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Related Experiment Video

Updated: Jul 8, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

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

Published on: November 22, 2019

0.2-TW laser system at 1kHz.

S Backus, C G Durfee Iii, G Mourou

    Optics Letters
    |August 15, 1997
    PubMed
    Summary
    This summary is machine-generated.

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    Researchers developed a new Ti:sapphire laser system generating high peak and average powers. This advanced laser system

    Area of Science:

    • Ultrafast laser technology
    • Nonlinear optics
    • Laser physics

    Background:

    • High peak and average power ultrashort pulse lasers are crucial for scientific research.
    • Thermal lensing in Ti:sapphire crystals limits laser performance.

    Purpose of the Study:

    • To develop a 1-kHz repetition-rate Ti:sapphire laser system with high peak and average power.
    • To overcome thermal lensing limitations in high-power laser systems.

    Main Methods:

    • Developed a Ti:sapphire laser system operating at 1-kHz repetition rate.
    • Cooled the Ti:sapphire crystal to 125K to eliminate thermal lensing.
    • Characterized 20-fs pulses using transient-grating frequency-resolved optical gating.

    Main Results:

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    Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
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    Last Updated: Jul 8, 2026

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
    08:48

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

    Published on: November 22, 2019

    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

    Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
    06:16

    Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing

    Published on: April 25, 2019

    • Achieved simultaneous peak power of 0.2 TW and average power of 4 W.
    • Generated 4-mJ energy pulses with a 20-fs pulse width.
    • Demonstrated that fifth-order dispersion limits the output pulse duration.

    Conclusions:

    • The developed laser system provides high peak and average power simultaneously.
    • Cooling the Ti:sapphire crystal effectively mitigates thermal lensing.
    • Fifth-order dispersion is the primary factor limiting ultrashort pulse duration in this system.