The Northwest Infrared (NWIR) gas-phase spectral database of industrial and environmental chemicals: recent updates

Carolyn S. Brauer; Timothy J. Johnson; Thomas A. Blake; Steven W. Sharpe; Robert L. Sams; Russell G. Tonkyn

doi:10.1117/12.2053591

22 May 2014 The Northwest Infrared (NWIR) gas-phase spectral database of industrial and environmental chemicals: recent updates

Carolyn S. Brauer, Timothy J. Johnson, Thomas A. Blake, Steven W. Sharpe, Robert L. Sams, Russell G. Tonkyn

Author Affiliations +

Proceedings Volume 9106, Advanced Environmental, Chemical, and Biological Sensing Technologies XI; 910604 (2014) https://doi.org/10.1117/12.2053591
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

With continuing improvements in both standoff- and point-sensing techniques, there is an ongoing need for high-quality infrared spectral databases. The Northwest Infrared Database (NWIR) contains quantitative, gas-phase infrared spectra of nearly 500 pure chemical species that can be used for a variety of applications such as atmospheric monitoring, biomass burning studies, etc. The data, recorded at 0.1 cm^-1 resolution, are pressure broadened to one atmosphere (N₂). Each spectrum is a composite composed of multiple individual measurements. Recent updates to the database include over 60 molecules that are known or suspected biomass-burning effluents. Examples from this set of measurements will be presented and experimental details will be discussed in the context of the utility of NWIR for environmental applications.

Citation Download Citation

Carolyn S. Brauer, Timothy J. Johnson, Thomas A. Blake, Steven W. Sharpe, Robert L. Sams, and Russell G. Tonkyn "The Northwest Infrared (NWIR) gas-phase spectral database of industrial and environmental chemicals: recent updates", Proc. SPIE 9106, Advanced Environmental, Chemical, and Biological Sensing Technologies XI, 910604 (22 May 2014); https://doi.org/10.1117/12.2053591

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