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Proceedings Paper

Application of a zirconium fluoride fiber optic diffuse reflectance probe for the remote identification of solids
Author(s): Nathan C. Chaffin; Ian R. Lewis; Peter R. Griffiths
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Paper Abstract

A novel fiber optic-based probe for the identification of pure and contaminated solids has been developed. Ultimately, this probe is to be used to characterize the make-up and degree of contamination of hazardous waste sites as a preliminary step in the clean-up process. The transmission range of zirconium fluoride fibers allows for the measurement of fundamental stretching frequencies in the mid-infrared (MIR) region as well as overtone and combination bands in the near-infrared (NIR) region. This provides a substantial increase of the measurable concentration range of this MIR/NIR system with respect to systems which can measure only MIR or NIR information. The spectra of samples measured using this fiber optic system is compared to spectra measured in a standard in-compartment diffuse reflectance accessory. The spectra are evaluated in terms of signal-to-noise, measurement time, and detection limits.

Paper Details

Date Published: 20 April 1995
PDF: 1 pages
Proc. SPIE 2574, Pacific Northwest Fiber Optic Sensor Workshop, (20 April 1995); doi: 10.1117/12.207748
Show Author Affiliations
Nathan C. Chaffin, Univ. of Idaho (United States)
Ian R. Lewis, Univ. of Idaho (United States)
Peter R. Griffiths, Univ. of Idaho (United States)

Published in SPIE Proceedings Vol. 2574:
Pacific Northwest Fiber Optic Sensor Workshop
Eric Udd, Editor(s)

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