solid-state source offers a versatile, economical solution for various laser applications.

    Area of Science:

    • Optics and Photonics
    • Laser Physics
    • Materials Science

    Background:

    • Development of compact, high-performance laser sources is crucial for advanced applications.
    • Fiber-pumped lasers offer advantages in terms of beam quality and thermal management.
    • Nonlinear frequency conversion is essential for generating diverse wavelengths from a single laser source.

    Purpose of the Study:

    • To demonstrate a compact, all-solid-state laser source capable of generating multiple harmonic frequencies.
    • To achieve high pulse energies and subnanosecond pulse durations.
    • To explore the potential of fiber-pumped passively Q-switched lasers for versatile wavelength generation.

    Main Methods:

    • Utilized a fiber-pumped passively Q-switched Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) microchip laser.

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    Generation and Coherent Control of Pulsed Quantum Frequency Combs
    06:42

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    Published on: June 8, 2018

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    Last Updated: Jun 19, 2026

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
    10:52

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

    Published on: February 4, 2017

    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

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    Generation and Coherent Control of Pulsed Quantum Frequency Combs

    Published on: June 8, 2018

  • Employed nonlinear optical processes to generate second, third, fourth, and fifth harmonics of the fundamental output.
  • Integrated the laser and harmonic generation optics into a compact optical head (< 3 cm³).

    • Main Results:

    • Successfully obtained first, second, third, fourth, and fifth harmonics with pulse energies of 8.0, 3.5, 0.3, 0.7, and 0.01 microJ, respectively.
    • Achieved subnanosecond pulse durations and multikilowatt peak powers.
    • Operated the laser at repetition rates exceeding 10 kHz.
    • Demonstrated a compact and economical all-solid-state laser system.

    Conclusions:

    • A highly compact and efficient fiber-pumped laser system capable of generating multiple harmonics across the infrared, visible, and ultraviolet spectrum has been developed.
    • The demonstrated laser source provides a versatile and economical solution for applications requiring coherent, high-energy, short-pulse laser light.
    • The results highlight the potential of integrated microchip laser technology for advanced photonic applications.