Laser-Based Detection of Trace Level Contaminants Email Page
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Performer:  Sandia National Laboratories (SNL) Location:  Livermore, California
Project Duration:  02/01/2009 – 09/30/2014 Award Number:  FWP-10-014451
Technology Area:  Plant Optimization Technologies Total Award Value:  $350,000
Key Technology:  Sensors and Controls DOE Share:  $350,000
Performer Share:  $0

Dual-etalon, frequency-comb cavity ring-down<br/>spectrometer: a broad-bandwidth laser beam is<br/>directed through two etalon cavities, and the<br/>combined ring-down signals are collected on a single<br/>detector, yielding a high-resolution absorption<br/>spectrum spanning the bandwidth of the laser pulse.
Dual-etalon, frequency-comb cavity ring-down
spectrometer: a broad-bandwidth laser beam is
directed through two etalon cavities, and the
combined ring-down signals are collected on a single
detector, yielding a high-resolution absorption
spectrum spanning the bandwidth of the laser pulse.

Project Description

The primary goal of this research program is the development of an instrument for high-sensitivity, real-time detection of elemental selenium (SeO) and selenium dioxide (SeO2). This instrument will employ laser-induced fluorescence (LIF) detection schemes selective for the species of interest, thereby enabling in situ monitoring of selenium compounds in the flue gas.

Project Benefits

This project is developing instrumentation for high-sensitivity, simultaneous real-time detection of multiple trace-level components of fossil fuel combustion. These advancements have the potential for greater emissions control with advanced sensors that can operate with high-sensitivity, specificity, and a fast response time. Ultimately, by allowing accurate and rapid measurement of the combustion flue gases of a boiler, this technology could help lower operating costs through better control of power plant operation.

Presentations, Papers, and Publications

Contact Information

Federal Project Manager Steven Seachman:
Technology Manager Robert Romanosky:
Principal Investigator Scott Bisson: