On the influence of delay line uncertainty in THz time-domain spectroscopy

D Jahn, S Lippert, M Bisi, L Oberto, JC Balzer… - Journal of Infrared …, 2016 - Springer
Terahertz time-domain spectroscopy (THz TDS) is a well-known tool for material analysis in
the terahertz frequency band. One crucial system component in every time-domain …

Fundamentals of measurement in terahertz time-domain spectroscopy

W Withayachumnankul, M Naftaly - Journal of Infrared, Millimeter, and …, 2014 - Springer
Terahertz time-domain spectroscopy (THz-TDS) has emerged as a main spectroscopic
modality to fill the frequency range between a few hundred gigahertz to a few terahertz. This …

Phase retrieval in terahertz time-domain measurements: a “how to” tutorial

PU Jepsen - Journal of Infrared, Millimeter, and Terahertz Waves, 2019 - Springer
Terahertz time-domain spectroscopy (THz-TDS) is in many ways a well-established, proven,
and versatile spectroscopic technique that is frequently and routinely used in many …

Maximum-likelihood parameter estimation in terahertz time-domain spectroscopy

L Mohtashemi, P Westlund, DG Sahota, GB Lea… - Optics …, 2021 - opg.optica.org
We present a maximum-likelihood method for parameter estimation in terahertz time-domain
spectroscopy. We derive the likelihood function for a parameterized frequency response …

Dual-mode terahertz time-domain spectroscopy system

BSY Ung, J Li, H Lin, BM Fischer… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
Terahertz time-domain spectroscopy (THz-TDS) systems traditionally operate in a single
mode, either in reflection or transmission. In cases where the sample has nonunity …

Uncertainty in terahertz time-domain spectroscopy measurement

W Withayachumnankul, BM Fischer, H Lin, D Abbott - JOSA B, 2008 - opg.optica.org
Measurements of optical constants at terahertz—or T-ray—frequencies have been
performed extensively using terahertz time-domain spectroscopy (THz-TDS). Spectrometers …

A direct comparison between terahertz time-domain spectroscopy and far-infrared Fourier transform spectroscopy

PY Han, M Tani, M Usami, S Kono, R Kersting… - Journal of Applied …, 2001 - pubs.aip.org
We perform a comprehensive comparison between terahertz (THz) time-domain
spectroscopy and conventional far-infrared Fourier transform spectroscopy, including …

Decoupling substrate thickness and refractive index measurement in THz time-domain spectroscopy

F Vandrevala, E Einarsson - Optics express, 2018 - opg.optica.org
Terahertz time-domain spectroscopy (THz–TDS) relies heavily on knowing precisely the
thickness or refractive index of a material. In practice, one of these values is assumed to be …

[HTML][HTML] Tutorial: An introduction to terahertz time domain spectroscopy (THz-TDS)

J Neu, CA Schmuttenmaer - Journal of Applied Physics, 2018 - pubs.aip.org
Terahertz time-domain spectroscopy (THz-TDS) is a powerful technique for material's
characterization and process control. It has been used for contact-free conductivity …

Analysis of measurement uncertainty in THz-TDS

W Withayachumnankul, H Lin… - … , and Applications II, 2007 - spiedigitallibrary.org
Measurement precision is often required in the process of material parameter extraction.
This fact is applicable to terahertz time-domain spectroscopy (THz-TDS), which is able to …