Results 181 to 190 of about 3,579 (212)

Investigation of water diffusion dynamics in corneal phantoms using terahertz time-domain spectroscopy. [PDF]

Biomed Opt Express, 2020
Chen A, Osman OB, Harris ZB, Abazri A, Honkanen R, Arbab MH.   +5 more
europepmc   +1 more source

Terahertz time-domain spectroscopy of astrophysical ice analogs: A pilot study

EPJ Web of Conferences, 2018
Gavdush A.A., Giuliano B.M., Müller B., Komandin G.A., Palumbo M.E., Baratta G.A., Sciré C., Yurchenko S.O., Zaytsev K.I., Ivlev A.V., Caselli P.   +10 more
doaj   +1 more source

Microscopic ion migration in solid electrolytes revealed by terahertz time-domain spectroscopy. [PDF]

Nat Commun, 2019
Morimoto T, Nagai M, Minowa Y, Ashida M, Yokotani Y, Okuyama Y, Kani Y.   +6 more
europepmc   +1 more source

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Terahertz Time-Domain Spectroscopy

2021
This chapter aims to serve as an overview of the basic technology and experimental techniques that the work presented in later chapters of this thesis expands on and develops. Section 2.1 will introduce and provide background to the main methods of generating broadband pulses of THz radiation used throughout this thesis, while Sect.
Peter Uhd Jepsen, Tobias Olaf Buchmann, Binbin Zhou, Edmund John Railton Kelleher, Martin Koch   +4 more
openaire   +2 more sources

Terahertz quasi-time-domain spectroscopy imaging

Applied Optics, 2011
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 simultaneously emitted equidistant modes of a compact diode laser allows for analysis of samples at multiple frequencies with a single measurement.
Maik, Scheller, Stefan F, Dürrschmidt, Matthias, Stecher, Martin, Koch   +3 more
openaire   +2 more sources

Polarimetric terahertz time-domain spectroscopy

SPIE Proceedings, 2012
One polarization measurement technology is proposed to apply in the basic Terahertz time domain spectroscopy (THz- TDS) using only one rotatable polarizer. The method to upgrade such a polarimetric Terahertz time-domain Spectroscopy (P-THz-TDS) was presented.
Yandong Gong, Hui Dong
openaire   +1 more source

Terahertz time-domain spectroscopy for textile identification

Applied Optics, 2013
A range of natural and artificial textiles are examined using terahertz time-domain spectroscopy. Different types of textiles are shown to have different terahertz optical properties, which may be employed for textile identification and to combat textile counterfeiting.
M, Naftaly, J F, Molloy, G V, Lanskii, K A, Kokh, Yu M, Andreev   +4 more
openaire   +2 more sources

Terahertz time-domain spectroscopy of water vapor

Optics Letters, 1989
We describe the application of a new high-brightness, terahertz-beam system to time-domain spectroscopy. By analyzing the propagation of terahertz electromagnetic pulses through water vapor, we have made what we believe are the most accurate measurements to date of the absorption cross sections of the water molecule for the nine strongest lines in the ...
M, Exter, C, Fattinger, D, Grischkowsky
openaire   +2 more sources

Terahertz time-domain spectroscopy

2007
The terahertz, or far-infrared, region of the electromagnetic spectrum is of critical importance in the spectroscopy of condensed matter systems. The electronic properties of semiconductors and metals are greatly influenced by bound states (e.g., excitons and Cooper pairs) whose energies are resonant with terahertz photons.
Martin C. Nuss, Joseph Orenstein
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Dual-Mode Terahertz Time-Domain Spectroscopy System

IEEE Transactions on Terahertz Science and Technology, 2013
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 permeability, measurements in both reflection and transmission geometries are required.
Ung, B., Li, J., Lin, H., Fischer, B., Withayachumnankul, W., Abbott, D.   +5 more
openaire   +3 more sources