Mobile remote sensing FT-IR for plume detection

Winthrop Wadsworth; David J. Williams

doi:10.1117/12.682131

1 September 2006 Mobile remote sensing FT-IR for plume detection

Proceedings Volume 6302, Imaging Spectrometry XI; 630201 (2006) https://doi.org/10.1117/12.682131
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

A highly mobile passive remote sensing FT-IR spectrometer has been designed and built. It is based on the patented Turbo FT interferometer from D&P Instruments, and was developed for the U.S. EPA in Research Triangle Park, NC. The purpose of the work is to remotely sense, detect, and identify gaseous emissions in the field. The sensor can operate from AC power or on-board battery power. The Turbo FT is a rotary high speed Fourier Transform Infra-Red (FT-IR) spectrometer capable of operating in the rugged environments of the field. This sensor was built for 4 cm-1 resolution and 25 scans per second with a dual element MWIR/LWIR (2-16 micrometer) single pixel detector. An auto-calibrating blackbody accessory was built in, and automated real-time chemical detection software was developed. This feature allows quick calibration and facilitates the remote detection of target gas clouds. This paper will discuss the system specifications, preliminary sensor performance, and results from initial testing.

Citation Download Citation

Winthrop Wadsworth and David J. Williams "Mobile remote sensing FT-IR for plume detection", Proc. SPIE 6302, Imaging Spectrometry XI, 630201 (1 September 2006); https://doi.org/10.1117/12.682131

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