We report comparison studies of two different sensors, the gated intensified charge-coupled device and the multianode photo multiplier tube detector for standoff detection of bio-aerosol. The ultraviolet laser-induced fluorescence technique is considered. Ultraviolet laser-induced fluorescence signals are evaluated under different bacteria aerosol concentrations, ranges, atmospheric conditions, and solar backgrounds. The signal-to-noise ratio is calculated for both the detectors for daylight and twilight solar conditions. The detectable concentration and range for both of the detectors is evaluated. Standoff ultraviolet laser-induced light detection and ranging is applicable in homeland security for early warning of biological warfare agents.
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Kumar et al. (2013) studied this question.
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