Mission-Adaptable Chemical Sensors (MACS)
Abstract
(U) At present, chemical sensors are unable to combine sensitivity (parts-per-trillion (ppt)) and selectivity (unambiguous identification of molecular species) with low false alarm rate. This effort has investigated the nature of the atmospheric background “clutter” at the parts per billion (ppb) level and below to enable the identification of target signatures at highest sensitivity. The program focused on reduction of size and simplicity of function to achieve portability and simultaneous detection of a large number (hundreds) of species. The result of the program is a portable chemical sensor that achieved all the above goals. It is unique in that it achieves the highest sensitivity (ppt) with highest selectivity (virtually no false alarms in numerous tests of sample mixed gases).
Document Details
- Document Type
- Accomplishment
- Publication Date
- Oct 01, 2011
- Source ID
- 7884d5ae112277ec8235949f5a86e9a2