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Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

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Wide-field quantitative ghost phase imaging with phase-shifting holographic ghost diffraction.

R V Vinu, Yanyan Huang, Xingpeng Du

|January 29, 2025

Summary

This summary is machine-generated.

This study introduces a quantitative ghost phase imaging method using holographic ghost diffraction and phase-shifting. The technique overcomes bandwidth limitations in ghost imaging for advanced quantitative phase imaging applications.

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Area of Science:

Optics and Photonics
Image Processing
Quantitative Imaging

Background:

Ghost holography enables complex field recovery in quantitative imaging.
Digital holography in ghost imaging frameworks faces space-bandwidth or time-bandwidth limitations.

Purpose of the Study:

To propose and demonstrate a quantitative ghost phase imaging approach.
To overcome bandwidth restrictions in ghost imaging techniques.

Main Methods:

Utilizes a holographic ghost diffraction scheme combined with phase-shifting.
Employs an off-axis holography system superposing ghost diffraction fields with a reference random field.
Incorporates a spatial light modulator for fast temporal phase shifting to enhance effective bandwidth.

Main Results:

Successfully demonstrates quantitative phase imaging of abrupt and continuous phase samples.
Enhances effective bandwidth in the frequency domain by suppressing redundant terms.
Validates the applicability of the proposed quantitative ghost phase imaging technique.

Conclusions:

The developed approach effectively addresses bandwidth limitations in ghost imaging.
Enables advanced quantitative phase imaging applications.
Offers a robust method for complex field recovery in diverse imaging scenarios.