Terahertz time-domain spectroscopy of solid samples: principles, applications, and challenges

RM Smith, MA Arnold - Applied Spectroscopy Reviews, 2011 - Taylor & Francis
Advances in ultrafast lasers and semiconductor technologies have facilitated access to the
terahertz (THz) frequency range for spectroscopic and imaging purposes. THz time-domain …

Nondestructive evaluation of aircraft composites using transmissive terahertz time domain spectroscopy

CD Stoik, MJ Bohn, JL Blackshire - Optics express, 2008 - opg.optica.org
Terahertz time domain spectroscopy (TDS) was assessed as a nondestructive evaluation
technique for aircraft composites. Damage to glass fiber was studied including voids …

Analyzing sub-100-μm samples with transmission terahertz time domain spectroscopy

M Scheller, C Jansen, M Koch - Optics Communications, 2009 - Elsevier
The authors propose a method for the extraction of material parameter and thickness
information from sub-100-μm thin samples using non-differential transmission terahertz time …

Polarization-independent tunable terahertz slow light with electromagnetically induced transparency metasurface

KM Devi, A Jana, A Punjal, N Acharyya… - New Journal of …, 2022 - iopscience.iop.org
Tunable slow light systems have gained much interests recently due to their efficient control
of strong light–matter interactions as well as their huge potential for realizing tunable device …

Classification of amino acids using hybrid terahertz spectrum and an efficient channel attention convolutional neural network

B Wang, X Qin, K Meng, L Zhu, Z Li - Nanomaterials, 2022 - mdpi.com
Terahertz (THz) spectroscopy is the de facto method to study the vibration modes and
rotational energy levels of molecules and is a widely used molecular sensor for non …

A porous core Zeonex THz fiber with low loss and small dispersion

S Mei, D Kong, Q Mu, W Li, Z He, L Wang… - Optical Fiber …, 2022 - Elsevier
A fabricated microstructured polymer optical fiber (MPOF), with porous core and porous
cladding consisting of a hexagonal array of circular air-holes, is experimentally investigated …

Detection of methomyl, a carbamate insecticide, in food matrices using terahertz time-domain spectroscopy

SH Baek, JH Kang, YH Hwang, KM Ok, K Kwak… - Journal of Infrared …, 2016 - Springer
The aim of this study was to investigate the feasibility of detecting methomyl, a carbamate
insecticide, in food matrices (wheat and rice flours) using terahertz time-domain …

[HTML][HTML] Dispersion in dielectric-lined waveguides designed for terahertz-driven deflection of electron beams

V Georgiadis, AL Healy, MT Hibberd, G Burt… - Applied Physics …, 2021 - pubs.aip.org
We have developed dielectric-lined rectangular waveguide structures for terahertz (THz)-
driven ultrafast deflection of 100 keV electron beams. The structures were designed to …

Silicon field effect transistor as the nonlinear detector for terahertz autocorellators

K Ikamas, I Nevinskas, A Krotkus, A Lisauskas - Sensors, 2018 - mdpi.com
We demonstrate that the rectifying field effect transistor, biased to the subthreshold regime,
in a large signal regime exhibits a super-linear response to the incident terahertz (THz) …

Quantitative analysis of aqueous biomolecular mixtures by THz spectroscopy based on high-power LiNbO3 radiation source

H Wang, W Shi, L Hou, C Li, Z Wang, L Yang… - Spectrochimica Acta Part …, 2023 - Elsevier
The rapid and accurate identification of the types and contents of early pathological markers
by THz technology are of particular importance for the prevention and treatment of major …