Terahertz-time domain spectrometer with 90 dB peak dynamic range

N Vieweg, F Rettich, A Deninger, H Roehle… - Journal of Infrared …, 2014 - Springer
Many time-domain terahertz applications require systems with high bandwidth, high signal-
to-noise ratio and fast measurement speed. In this paper we present a terahertz time-domain …

Asynchronous optical sampling terahertz time-domain spectroscopy for ultrahigh spectral resolution and rapid data acquisition

T Yasui, E Saneyoshi, T Araki - Applied Physics Letters, 2005 - pubs.aip.org
We propose a terahertz time-domain spectrometer based on asynchronous optical
sampling. The spectrometer features ultrahigh spectral resolution equivalent to a laser mode …

Terahertz spectrometer operation by laser repetition frequency tuning

R Wilk, T Hochrein, M Koch, M Mei, R Holzwarth - JOSA B, 2011 - opg.optica.org
We present a fully fiber-coupled terahertz time domain spectrometer based on a single
ultrafast laser with an adjustable pulse repetition frequency that does not employ an external …

Rapid-scanning terahertz precision spectrometer with more than 6 THz spectral coverage

G Klatt, R Gebs, C Janke, T Dekorsy, A Bartels - Optics Express, 2009 - opg.optica.org
We report a terahertz time-domain spectrometer with more than 6 THz spectral coverage
and 1 GHz resolution based on high-speed asynchronous optical sampling. It operates at 2 …

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 …

Dynamic range in terahertz time-domain transmission and reflection spectroscopy

PU Jepsen, BM Fischer - Optics letters, 2005 - opg.optica.org
We present a quantitative method for identification of the dynamic range of the detectable
absorption coefficient in the analysis of transmission terahertz (THz) time-domain …

Methodologies for determining the dynamic ranges and signal-to-noise ratios of terahertz time-domain spectrometers

M Naftaly, R Dudley - Optics letters, 2009 - opg.optica.org
Methodologies for determining the dynamic ranges and signal-to-noise ratios of terahertz
time-domain spectrometers clickable element to expand a topic LOGIN OR CREATE …

Terahertz time-domain spectroscopy

M Koch, DM Mittleman, J Ornik… - Nature Reviews Methods …, 2023 - nature.com
The terahertz band of the electromagnetic spectrum was the least explored region of the
spectrum prior to the introduction of the technique known as time-domain spectroscopy …

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 …

All fiber-coupled THz-TDS system with kHz measurement rate based on electronically controlled optical sampling

RJB Dietz, N Vieweg, T Puppe, A Zach, B Globisch… - Optics letters, 2014 - opg.optica.org
We demonstrate a completely fiber-coupled terahertz (THz) time-domain spectrometer (TDS)
system based on electronically controlled optical sampling with two erbium-doped …