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Type: Conference paper
Title: Gas recognition with terahertz time-domain spectroscopy and spectral catalog: a preliminary study
Author: Lin, H.
Withayachumnankul, W.
Fischer, B.
Mickan, S.
Abbott, D.
Citation: Proceedings of Photonics Asia 2007: Terahertz Photonics / Cunlin Zhang and Xi-Cheng Zhang (eds.):pp.3-9
Publisher: SPIE
Publisher Place: USA
Issue Date: 2007
Series/Report no.: Proceedings of SPIE ; 6840
ISBN: 9780819470157
ISSN: 0277-786X
Conference Name: Photonics Asia 2007 (2007 : Beijing, China)
Editor: Zhang, C.
Zang, X.C.
Abstract: The ability to detect and recognise a variety of gases under certain environmental conditions has significant potential impact in many areas: from hazardous gas detection in the industrial domain to physical sciences in academia. Gas sensing has long received attention with microwave and infrared spectroscopy. With many molecular resonances occurring in the THz (T-ray) range leading to simple, unique spectral features, THz time-domain spectroscopy (TDS) shows promise as a tool for gas detection and recognition. This paper presents a preliminary study on real-time gas recognition with THz-TDS. In particular, a simple method is used that involves extracting line positions from gas species without a reference pulse and classifying them by means of the minimum Euclidean distance using the Submillimeter, Millimeter, and Microwave Spectral Line Catalog.
Description: Copyright © 2007 SPIE - The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Provenance: Published online in 2008.
DOI: 10.1117/12.760558
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Appears in Collections:Aurora harvest 6
Electrical and Electronic Engineering publications

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