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Proceedings Paper

LIBS fiber optic sensor for subsurface heavy metals detection
Author(s): Steven J. Saggese; Roger A. Greenwell
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Paper Abstract

Laser induced breakdown spectroscopy (LIBS) is being used to detect heavy metal concentrations in soils. The overall goal of this effort is to develop a field deployable system that will conduct heavy metal subsurface mapping of the vadose zone using a cone penetrometer deployed fiber optic sensor. This paper presents results on the LIBS analysis of different spiked soil samples with the same chemical matrix, NIST soil samples with variable matrices, a comparison of the performance of the LIBS system with free space delivery of the laser beam versus the performance using an optical fiber probe, and the effect of several system parameters on performance.

Paper Details

Date Published: 10 December 1996
PDF: 11 pages
Proc. SPIE 2836, Chemical, Biochemical, and Environmental Fiber Sensors VIII, (10 December 1996); doi: 10.1117/12.260593
Show Author Affiliations
Steven J. Saggese, Science & Engineering Associates, Inc. (United States)
Roger A. Greenwell, Science & Engineering Associates, Inc. (United States)


Published in SPIE Proceedings Vol. 2836:
Chemical, Biochemical, and Environmental Fiber Sensors VIII
Robert A. Lieberman, Editor(s)

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