THz analysis of mainstream cigarette smoke

Abstract

Continuous wave -terahertz spectroscopy by photomixing is applied to the analysis of mainstream cigarette smoke. The spectral signatures of hydrogen cyanide (HCN), carbon monoxide (CO), formaldehyde (H<sub>2</sub>CO) and water (H<sub>2</sub>O) have been observed and examined from 500 GHz to 2400 GHz, allowing direct concentration measurement from the… (More)

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