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Related Experiment Video

Updated: Jun 23, 2026

Implementation of a Coherent Anti-Stokes Raman Scattering (CARS) System on a Ti:Sapphire and OPO Laser Based Standard Laser Scanning Microscope
12:54

Implementation of a Coherent Anti-Stokes Raman Scattering (CARS) System on a Ti:Sapphire and OPO Laser Based Standard Laser Scanning Microscope

Published on: July 17, 2016

All-solid-state 5-kHz 0.2-TW Ti:sapphire laser system.

Y Nabekawa, T Togashi, T Sekikawa

    Optics Express
    |April 30, 2009
    PubMed
    Summary

    Researchers created a high-power, all-solid-state titanium-sapphire laser system. This ultrashort laser source achieves record average power, overcoming thermal lensing challenges for advanced applications.

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    Area of Science:

    • Laser Physics
    • Optics and Photonics
    • Materials Science

    Background:

    • High-power ultrashort laser systems are crucial for scientific research and industrial applications.
    • Thermal lensing in titanium-sapphire (Ti:sapphire) crystals limits average power in high-repetition-rate systems.
    • Developing all-solid-state ultrashort laser sources with high average power remains a significant challenge.

    Purpose of the Study:

    • To develop an all-solid-state Ti:sapphire laser system capable of producing high-energy, ultrashort pulses.
    • To achieve record-breaking average power for ultrashort laser sources.
    • To mitigate thermal lensing effects in high-power Ti:sapphire laser operation.

    Main Methods:

    • Utilized a Ti:sapphire crystal as the gain medium.

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    Last Updated: Jun 23, 2026

    Implementation of a Coherent Anti-Stokes Raman Scattering (CARS) System on a Ti:Sapphire and OPO Laser Based Standard Laser Scanning Microscope
    12:54

    Implementation of a Coherent Anti-Stokes Raman Scattering (CARS) System on a Ti:Sapphire and OPO Laser Based Standard Laser Scanning Microscope

    Published on: July 17, 2016

    Gradient Echo Quantum Memory in Warm Atomic Vapor
    10:00

    Gradient Echo Quantum Memory in Warm Atomic Vapor

    Published on: November 11, 2013

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

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  • Implemented a stable quasi-cavity design with two concave mirrors.
  • Operated the laser system at a repetition rate of 5 kHz.

    • Main Results:

    • Developed an all-solid-state 5-kHz Ti:sapphire laser system.
    • Generated pulses with a duration of 22 femtoseconds and a peak power of 0.2 terawatts.
    • Achieved a record average power of 22.2 watts, the highest reported for ultrashort laser sources.
    • Successfully controlled thermal lensing using the quasi-cavity design.

    Conclusions:

    • The developed Ti:sapphire laser system demonstrates a new benchmark in average power for ultrashort laser sources.
    • The stable quasi-cavity design effectively manages thermal lensing, enabling high-power operation.
    • This advancement paves the way for new applications in fields requiring high-intensity, ultrashort laser pulses.