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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 12, 2026

Hybrid Microdrive System with Recoverable Opto-Silicon Probe and Tetrode for Dual-Site High Density Recording in Freely Moving Mice
08:57

Hybrid Microdrive System with Recoverable Opto-Silicon Probe and Tetrode for Dual-Site High Density Recording in Freely Moving Mice

Published on: August 10, 2019

High density recording by superresolution in an optical disk memory system.

Y Yamanaka, Y Hirose, H Fujii

    Applied Optics
    |June 23, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an optical superresolution technique to enhance optical disk recording density. The method improves linear recording density by 1.2 times compared to conventional methods.

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    Whole-cell Super-Resolution Imaging via DNA-PAINT on a Spinning Disk Confocal with Optical Photon Reassignment
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    Published on: January 6, 2026

    Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution
    08:48

    Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution

    Published on: September 5, 2012

    Related Experiment Videos

    Last Updated: Jun 12, 2026

    Hybrid Microdrive System with Recoverable Opto-Silicon Probe and Tetrode for Dual-Site High Density Recording in Freely Moving Mice
    08:57

    Hybrid Microdrive System with Recoverable Opto-Silicon Probe and Tetrode for Dual-Site High Density Recording in Freely Moving Mice

    Published on: August 10, 2019

    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

    Published on: January 6, 2026

    Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution
    08:48

    Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution

    Published on: September 5, 2012

    Area of Science:

    • Optics and Photonics
    • Data Storage Technologies

    Background:

    • Conventional optical disk recording faces limitations in data density.
    • Improving linear recording density is crucial for next-generation storage solutions.

    Purpose of the Study:

    • To propose and evaluate an optical superresolution technique for high-density optical disk recording.
    • To enhance the linear recording density beyond conventional optical recording limits.

    Main Methods:

    • Implementing a shading band in the collimating beam to reduce focused spot size.
    • Utilizing a slit on a reimaged plane to extract the main lobe of the reflected beam.
    • Mitigating readout signal degradation caused by focused spot sidelobes.

    Main Results:

    • Focused spot size reduced to 80% of conventional optical recording.
    • Suppression of readout signal degradation through spatial filtering.
    • Achieved a 1.2 times improvement in linear recording density.

    Conclusions:

    • The proposed optical superresolution technique effectively increases optical disk recording density.
    • This method offers a viable approach for achieving higher data storage capacities in optical media.