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Related Experiment Video

Updated: Jun 15, 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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Picosecond transverse-flow flashlamp-pumped dye laser.

S D Woodruff, S G Prybyla, W S Struve

    Applied Optics
    |March 11, 2010
    PubMed
    Summary

    Researchers achieved tunable picosecond light pulses using a rhodamine 590 laser. This flashlamp-pumped system, mode-locked with DODCI, demonstrates potential for higher energy and repetition rates in laser technology.

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    Area of Science:

    • Optics and Photonics
    • Laser Physics

    Background:

    • Mode-locked lasers are crucial for generating ultrashort optical pulses.
    • Flashlamp-pumped lasers offer a robust platform for various applications.

    Purpose of the Study:

    • To develop a tunable, bandwidth-limited picosecond laser source.
    • To investigate mode-locking performance with Rhodamine 590 and DODCI.

    Main Methods:

    • Utilized a transverse-flow flashlamp-pumped Rhodamine 590 laser.
    • Employed 3,3'-diethyl-oxadicarbocyanine iodide (DODCI) for passive mode-locking.
    • Characterized pulse duration, energy, and repetition rate.

    Main Results:

    • Achieved tunable picosecond pulses with ~3-psec Full Width at Half Maximum (FWHM) duration.
    • Obtained pulse energies ranging from 2-7 microJoules per pulse.
    • Demonstrated good mode-locking quality at repetition rates up to ~5 Hz.

    Conclusions:

    • The developed picosecond laser system provides tunable, high-quality ultrashort pulses.
    • The design shows promise for scalability to higher repetition rates, pulse energies, and average powers.
    • This work contributes to advancements in pulsed laser technology for scientific and industrial applications.

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