A multi-color cavity ringdown based spectrometer is housed in a light tight enclosure to detect the presence of trace quantities of gas phase molecules emanating from explosives, drugs, or hazardous materials being transported through the enclosure or compounds contained in a patient's breath. A method is also disclosed for detecting gas phase molecules emanating from explosives, drugs, hazardous materials, or a patient's breath.
US Patent 7,768,647 B2
Arkansas State University - Jonesboro, AR
Scholarly Commons Citation
Reeve, S., & Allen, S. (2010). Multi-Color Cavity Ringdown Based Detection Method and Apparatus. , (). Retrieved from http://commons.erau.edu/db-mechanical-engineering/14