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…
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.
The study demonstrates that terahertz (THz) time‑domain spectroscopy can detect measurable changes in the optical properties of blood plasma from mice bearing Ehrlich carcinoma, offering a rapid, non‑invasive diagnostic approach for oncological disease. By measuring the refractive index and…
An in-depth editorial guide to Multimodal Optical Diagnostics of Glycated Biological Tissues, its scientific context, terahertz contribution, applications, and collaboration potential in Biomedical Imaging.
The pilot research demonstrates that terahertz (THz) imaging in the 300‑600 GHz band can reliably distinguish between malignant and healthy breast tissues within freshly excised specimens. Because the refractive index of cancerous tissue mixtures is measurably higher than that of fat or normal…
An in-depth editorial guide to Art Painting Diagnostic Before Restoration with Terahertz and Millimeter Waves, its scientific context, terahertz contribution, applications, and collaboration potential in Biomedical Imaging.
Terahertz computed tomography (THz‑CT) offers a powerful, non‑contact imaging modality for security screening, material inspection and biomedical diagnostics, yet its practical deployment has been limited by the low photon energy of terahertz waves and the high noise levels inherent to thermal…
An in-depth editorial guide to Terahertz biophotonics as a tool for studies of dielectric and spectral properties of biological tissues and liquids, its scientific context, terahertz contribution, applications, and collaboration potential in Biomedical Imaging.
The study demonstrates that the Shape‑from‑Focus (SFF) algorithm, traditionally used in optical microscopy, can be successfully applied to real‑time terahertz (THz) imaging systems to generate sharp two‑dimensional images and depth maps of thin or layered objects. By recording a rapid stack of…
An in-depth editorial guide to NearSense – Advances Towards a Silicon-Based Terahertz Near-Field Imaging Sensor for Ex Vivo Breast Tumour Identification, its scientific context, terahertz contribution, applications, and collaboration potential in Biomedical Imaging.
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 (THz) imaging offers a non‑destructive, contactless method for probing the internal structure of dielectric materials, yet its practical use has been limited by severe artifacts caused by refractive‑index mismatch at sample interfaces. This study demonstrates that immersing non‑planar…
The research team from Bordeaux and Limoges has engineered a compact, optics‑free terahertz imaging system that delivers high‑resolution reflectometry through a single hollow‑core waveguide. By integrating two photoconductive antennas on a single low‑temperature gallium arsenide chip and coupling…
A new terahertz imaging platform has been introduced that reconciles the high sensitivity of terahertz (THz) radiation with the practical constraints of industrial and medical diagnostics. By focusing femtosecond pulses from a fiber‑coupled 1.56 µm laser onto a thin gallium arsenide crystal, the…
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…
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…
The study demonstrates how terahertz (THz) spectroscopy, when coupled with solid‑state density functional theory (ss‑DFT) simulations, provides a powerful, non‑destructive tool for the identification and analysis of copper‑containing historical pigments used in art, manuscripts, and cultural…
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…
Terahertz (THz) imaging exploits the unique ability of 0.3–10 THz radiation to penetrate a wide range of dielectric materials while providing spectroscopic fingerprints of many chemical species. The reviewed work demonstrates that, beyond conventional two‑dimensional transmission or reflection…
The research presents a novel, rapid diagnostic technique that harnesses terahertz (THz) pulse time‑domain holography to evaluate the optical properties of lyophilized blood plasma pellets. By converting plasma into compact, freeze‑dried tablets, the method overcomes the limitations of liquid blood…
The study introduces a novel photomixing technique that generates long terahertz (THz) pulses with a broad, linearly chirped spectrum by interfering two optical pulses of opposite chirp. By stretching each pulse to roughly 90 ps and applying opposite frequency sweeps, the beat frequency evolves…
An in-depth editorial guide to TeraPulse Lx for terahertz imaging of painting on canvas, its scientific context, terahertz contribution, applications, and collaboration potential in Art & Cultural Heritage.
Terahertz technology is emerging as a powerful, contact‑free tool for the aeronautics sector, offering both rapid structural health monitoring and precise material characterization. The study demonstrates that frequency‑modulated continuous‑wave (FMCW) radars operating in the 100–300 GHz band can…
Terahertz near‑field microscopy built around a scanning point terahertz source (SPoTS) achieves a spatial resolution of approximately ten micrometres, breaking the diffraction‑limited barrier that has traditionally constrained terahertz imaging to millimetre scales. By placing a formalin‑fixed,…
Terahertz time‑domain imaging has been harnessed to generate refractive‑index maps of freshly excised breast tissue, enabling a non‑ionising, optical‑based assessment of tumour margins during breast‑conserving surgery. By converting the refractive‑index distribution into a binary map and then…
Executive Summary Recent research has demonstrated that terahertz (THz) near‑field microscopy can be employed to detect ductal carcinoma in situ (DCIS) – a pre‑invasive breast cancer that is notoriously difficult to identify during surgery due to its small size (50–500 µm). Conventional THz…
Terahertz (THz) imaging has been demonstrated as a powerful, non‑contact, non‑ionizing technique for probing the internal structure of cultural heritage objects, particularly those mounted on metal supports where conventional optical, X‑ray, or infrared methods fail. In this study, a…
The study demonstrates a new generation of terahertz‑frequency radar probes that combine a frequency‑modulated continuous‑wave (FMCW) transmitter with a thin‑wall hollow‑core dielectric waveguide. By guiding the millimetre‑wave signal directly inside a polymer pipe, the device eliminates the need…
The study demonstrates that a compact, frequency‑modulated continuous‑wave radar operating at 300 GHz can non‑destructively image rock interiors with unprecedented detail. By scanning a 121 cm² area in only fifteen minutes, the system resolves millimetre‑scale fractures and subtle lithological…
The research introduces a handheld terahertz (THz) sensing platform that fuses a frequency-modulated continuous wave (FMCW) radar with a smartphone‑based augmented reality (AR) interface. The integration eliminates the need for heavy mechanical scanners, reducing system weight and cost while…