Compact diode-laser-based system for continuous-wave and quasi-time-domain terahertz spectroscopy

C Brenner, M Hofmann, M Scheller, MK Shakfa… - Optics letters, 2010 - opg.optica.org
We present a multimodal diode-laser-based terahertz (THz) spectroscopy system. In contrast
to other laser-based THz setups that provide either cw or broadband THz generation, our …

Combless broadband terahertz generation with conventional laser diodes

D Molter, A Wagner, S Weber, J Jonuscheit… - Optics express, 2011 - opg.optica.org
We present a novel technique to generate a continuous, combless broadband Terahertz
spectrum with conventional low-cost laser diodes. A standard time-domain spectroscopy …

Compact, low-cost, and broadband terahertz time-domain spectrometer

N Couture, J Schlosser, A Ahmed, M Wahbeh… - Applied Optics, 2023 - opg.optica.org
Terahertz time-domain spectroscopy (THz-TDS) is a powerful technique that enables the
characterization of a large range of bulk materials, devices, and products. Although this …

Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidth

L Liebermeister, S Nellen, RB Kohlhaas… - Nature …, 2021 - nature.com
Broadband terahertz spectroscopy enables many promising applications in science and
industry alike. However, the complexity of existing terahertz systems has as yet prevented …

Simultaneous reference and differential waveform acquisition in time-resolved terahertz spectroscopy

K Iwaszczuk, DG Cooke, M Fujiwara, H Hashimoto… - Optics …, 2009 - opg.optica.org
We present a new method for data acquisition in time-resolved terahertz spectroscopy
experiments. Our approach is based on simultaneous collection of reference and differential …

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 quasi-time-domain spectroscopy imaging

M Scheller, SF Dürrschmidt, M Stecher, M Koch - Applied optics, 2011 - opg.optica.org
We demonstrate terahertz (THz) imaging with a quasi-time-domain spectrometer. This type
of THz system is inexpensive, compact, and relatively easy to set up. Beating the …

High-performance fiber-laser-based terahertz spectrometer

D Stehr, CM Morris, C Schmidt, MS Sherwin - Optics letters, 2010 - opg.optica.org
We have developed a rapid scanning terahertz (THz) spectrometer based on a
synchronized two-fiber-laser system. When the system is set to the asynchronous optical …

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 …