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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.
Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

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Related Experiment Video

Updated: Jun 20, 2026

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects
10:16

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects

Published on: February 8, 2014

Two-dimensional imaging through diffusing media using 150-fs gated electronic holography techniques.

H Chen, Y Chen, D Dilworth

    Optics Letters
    |September 24, 2009
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a new imaging technique using holographic gating and electronic holography to see through diffusing materials. It achieves high-resolution 2D images with exceptional temporal precision, enabling visualization of embedded objects.

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    Last Updated: Jun 20, 2026

    Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects
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    Published on: February 8, 2014

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    Area of Science:

    • Optics and Photonics
    • Biomedical Imaging
    • Materials Science

    Background:

    • Imaging through scattering media remains a significant challenge in various scientific fields.
    • Traditional imaging techniques struggle to resolve details within optically dense or diffusing materials.
    • Developing methods for non-invasive visualization of embedded structures is crucial for scientific advancement.

    Purpose of the Study:

    • To develop and demonstrate a novel imaging technique for high-resolution visualization of objects embedded in diffusing materials.
    • To achieve rapid, non-scanning image acquisition with precise temporal resolution.
    • To overcome the limitations of conventional imaging in scattering environments.

    Main Methods:

    • Integration of 150-femtosecond (fs) holographic gating with advanced electronic holography.
    • Application of the combined technique to capture transmission images of embedded objects.
    • Elimination of the need for mechanical scanning procedures during image acquisition.

    Main Results:

    • Successful production of complete two-dimensional transmission images.
    • Achieved an impressive temporal resolution of 150 femtoseconds.
    • Obtained submillimeter spatial resolution for objects within diffusing materials several centimeters thick.

    Conclusions:

    • The developed holographic gating and electronic holography technique offers a powerful solution for imaging through scattering media.
    • This method provides high-resolution, real-time imaging capabilities without scanning.
    • The technique holds significant potential for applications in fields requiring deep tissue or material penetration imaging.