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Related Experiment Video

Updated: Apr 15, 2026

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
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Speckle-based volume holographic microscopy for optically sectioned multi-plane fluorescent imaging.

Hsi-Hsun Chen, Vijay Raj Singh, Yuan Luo

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    Summary

    This study introduces a novel speckle-based volume holographic microscopy system. This advanced imaging technique achieves multi-depth resolution and optical sectioning without axial scanning, improving volumetric imaging.

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    Area of Science:

    • Biomedical optics
    • Microscopy techniques
    • Optical imaging

    Background:

    • Structured illumination microscopy (SIM) enables wide-field optical sectioning but requires axial scanning for volumetric data.
    • Acquiring multi-depth information in volumetric samples with SIM is time-consuming due to the need for axial scanning.

    Purpose of the Study:

    • To present a new imaging scheme: speckle-based volume holographic microscopy.
    • To demonstrate a system capable of multi-plane imaging with optical sectioning and volumetric data acquisition without axial scanning.

    Main Methods:

    • Incorporation of volumetric speckle illumination.
    • Utilization of multiplexed volume holographic gratings for multi-plane image acquisition.
    • Development of a system design and implementation for holographic microscopy.

    Main Results:

    • Simultaneous acquisition of wide-field, optically sectioned images.
    • Demonstration of multi-depth resolved imaging capabilities.
    • Successful imaging of fluorescently labeled microspheres and tissue structures.

    Conclusions:

    • The speckle-based volume holographic microscopy system offers efficient volumetric imaging.
    • This novel approach eliminates the need for axial scanning in multi-depth fluorescence microscopy.
    • The system provides a powerful tool for high-resolution, multi-plane imaging of biological samples.