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Transient Optical Clearing Using Absorbing Molecules for Ex Vivo and In Vivo Imaging

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Optical imaging of hidden objects behind clothing.

Yossi Ben-Aderet¹, Er'el Granot, Shmuel Sternklar

¹Department of Electrical and Electronics Engineering, Ariel University Center of Samaria, Ariel 40700, Israel. yossiba2@gmail.com

|July 22, 2010

Summary

We developed a new experimental technique using the Kramers-Kronig algorithm for optical impulse-response characterization. This method enables 3D imaging of hidden objects through diffusive materials with 5mm depth resolution.

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Area of Science:

Optics and Photonics
Biomedical Imaging
Materials Science

Background:

Optical impulse-response characterization is crucial for applications in security and medical imaging.
Imaging through diffusive media presents significant challenges due to light scattering.

Purpose of the Study:

To present a novel experimental technique for acquiring the impulse response of diffusive media.
To demonstrate the application of this technique for imaging objects concealed by clothing.

Main Methods:

Development of an experimental technique based on the Kramers-Kronig algorithm.
Acquisition of optical impulse-response data from diffusive samples.
Implementation of 3D imaging reconstruction algorithms.

Main Results:

Successfully acquired optical impulse responses from diffusive media.
Demonstrated the capability for three-dimensional imaging of hidden objects.
Achieved a depth resolution of 5mm within diffusive layers.

Conclusions:

The developed Kramers-Kronig-based technique is effective for optical impulse-response characterization.
This method enables non-invasive 3D imaging through scattering materials.
Potential applications include security screening and medical diagnostics.