CW simulant detection by NDIR

Jim Daly; Mark McNeal; Bill Gully; Frank Swanson

doi:10.1117/12.630888

9 November 2005 CW simulant detection by NDIR

Jim Daly, Mark McNeal, Bill Gully, Frank Swanson

Proceedings Volume 5994, Chemical and Biological Sensors for Industrial and Environmental Security; 59940L (2005) https://doi.org/10.1117/12.630888
Event: Optics East 2005, 2005, Boston, MA, United States

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.

Citation Download Citation

Jim Daly, Mark McNeal, Bill Gully, and Frank Swanson "CW simulant detection by NDIR", Proc. SPIE 5994, Chemical and Biological Sensors for Industrial and Environmental Security, 59940L (9 November 2005); https://doi.org/10.1117/12.630888

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