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Proceedings Paper

The limit of spectral resolution in THz time-domain spectroscopy
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Paper Abstract

This paper describes a study conducted into the limit on spectral resolution due to the dynamic range of a T-ray spectrometer. The pulsed nature of terahertz time-domain spectroscopy (THz-TDS) sets a fundamental limit on its spectral resolution. The spectral resolution of THz-TDS can be improved by increasing the duration of the temporal measurement, but is limited by the dynamic range of the system in the time-domain. This paper presents calculations and experimental results relating the temporal dynamic range of a THz-TDS system to its spectral resolution. We discuss three typical pulsed terahertz sources in terms of their dynamic range and hence achievable spectral resolution.

Paper Details

Date Published: 25 March 2004
PDF: 11 pages
Proc. SPIE 5277, Photonics: Design, Technology, and Packaging, (25 March 2004); doi: 10.1117/12.530386
Show Author Affiliations
Samuel P. Mickan, The Univ. of Adelaide (Australia)
Jingzhou Xu, Rensselaer Polytechnic Institute (United States)
Jesper Munch, The Univ. of Adelaide (Australia)
X.-C. Zhang, Rensselaer Polytechnic Institute (United States)
Derek Abbott, The Univ. of Adelaide (Australia)


Published in SPIE Proceedings Vol. 5277:
Photonics: Design, Technology, and Packaging
Chennupati Jagadish; Kent D. Choquette; Benjamin J. Eggleton; Brett D. Nener; Keith A. Nugent, Editor(s)

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