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Related Concept Videos

Three-Dimensional Microscopy in Microbiology01:28

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...
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Related Experiment Video

Updated: Jun 8, 2026

High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
08:18

High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon

Published on: June 16, 2020

Three-dimensional image sensing by chromatic confocal microscopy.

H J Tiziani, H M Uhde

    Applied Optics
    |October 2, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Confocal microscopy uses axial chromatic aberration to create color-coded height maps of objects. Different wavelengths focus at different depths, enabling precise 3D imaging with color representing height.

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    Last Updated: Jun 8, 2026

    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
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    In vivo Clonal Tracking of Hematopoietic Stem and Progenitor Cells Marked by Five Fluorescent Proteins using Confocal and Multiphoton Microscopy

    Published on: August 6, 2014

    Area of Science:

    • Optical microscopy
    • Confocal microscopy
    • Chromatism

    Background:

    • Confocal microscopes image objects in focus.
    • Axial chromatic aberration shifts the focal plane based on light wavelength.
    • This property can be exploited for depth-dependent imaging.

    Purpose of the Study:

    • To develop a novel 3D imaging technique using confocal microscopy.
    • To utilize axial chromatic aberration for height mapping.
    • To create a color-based representation of object topography.

    Main Methods:

    • Deliberately introduced axial chromatic aberration in a microscope objective.
    • Illumination with a white-light source.
    • Sequential imaging with three chromatic filters using a black-and-white camera.
    • Calibration curve to correlate color tone with object height.

    Main Results:

    • All object parts appeared sharp and bright, with color indicating height.
    • Color variations directly corresponded to the object's topography.
    • Height assignment was made unequivocal through filter selection and calibration.

    Conclusions:

    • This method enables 3D height mapping of objects using a modified confocal microscope.
    • Color serves as a direct indicator of object height.
    • The technique offers a novel approach to optical profilometry.