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Application of Multivariate Analysis to Gas-Phase Spectroscopy at 245 GHz

Neumaier, Philipp F.-X. and Schmalz, K. and Borngräber, J. and Hübers, Heinz-Wilhelm (2014) Application of Multivariate Analysis to Gas-Phase Spectroscopy at 245 GHz. In: 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) 2014. 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) 2014, 14.-19. Sept. 2014, Tucson (AZ), USA.

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Abstract

This paper describes the application of multivariate analysis (MVA) techniques to terahertz (THz) gas-phase absorption spectra at around 245 GHz. The THz spectra of gaseous volatile organic compounds (VOCs) and their complex mixtures at pressures between 10 and 5000 Pa were acquired with a vector network analyzer (VNA) and an absorption cell. With the subsequent MVA our experiment shows the feasibility of qualitative and quantitative substance identification. Since the tested VOCs are biomarkers and/or can be found on the EPA (US Environmental Protection Agency) list of harmful substances there is a potential for application in medicine and security. In particular because our measurements show that there is no need of measuring in the Doppler limit.

Item URL in elib:https://elib.dlr.de/94021/
Document Type:Conference or Workshop Item (Speech)
Title:Application of Multivariate Analysis to Gas-Phase Spectroscopy at 245 GHz
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Neumaier, Philipp F.-X.philipp.neumaier (at) dlr.deUNSPECIFIED
Schmalz, K.IHP Frankfurt, OderUNSPECIFIED
Borngräber, J.IHP Frankfurt, OderUNSPECIFIED
Hübers, Heinz-Wilhelmheinz-wilhelm.huebers (at) dlr.deUNSPECIFIED
Date:2014
Journal or Publication Title:38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) 2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:245 GHz, Gas, Spectroscopy, VNA, Chemometrics, Multivariate Analysis, Volatile Organic Compounds, VOCs, EPA, Biomarker, Security, Medicine, PCA, PCR, PLS, SIMCA
Event Title:38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) 2014
Event Location:Tucson (AZ), USA
Event Type:international Conference
Event Dates:14.-19. Sept. 2014
Organizer:University of Arizona, Tucson, AZ
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Optimode (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Experimentelle Planetenphysik
Deposited By: Neumaier, Philipp
Deposited On:06 Jan 2015 10:31
Last Modified:04 Sep 2015 07:50

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