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Updated: Jun 17, 2026

Terahertz Imaging and Characterization Protocol for Freshly Excised Breast Cancer Tumors

Terahertz Imaging and Characterization Protocol for Freshly Excised Breast Cancer Tumors

Published on: April 5, 2020

Compressed sensing pulse-echo mode terahertz reflectance tomography.

Kyung Hwan Jin¹, Youngchan Kim, Dae-Su Yee

¹Department of Bio and Brain Engineering, KAIST, 335 Gwahak-ro, Yuseong-gu, Daejeon 305-701, Korea.

|December 18, 2009

Summary

This summary is machine-generated.

We developed a fast terahertz (THz) tomography system using pulse-echo mode and compressed sensing. This technique significantly reduces data acquisition time for 3D imaging without compromising image quality.

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Diffuse Reflectance Spectroscopy: Getting the Capillary Refill Test Under One's Thumb

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Published on: December 2, 2017

Area of Science:

Physics
Imaging Science
Electrical Engineering

Background:

Terahertz (THz) imaging offers non-ionizing radiation and high spectral resolution.
Traditional THz tomography requires long acquisition times, limiting practical applications.
Compressed sensing (CS) can reduce data requirements for tomographic reconstruction.

Purpose of the Study:

To demonstrate a novel pulse-echo mode terahertz reflectance tomography system.
To achieve high-resolution 3D tomographic reconstruction with reduced acquisition time.
To validate the effectiveness of compressed sensing in THz tomography.

Main Methods:

Utilized high-resolution asynchronous-optical-sampling THz time domain spectroscopy (AOS THz-TDS) for scattered THz waveform measurement.
Implemented a compressed sensing approach for 3D tomographic reconstruction.
Employed pulse-echo mode sensing for efficient data acquisition.

Main Results:

Successfully demonstrated pulse-echo mode THz reflectance tomography.
Achieved significant reduction in data acquisition time.
Maintained high-quality 3D tomographic reconstruction.

Conclusions:

The proposed pulse-echo THz tomography system enables faster 3D imaging.
The combination of AOS THz-TDS and compressed sensing is effective for efficient THz tomography.
This technique has potential for various applications requiring rapid 3D THz imaging.