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Related Experiment Video

Updated: May 6, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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Efficient dual-wavelength Nd:LuLiF4 laser.

Hongqiang Li, Rui Zhang, Yulong Tang

    Optics Letters
    |November 2, 2013
    PubMed
    Summary
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    This study introduces the first efficient continuous-wave (CW) and passively Q-switched dual-wavelength laser using Nd:LuLiF4 at 1314 and 1321 nm, achieving high output power and stable operation.

    Area of Science:

    • Lasers and Optics
    • Materials Science

    Background:

    • Neodymium-doped lasers are crucial for various applications.
    • Neodymium-doped Lithium LuLiF4 (Nd:LuLiF4) crystals offer unique optical properties.
    • Dual-wavelength laser operation can enhance spectroscopic and sensing capabilities.

    Purpose of the Study:

    • To demonstrate the first efficient continuous-wave (CW) and passively Q-switched dual-wavelength laser operation.
    • To investigate the performance of Nd:LuLiF4 as a gain medium for dual-wavelength lasers.
    • To achieve high output power and energy in the dual-wavelength regime.

    Main Methods:

    • Utilized a Nd:LuLiF4 crystal as the gain medium.
    • Employed a V3+:YAG saturable absorber for passive Q-switching.
    • Operated the laser in both continuous-wave (CW) and passively Q-switched modes.

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    Last Updated: May 6, 2026

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  • Investigated dual-wavelength operation at 1314 nm and 1321 nm.

    • Main Results:

    • Achieved maximum CW output power of 6.08 W with 30.2% optical-to-optical conversion efficiency and 32.1% slope efficiency.
    • Demonstrated stable dual-wavelength operation even with high-doping V3+:YAG.
    • Obtained maximum pulse energy of 108.7 μJ at 17.2 kHz pulse repetition rate.
    • Reached a maximum peak power of 885 W in the passively Q-switched mode.

    Conclusions:

    • Nd:LuLiF4 is a promising material for efficient dual-wavelength laser development.
    • Passive Q-switching using V3+:YAG is effective for dual-wavelength operation.
    • The developed laser system shows potential for applications requiring dual-wavelength outputs.