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Cited by 68Terahertz technology and applicationsSuperconducting and THz Device TechnologyLaser-Matter Interactions and Applications

Metal-wire terahertz time-domain spectroscopy

Walther, Markus, Freeman, Mark R., Hegmann, Frank A.·2005·Applied Physics Letters
DOI 10.1063/1.2158025
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Abstract

Terahertz (THz) pulses propagating on a metal-wire waveguide are used to perform terahertz time-domain spectroscopy of lactose powder dispersed on top of the wire. The THz pulses are generated by a photoconductive switch at one end of the metal wire and are detected at the other end by electro-optic sampling in a ZnTe crystal that can be moved parallel to the axis of the metal wire. A large enhancement in the peak amplitude of the THz signal is observed by contacting the metal wire to one of the electrodes of the photoconductive switch. The propagation characteristics of the THz pulse along the metal wire and near its end are studied. Potential applications of metal-wire terahertz time-domain spectroscopy are discussed.

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Crossref · 10.1063/1.2158025

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3 of 3 references verified0 citation errors · 0 not checkable

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  • The peaks at 0.53 THz, 1.17 THz, and 1.37 THz are characteristic absorption peaks of α-lactose monohydrate.

    “The peaks at 0.53 THz [47, 48], 1.17 THz [49, 50] and 1.37 THz [51, 52] are the characteristic absorption peaks of α-lactose monohydrate [10, 49, 53].”

    From THz-TDS Time-Trace Analysis for the Extraction of Material and Metamaterial Parameters (2019) · cites this paper as [47]

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Authors
Walther, M., Freeman, M. R., & Hegmann, F. A.
Affiliations
University of Alberta (CA)
ORCID
Venue
Applied Physics Letters
Publisher
AIP Publishing
Published
2005-12-21
Volume
87
Issue
26
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
DOI
10.1063/1.2158025
OpenAlex
W2004614720
Cited by
68
References
3
Citations by year
2025: 2 · 2024: 1 · 2022: 2 · 2021: 2 · 2018: 3 · 2016: 2 · 2015: 2 · 2014: 2 · 2013: 3 · 2012: 6
FWCI
5.38
Type
journal article
Language
en
Open access
closed
Locations
  • Applied Physics Letters (publishedVersion)
  • NPARC (submittedVersion)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Terahertz technology and applications
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Superconducting and THz Device Technology
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
Keywords
terahertz time-domain spectroscopy, terahertz pulse propagation, photoconductive switches, electro-optic sampling, ZnTe crystal, lactose powder, dielectric characterization

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