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Related Experiment Video

Updated: Jun 19, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

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Continuous-wave mode-locked visible upconversion laser.

P Xie, S C Rand

    Optics Letters
    |October 2, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Researchers achieved continuous-wave mode locking and Q switching in an Erbium-doped Lithium Yttrium Fluoride (Er:LiYF4) laser. This laser operates in the green spectral region, demonstrating advanced laser functionalities.

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    Area of Science:

    • Laser physics
    • Solid-state lasers
    • Quantum optics

    Background:

    • Upconversion lasers offer unique spectral properties.
    • Erbium-doped materials are suitable for laser applications.
    • Controlling laser output modes is crucial for various applications.

    Purpose of the Study:

    • To demonstrate continuous-wave mode locking and Q switching.
    • To investigate the performance of an Er:LiYF4 laser.
    • To achieve green spectral region operation.

    Main Methods:

    • Utilized an Erbium-doped Lithium Yttrium Fluoride (Er:LiYF4) laser medium.
    • Implemented continuous-wave mode locking techniques.
    • Applied Q switching methods for pulsed operation.

    Main Results:

    • Successfully achieved continuous-wave mode locking.
    • Demonstrated effective Q switching of the laser.
    • Observed laser operation in the green spectral region.

    Conclusions:

    • Continuous-wave mode locking and Q switching are feasible in Er:LiYF4 lasers.
    • The Er:LiYF4 laser is a viable source for green light generation.
    • This work advances the control of upconversion laser systems.