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Phase Contrast and Differential Interference Contrast Microscopy01:26

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Quantitative Optical Microscopy: Measurement of Cellular Biophysical Features with a Standard Optical Microscope
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Quantitative phase imaging based on wavefront correction of a digital micromirror device.

Jing Hu, Xiwei Xie, Yibing Shen

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    |September 15, 2020
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    This study introduces a new phase retrieval method for quantitative phase imaging, correcting digital micromirror device aberrations. The technique ensures high-quality imaging for materials and biological science applications.

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    Area of Science:

    • Optical imaging
    • Materials science
    • Biological science

    Background:

    • High-speed quantitative phase imaging is crucial for materials and biological sciences.
    • Digital micromirror devices (DMDs) can introduce aberrations, reducing phase retrieval accuracy.

    Purpose of the Study:

    • To develop a novel phase retrieval method that corrects for DMD-induced aberrations.
    • To improve the accuracy and quality of quantitative phase imaging.

    Main Methods:

    • A new phase retrieval approach was developed, measuring and correcting for device-induced phase errors.
    • The method utilizes four binary amplitude masks and their diffraction intensities.
    • Rapid convergence and high-quality reconstruction were achieved.

    Main Results:

    • The proposed method effectively corrects for phase non-uniformity errors from DMDs.
    • High-quality phase reconstruction was demonstrated.
    • Experimental validation confirmed practical feasibility for diverse samples.

    Conclusions:

    • The developed method significantly enhances the accuracy of phase retrieval in quantitative phase imaging.
    • This technique offers a practical solution for aberration correction in DMD-based phase imaging.
    • It holds promise for advancing high-speed imaging in scientific research.