Applications of terahertz spectroscopy in the field of construction and building materials

A Abina, U Puc, A Jeglič, A Zidanšek - Applied spectroscopy …, 2015 - Taylor & Francis
In last two decades, rapid development in the field of terahertz (THz) technology has opened
new possibilities for creating innovative imaging and sensing systems. Although the …

High-speed terahertz time-domain spectroscopy based on electronically controlled optical sampling

Y Kim, DS Yee - Optics letters, 2010 - opg.optica.org
We demonstrate high-speed terahertz (THz) time-domain spectroscopy based on
electronically controlled optical sampling (ECOPS). The ECOPS system utilizes two …

Triggerless data acquisition in asynchronous optical-sampling terahertz time-domain spectroscopy based on a dual-comb system

M Okano, S Watanabe - Optics Express, 2022 - opg.optica.org
By using two mutually phase-locked optical frequency combs with slightly different repetition
rates, we demonstrate asynchronous optical-sampling terahertz time-domain spectroscopy …

Terahertz spectroscopy: System and sensitivity considerations

HW Hubers, MF Kimmitt, N Hiromoto… - IEEE Transactions …, 2011 - ieeexplore.ieee.org
Terahertz spectroscopy is a backbone method in many areas of research. We have
analyzed typically employed THz spectroscopy systems and their sensitivity in a general …

Terahertz birefringence in zinc oxide

Y Kim, J Ahn, BG Kim, DS Yee - Japanese Journal of Applied …, 2011 - iopscience.iop.org
The birefringence of zinc oxide (ZnO) in the terahertz (THz) frequency range is measured
using a parallel-polarization configuration THz time-domain spectrometer and compared …

Terahertz lens made out of natural stone

D Han, K Lee, J Lim, SS Hong, YK Kim, J Ahn - Applied Optics, 2013 - opg.optica.org
Terahertz (THz) time-domain spectroscopy probes the optical properties of naturally
occurring solid aggregates of minerals, or stones, in the THz frequency range. Refractive …

Vibration–rotation absorption spectrum of water vapor molecular in frequency selector at 0.5–2.5 THz range

H Cui, XB Zhang, JF Su, YX Yang, Q Fang, XY Wei - Optik, 2015 - Elsevier
Water vapor in the atmosphere is the main absorber for terahertz electromagnetic waves.
The power absorption of water vapor had been measured in 0.5–2.5 THz by using terahertz …

High-resolution broadband terahertz spectroscopy via electronic heterodyne detection of photonically generated terahertz frequency comb

DG Pavelyev, AS Skryl, MI Bakunov - Optics Letters, 2014 - opg.optica.org
We report an alternative approach to the terahertz frequency-comb spectroscopy (TFCS)
based on nonlinear mixing of a photonically generated terahertz pulse train with a …

High-resolution terahertz spectroscopy with a single tunable frequency comb

AS Skryl, DG Pavelyev, MY Tretyakov, MI Bakunov - Optics express, 2014 - opg.optica.org
We report an improvement of three orders of magnitude in the spectral resolution of a
recently proposed single-comb terahertz spectroscopy [Opt. Lett. 39, 5669 (2014)]. The …

Enhanced bandwidth, high gain, low noise transimpedance amplifier for asynchronous optical sampling systems

X Yang, B Su, Y Wu, H Zhang, DR Jones - Review of Scientific …, 2019 - pubs.aip.org
The methodology to correctly identify the high-bandwidth devices that are able to deliver the
lowest noise voltage-amplification from receiving terahertz antenna or photodiode current …