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Updated: May 13, 2026

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects

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Published on: February 8, 2014

Backscattering differential ghost imaging in turbid media.

M Bina¹, D Magatti, M Molteni

¹Dipartimento di Scienza e Alta Tecnologia, Università degli Studi dell'Insubria, Via Valleggio 11, I-22100 Como, Italy. matteo.bina@gmail.com

Physical Review Letters

|March 12, 2013

Summary

This summary is machine-generated.

Differential ghost imaging (DGI) successfully retrieved images of absorbing objects in turbid media. This backscattering technique offers improved contrast over direct imaging for submerged objects.

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Simultaneous Evaluation of Cerebral Hemodynamics and Light Scattering Properties of the In Vivo Rat Brain Using Multispectral Diffuse Reflectance Imaging

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Area of Science:

Optics and Photonics
Image Reconstruction
Scattering Media

Background:

Imaging through turbid media remains challenging due to light scattering.
Differential ghost imaging (DGI) is a technique that utilizes correlations between two beams to form an image.
Backscattering configurations are often employed for in-situ measurements.

Purpose of the Study:

To investigate the application of DGI in a backscattering configuration for imaging absorbing objects in turbid media.
To evaluate the image quality and contrast achieved by DGI compared to other imaging methods.
To develop a theoretical model for DGI in turbid media.

Main Methods:

Experimental implementation of differential ghost imaging (DGI) in a backscattering setup.
Imaging of thin black absorbing objects submerged in a turbid solution near the surface.
Comparison of DGI image contrast with standard noncorrelated direct imaging and noncorrelated diffusive imaging.
Development of a basic theoretical model for DGI optics in turbid media.

Main Results:

DGI successfully retrieved images of absorbing objects within a turbid medium.
The contrast of images obtained via DGI was superior to standard noncorrelated direct imaging.
The image contrast achieved by DGI was comparable to noncorrelated diffusive imaging.
A theoretical model was proposed to explain the observed DGI performance.

Conclusions:

Differential ghost imaging is a viable technique for imaging absorbing objects in turbid media using a backscattering configuration.
DGI offers improved contrast for submerged objects compared to direct imaging methods.
The proposed theoretical model provides insight into the optical principles governing DGI in scattering environments.