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Related Concept Videos

Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.

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Related Experiment Video

Updated: Jun 22, 2026

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
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Supercontinuum generation in large mode-area microstructured fibers.

G Genty, T Ritari, H Ludvigsen

    Optics Express
    |June 6, 2009
    PubMed
    Summary

    Supercontinuum generation was achieved using large mode-area microstructured fibers and nanosecond pulses. This method enables compact, high-power, single-mode supercontinuum sources with low beam divergence.

    Area of Science:

    • Nonlinear optics
    • Photonics
    • Materials science

    Background:

    • Microstructured fibers offer unique light-guiding properties.
    • Supercontinuum generation is crucial for various spectroscopic and photonic applications.

    Purpose of the Study:

    • To demonstrate supercontinuum generation in large mode-area microstructured fibers.
    • To explore the potential for compact, high-power supercontinuum sources.

    Main Methods:

    • Utilizing nanosecond (ns) pulses from a passively Q-switched Nd:YAG laser.
    • Launching laser pulses into large mode-area microstructured fibers.

    Main Results:

    • Successful supercontinuum generation was achieved.
    • The generated supercontinuum sources are compact, single-mode, and high-power.

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    Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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    Published on: February 25, 2017

  • The output beam exhibits low divergence.

    • Conclusions:

    • Large mode-area microstructured fibers are suitable for creating advanced supercontinuum sources.
    • The developed method offers a pathway to practical, high-performance photonic devices.