Real-time terahertz material characterization by numerical three-dimensional optimization

M Scheller - Optics express, 2011 - opg.optica.org
Terahertz time domain spectroscopy allows for characterization of dielectrics even in cases
where the samples thickness is unknown. However, a parameter extraction over a broad …

Material parameter extraction for terahertz time-domain spectroscopy using fixed-point iteration

W Withayachumnankul, B Ferguson… - Photonic materials …, 2005 - spiedigitallibrary.org
A simple method to extract the far-infrared dielectric parameters of a homogeneous material
from terahertz signals is explored in this paper. Provided with a reference, sample-probing …

Material parameter estimation with terahertz time-domain spectroscopy

TD Dorney, RG Baraniuk, DM Mittleman - JOSA A, 2001 - opg.optica.org
Imaging systems based on terahertz (THz) time-domain spectroscopy offer a range of
unique modalities owing to the broad bandwidth, subpicosecond duration, and phase …

Data extraction from terahertz time domain spectroscopy measurements

M Scheller - Journal of Infrared, Millimeter, and Terahertz Waves, 2014 - Springer
The potential of terahertz (THz) time domain spectroscopy to simultaneously determine the
complex dielectric parameters of materials and their geometrical thickness is of high interest …

Fast and accurate thickness determination of unknown materials using terahertz time domain spectroscopy

M Scheller, M Koch - Journal of Infrared, Millimeter, and Terahertz Waves, 2009 - Springer
We present a fast and accurate time domain based algorithm which extracts simultaneously
the thickness and refractive index of highly transparent samples from terahertz time domain …

A reliable method for extraction of material parameters in terahertz time-domain spectroscopy

L Duvillaret, F Garet, JL Coutaz - IEEE Journal of selected …, 1996 - ieeexplore.ieee.org
This paper introduces a novel method that allows fast and reliable extraction of material
parameters in terahertz time-domain spectroscopy. This method could be applied for most …

Iterative tree algorithm to evaluate terahertz signal contribution of specific optical paths within multilayered materials

Q Cassar, A Chopard, F Fauquet… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Terahertz time-domain spectroscopy is a specifically appropriated technique to analyze
layered structure composition and dimension. Inverse electromagnetic problems are …

Nondestructive material characterization in the terahertz band by selective extraction of sample-induced echo signals

J Choi, WS Kwon, KS Kim, S Kim - Journal of Nondestructive Evaluation, 2015 - Springer
Terahertz time-domain spectroscopy (THz-TDS) allows broadband noninvasive
measurement of the optical parameters of various materials in the THz domain. The …

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 …

Highly precise determination of optical constants and sample thickness in terahertz time-domain spectroscopy

L Duvillaret, F Garet, JL Coutaz - Applied optics, 1999 - opg.optica.org
Time-domain spectroscopy allows fast and broadband measurement of the optical constants
of materials in the terahertz domain. We present a method that improves the determination of …