Propagation beam consideration for 3D THz computed tomography

Research figure associated with Propagation beam consideration for 3D THz computed tomography

The study introduces a new physical model that captures the real behaviour of terahertz (THz) radiation when used for three-dimensional tomographic imaging. Unlike conventional X‑ray methods that treat the beam as a straight, uniform ray, the authors model the THz pulse as a Gaussian beam whose…

Aeronautics composite material inspection with a terahertz time-domain spectroscopy system

Terahertz research image associated with Terahertz waves for contactless control and imaging in aeronautics industry

An in-depth editorial guide to Aeronautics composite material inspection with a terahertz time-domain spectroscopy system, its scientific context, terahertz contribution, applications, and collaboration potential in Non-Destructive Testing.

Ordered subsets convex algorithm for 3D terahertz transmission tomography

Terahertz research image associated with Ordered subsets convex algorithm for 3D terahertz transmission tomography

This research introduces a practical, high‑performance technique for three‑dimensional terahertz (THz) tomography that is designed to meet the stringent demands of non‑destructive inspection in industrial and cultural heritage contexts. The method refines the maximum‑likelihood reconstruction…

Advanced Processing Sequence for 3-D THz Imaging

Terahertz research image associated with Ordered subsets convex algorithm for 3D terahertz transmission tomography

The authors present a comprehensive, automated image‑processing pipeline that transforms raw terahertz (THz) radiographs into detailed three‑dimensional reconstructions of an object’s internal structure. The sequence combines a regularized tomographic reconstruction algorithm with K‑means…

Terahertz imaging and tomography as efficient instruments for testing polymer additive manufacturing objects

Terahertz research image associated with Terahertz Nondestructive Testing with Ultra-Wideband FMCW Radar

Terahertz (THz) imaging and tomography have been shown to provide a rapid, non‑destructive and radiation‑free method for inspecting polymer parts produced by additive manufacturing. Unlike conventional X‑ray tomography, THz techniques offer the possibility of routine quality assurance for complex…

Iterative Tree Algorithm to Evaluate Terahertz Signal Contribution of Specific Optical Paths Within Multilayered Materials

Terahertz research image associated with Guided Reflectometry Imaging Unit Using Millimeter Wave FMCW Radars

Terahertz time‑domain spectroscopy (THz‑TDS) is a powerful, contact‑less technique for probing the internal structure of layered materials, a capability that is increasingly valuable in aerospace, automotive, composite manufacturing, and cultural heritage conservation. Conventional THz‑TDS analysis…

Using soy protein in the three-component phantom for breast cancer mimicking

Research figure associated with Terahertz refractive index-based morphological dilation for breast carcinoma delineation

The study presents a novel class of zwitterionic polymeric nanogels engineered to mimic the physicochemical properties of biological fluids and to serve simultaneously as diagnostic and therapeutic agents for breast cancer. By tailoring the composition of the nanogels—incorporating gelatin,…

A Versatile Illumination System for Real-Time Terahertz Imaging

Terahertz research image associated with Skeletonization and 3D rendering with real time terahertz tomography

Terahertz (THz) technology has long been recognised for its unique ability to penetrate non‑conductive, often opaque materials and reveal hidden structures without causing damage. Yet the potential of THz imaging for rapid, on‑line non‑destructive testing (NDT) and quality control has remained…