1 September 1995 Optical systems for security engineering
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Abstract
An overview of the main optical methods used today in the detection of fire is presented, including optical smoke detection by light scattering and obscuration, as well as infrared flame detection. Further, intrusion detection by detection of emitted infrared radiation of human bodies is discussed.
Peter Ryser, "Optical systems for security engineering," Optical Engineering 34(9), (1 September 1995). https://doi.org/10.1117/12.200619
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