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Type: Conference paper
Title: Removal of water-vapor-induced fluctuations in T-ray signals: A preliminary study
Author: Withayachumnankul, W.
Fischer, B.
Mickan, S.
Abbott, D.
Citation: Noise and Fluctuations in Photonics, Quantum Optics, and Communications, May, 2007
Publisher: International Society for Optical Engineering
Publisher Place: USA
Issue Date: 2007
Series/Report no.: Proceedings of the SPIE: vol 6603
ISBN: 0819467405
ISSN: 0277-786X
Conference Name: Noise and Fluctuations in Photonics, Quantum Optics, and Communications (2007 : Florence, Italy)
Editor: Cohen, L.
Abstract: In an open-air setting, one source of fluctuations in a T-ray (THz) pulsed signal is attributed to water vapor. Fluctuations of this type are generally undesired, and so the water vapor is commonly removed in a closed chamber. Yet, in some applications a closed chamber is not feasible. This paper presents a preliminary study on a computational means to address the problem. Initially, the complex frequency response of water vapor is modeled from spectral line data. Using a deconvolution technique, together with fine tuning of the line strength at each frequency, the response is partially removed from a measured T-ray pulse, with minimal signal distortion.
Description: ©2007 COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
DOI: 10.1117/12.724616
Appears in Collections:Aurora harvest 6
Chemistry and Physics publications

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