9 November 2005 CW simulant detection by NDIR
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Abstract
A compact, low-cost, multi-wavelength NDIR sensor was designed to measure G-type CW agents at ppm-levels. This 4-color sensor can distinguish between the different agents (sarin, soman, tabun) and is more sensitive than a single wavelength sensor. The design of the sensor and test results with simulants R-12 (dichlorodifluoromethane) and sulfur hexafluoride is presented. These test results support a lower detection limit of 3 ppmv for a 1 sec integration time. Modifications of the sensor design which will enable us to achieve <1 ppmv sensitivity are discussed.
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Jim Daly, Jim Daly, Mark McNeal, Mark McNeal, Bill Gully, Bill Gully, Frank Swanson, Frank Swanson, } "CW simulant detection by NDIR", Proc. SPIE 5994, Chemical and Biological Sensors for Industrial and Environmental Security, 59940L (9 November 2005); doi: 10.1117/12.630888; https://doi.org/10.1117/12.630888
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