Sensors & Electronics
Chemical Sensors
Remote Chemical Vapor Measurements (306)
Problem: Need reliable method for remote sensing of atmospheric chemical vapor concentrations
Project Activity Scope (from Technical Overview Chart): Mechanisms through Instruments
PNNL Solution:
- Adapted commercial spectrometer for enhanced infrared sensitivity
- Measured plume and background data during controlled release tests at government test site
- Developed analysis algorithms to improve the quantitative results
- Results demonstrated that the method would be valuable for many environmental, HAZMAT, and security monitoring applications
Capabilities Employed to Meet Client Needs: Spectral measurements using FTIR spectrometer in passive, semi-active, and active measurement modes; adapt FTIR optics and signal processing electronics to improve data quality (S/N ratio); develop improved data analysis algorithms (including atmospheric effects) to provide better quantitation of vapor concentrations; field test planning and performance; data analysis and reporting.
Selected Links to Related Information:
- Similar Technology Examples (Same or Different Application)
Contact: Tim Johnson
