Frequency comb measurements for 6G terahertz nano/microphotonics and metamaterials

G Kang, Y Lee, J Kim, D Yang, HK Nam, S Kim… - …, 2024 - degruyter.com
Next-generation 6G communication holds the potential to revolutionize data transfer,
enabling the realization of eXtended Reality (XR) with enhanced sensory experiences. To …

Sensing and non-destructive testing applications of terahertz spectroscopy and imaging systems: State-of-the-art and state-of-the-practice

W Nsengiyumva, S Zhong, L Zheng… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Terahertz (THz) technology has firmly established itself as an effective sensing and
nondestructive testing (NDT) technique for the detection of substances and physicochemical …

Near-field terahertz single-pixel imaging with ultralow sampling ratio

X Chen, J Li, L Du, C Sun, Z Zhai, S Zhong, Q Liu… - Optics …, 2024 - opg.optica.org
In this work, we propose what we believe to be a novel reordered Hadamard basis method,
namely frequency-domain modulus-correlation Hadamard (FMH), which ensures uniform …

A terahertz fast-sweep optoelectronic frequency-domain spectrometer: Calibration, performance tests, and comparison with tds and fds

J Kutz, L Liebermeister, N Vieweg, K Wenzel… - Applied Sciences, 2022 - mdpi.com
We report calibration and performance tests of a terahertz fast-sweep optoelectronic
frequency-domain spectrometer designed for industrial applications, aimed at quantifying its …

Plasmonic photoconductive terahertz focal-plane array with pixel super-resolution

X Li, D Mengu, NT Yardimci, D Turan, A Charkhesht… - Nature …, 2024 - nature.com
Imaging systems operating in the terahertz part of the electromagnetic spectrum are
attractive due to their ability to penetrate many opaque materials and provide unique …

THz time-domain ellipsometer for material characterization and paint quality control with more than 5 THz bandwidth

H Ketelsen, R Mästle, L Liebermeister, R Kohlhaas… - Applied Sciences, 2022 - mdpi.com
Featured Application Multi-layer thin film measurements for quality control by terahertz time-
domain spectroscopy in reflection geometry. Abstract Quality control of car body paint in the …

Miniaturized continuous-wave terahertz spectrometer with 3.6 THz bandwidth enabled by photonic integration and microelectronics

S Nellen, L Schwenson, L Liebermeister… - IEEE …, 2024 - ieeexplore.ieee.org
Broadband terahertz spectroscopy is a valuable analytical tool in science and a promising
technology for industrial non-destructive, non-contact testing, eg thickness measurements of …

Angle-Dependent Metasurface for Nonspectroscopic THz Sensing of Submicron Films

MA Tumashov, JD Baena, JP Del Risco… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Efficient sensors for terahertz (THz) frequency range are in high demand for applications in
biomedicine, chemistry, security, and electronics. Conventional thin-film sensing relies on …

Online thickness measurements of acrylate-based coatings on knitted polyester fabric using terahertz time-domain spectroscopy

N Vieweg, N Regner, K Dutzi, J Kutz… - Journal of Industrial …, 2023 - journals.sagepub.com
Three different institutions combined their expertise in a joint R&D project to demonstrate the
suitability of terahertz time-domain spectroscopy for thickness measurements of acrylate …

Characterisation of multi-layered structures using a vector-based gradient descent algorithm at terahertz frequencies

A Mukherjee, S Wassmann, K Wenzel, B Globisch… - Optics …, 2023 - opg.optica.org
Material characterisation and imaging applications using terahertz radiation have gained
interest in the past few years due to their enormous potential for industrial applications. The …