Spectroscopic analysis of fluorescent aerosols with a compact chamber

Bernard Déry; Jean-Robert Simard; Réal Vallée

doi:10.1117/12.758548

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25 February 2008 Spectroscopic analysis of fluorescent aerosols with a compact chamber

Bernard Déry, Jean-Robert Simard, Réal Vallée

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Proceedings Volume 6878, Atmospheric Propagation of Electromagnetic Waves II; 68780F (2008) https://doi.org/10.1117/12.758548
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

A compact, lab-sized dissemination chamber is designed to characterize the fluorescence of aerosols. The chamber, designed according to short-range lidar principles, uses light-induced fluorescence (LIF) with a 355 nm pulsed source. Aerosols concentration inside the chamber can reach hundreds of thousands of ppl. Background noise and irradiance are very low and will allow accurate measurements of spectral signatures. The chamber will serve to study the correlation with spectroscopic data obtained using a long-range lidar system owned by Defence Research and Development Canada (DRDC). Pollens, bacteria, spores, dusts and other atmospheric aerosols will be studied under various environmental conditions. The chamber will be used to create trustworthy libraries for the remote sensing of bio-aerosols.

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Bernard Déry, Jean-Robert Simard, and Réal Vallée "Spectroscopic analysis of fluorescent aerosols with a compact chamber", Proc. SPIE 6878, Atmospheric Propagation of Electromagnetic Waves II, 68780F (25 February 2008); https://doi.org/10.1117/12.758548

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