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Related Experiment Video

Updated: Jun 22, 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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Micro-fabricated single mode polymer dye laser.

Søren Balslev, Andrej Mironov, Daniel Nilsson

    Optics Express
    |June 9, 2009
    PubMed
    Summary
    This summary is machine-generated.

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    We developed a novel polymer dye laser using standard UV lithography for efficient single mode operation. This micro-fabricated laser emits tunable light at 551.39 nm with a narrow linewidth.

    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Microfabrication

    Background:

    • Distributed feedback (DFB) lasers are crucial for various photonic applications.
    • Achieving single mode operation in polymer lasers often requires complex fabrication.
    • Bragg gratings are commonly used for wavelength selection in DFB lasers.

    Purpose of the Study:

    • To present a single mode, single polarization, distributed feedback polymer dye laser.
    • To demonstrate single mode operation in a multimode structure using mode loss differentiation.
    • To utilize standard I-line UV lithography for defining the Bragg grating.

    Main Methods:

    • Fabrication of a DFB polymer dye laser using micro-fabrication technology.
    • Definition of a short, high-order Bragg grating in a dye-doped polymer layer via I-line UV lithography.

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    Last Updated: Jun 22, 2026

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    Published on: November 22, 2019

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  • Pumping the laser with a pulsed frequency doubled Nd:YAG laser.

    • Main Results:

    • The laser operates in a single mode and single polarization.
    • Single mode operation was achieved in a multimode structure through mode loss differentiation.
    • Emission at 551.39 nm with a Full Width at Half Maximum (FWHM) linewidth below 150 pm was observed.

    Conclusions:

    • A cost-effective and efficient method for fabricating single mode polymer dye lasers was demonstrated.
    • The developed laser is suitable for applications requiring narrow linewidth emission.
    • Standard micro-fabrication techniques can be employed to achieve advanced laser functionalities.