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Related Concept Videos

Overview of Microscopy Techniques01:22

Overview of Microscopy Techniques

The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...
Scanning Electron Microscopy01:07

Scanning Electron Microscopy

A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
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Related Experiment Video

Updated: Jun 16, 2026

Rapid Scan Electron Paramagnetic Resonance Opens New Avenues for Imaging Physiologically Important Parameters In Vivo
08:01

Rapid Scan Electron Paramagnetic Resonance Opens New Avenues for Imaging Physiologically Important Parameters In Vivo

Published on: September 26, 2016

Fast scanning microspectroscopy: an electrodynamic moving-condenser method.

P A Benedetti, G Bianchini, G Chiti

    Applied Optics
    |February 19, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an electrodynamic condenser displacement technique to significantly enhance microspectroscopy scanning speed and optical accuracy. The new method offers precise, rapid exploration of samples, benefiting complex experiments and live cell imaging.

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    Last Updated: Jun 16, 2026

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    Published on: September 26, 2016

    Scanning-probe Single-electron Capacitance Spectroscopy
    10:53

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    Published on: July 30, 2013

    Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis
    07:24

    Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis

    Published on: May 10, 2021

    Area of Science:

    • Optical Physics
    • Spectroscopy
    • Microscopy

    Background:

    • Current microspectroscopy scanning devices suffer from poor speed and limited optical accuracy.
    • High-resolution microspectroscopy requires improved performance for advanced applications.

    Purpose of the Study:

    • To present an electrodynamic technique for enhancing microspectroscopy scanning performance.
    • To improve speed, optical accuracy, and precision in microspectroscopy.

    Main Methods:

    • Utilizing an electrodynamic technique for condenser displacement.
    • Implementing random addressing for X and Y scanning axes.
    • Employing arbitrary driving signals for focusing.

    Main Results:

    • Achieved substantial improvements in speed and optical accuracy for high-resolution microspectroscopy.
    • Explored areas up to 500 x 500 micrometers with approximately 0.15 micrometer accuracy.
    • Demonstrated a position settling-time of less than 6 milliseconds.

    Conclusions:

    • The developed electrodynamic technique significantly boosts microspectroscopy performance.
    • Fast and precise operation is advantageous for dual-beam measurements on sensitive samples and complex experiments.