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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 6, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

Superresolution readout system with electrical equalization for optical disks.

T Tanabe

    Applied Optics
    |November 10, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A novel electrical equalizer using a transversal filter enhances superresolution readout systems. This method suppresses sidelobes, achieving higher resolution than diffraction-limited systems with a compact design.

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    Related Experiment Videos

    Last Updated: Jun 6, 2026

    X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
    08:30

    X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

    Published on: September 11, 2011

    Whole-cell Super-Resolution Imaging via DNA-PAINT on a Spinning Disk Confocal with Optical Photon Reassignment
    07:12

    Whole-cell Super-Resolution Imaging via DNA-PAINT on a Spinning Disk Confocal with Optical Photon Reassignment

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    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
    06:25

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

    Published on: February 12, 2014

    Area of Science:

    • Optical engineering
    • Signal processing
    • Nanotechnology

    Background:

    • Superresolution imaging requires overcoming diffraction limits.
    • Traditional methods often involve complex optical components.
    • Enlarged sidelobes can degrade image quality and resolution.

    Purpose of the Study:

    • To propose and experimentally verify an electrical equalizer for superresolution readout.
    • To enhance system resolution beyond the diffraction limit.
    • To achieve a compact and high signal-to-noise ratio readout system.

    Main Methods:

    • Implementation of a five-tap transversal filter as an electrical equalizer.
    • Theoretical derivation of the electrical equalizer's transfer function.
    • Experimental verification of the proposed system's performance.

    Main Results:

    • The electrical equalizer effectively suppressed enlarged sidelobes.
    • The system achieved higher resolution compared to diffraction-limited systems.
    • The proposed approach resulted in a compact head with a good signal-to-noise ratio.

    Conclusions:

    • Electrical equalization offers an effective alternative to additional optics in superresolution systems.
    • This method enables the fabrication of compact, high-resolution readout systems.
    • The transversal filter equalizer provides a practical solution for improving signal quality and resolution.