Chamber LIDAR measurements of aerosolized biological simulants

David M. Brown; Evan P. Thrush; Michael E. Thomas; Karen M. Siegrist; Kevin Baldwin; Jason Quizon; Christopher C. Carter

doi:10.1117/12.818947

8 May 2009 Chamber LIDAR measurements of aerosolized biological simulants

David M. Brown, Evan P. Thrush, Michael E. Thomas, Karen M. Siegrist, Kevin Baldwin, Jason Quizon, Christopher C. Carter

Author Affiliations +

Proceedings Volume 7304, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing X; 73040A (2009) https://doi.org/10.1117/12.818947
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

A chamber aerosol LIDAR is being developed to perform well-controlled tests of optical scattering characteristics of biological aerosols, including Bacillus atrophaeus (BG) and Bacillus thuringiensis (BT), for validation of optical scattering models. The 1.064 μm, sub-nanosecond pulse LIDAR allows sub-meter measurement resolution of particle depolarization ratio or backscattering cross-section at a 1 kHz repetition rate. Automated data acquisition provides the capability for real-time analysis or recording. Tests administered within the refereed 1 cubic meter chamber can provide high quality near-field backscatter measurements devoid of interference from entrance and exit window reflections. Initial chamber measurements of BG depolarization ratio are presented.

Citation Download Citation

David M. Brown, Evan P. Thrush, Michael E. Thomas, Karen M. Siegrist, Kevin Baldwin, Jason Quizon, and Christopher C. Carter "Chamber LIDAR measurements of aerosolized biological simulants", Proc. SPIE 7304, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing X, 73040A (8 May 2009); https://doi.org/10.1117/12.818947

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