Title :
Detection of hydrogen cyanide in the smoke emitted from the combustion of nylon fabric with a continuous-wave THz spectrometer
Author :
Shimizu, Naofumi ; Kado, Yuichi
Author_Institution :
NTT Microsyst. Integration Labs., Nippon Telegraph & Telephone Corp., Atsugi, Japan
Abstract :
The smoke emitted from the combustion of nylon fabric is studied. Transmission loss of infrared light in the smoke was more than 50 dB larger than that of THz waves. THz absorption spectra showed the existence of hydrogen cyanide in the smoke. These results prove the advantage of THz waves over infrared light for remote toxic gas sensing at disaster sites.
Keywords :
combustion; fabrics; gas sensors; hydrogen compounds; polymers; smoke; spectrometers; terahertz wave spectra; HCN; THz absorption spectra; THz waves; continuous-wave THz spectrometer; disaster site; hydrogen cyanide detection; infrared light; nylon fabric combustion; remote toxic gas sensing; smoke; transmission loss; Absorption; Combustion; Fabrics; Frequency measurement; Optical sensors; Propagation losses;
Conference_Titel :
Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4244-6655-9
DOI :
10.1109/ICIMW.2010.5612525
