Standoff Integrated Bioaerosol Active Hyperspectral Detection (SINBAHD): Final Report

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Authors
  1. Simard, J-R.
  2. Roy, G.
  3. Mathieu, P.
  4. Larochelle, V.
  5. McFee, J.
  6. Ho, J.
Corporate Authors
Defence R&D Canada - Valcartier, Valcartier QUE (CAN)
Abstract
Despite the signing of treaties which constrain the massive use of biological weapons, some third-world and rogue nations still threaten to deploy them. Therefore, the process of biological weapon monitoring is a major concern to the Canadian Forces and to the defence community in general. Over the later years, the military authority privileged an approach based on an array of fixed and mobile remotely controlled point detectors combined with standoff detection capabilities to provide a detailed status of the bioaerosol distribution over widely monitored areas. This report presents the final results of the SINBAHD project, a 3-year program initiated in spring 1999 to investigate the sensitivity and discrimination capabilities of an innovative standoff bioaerosol sensor. This sensor, based on the intensified range-gated spectral detection of laser-induced fluorescence, has shown sensitivity of a few living bioagent particles per litre of air (or ACPLA) for range approaching 1.5 km at night. Furthermore, based on spectral signatures measured over open-air releases, very good discrimination capabilities were obtained between Bacillus subtilis var globiggi (BG), Erwinia herbicola (EH) and Coleoptera (beetle-like insect that may be present in the monitored atmospheric cell. These results agree well with a given performance model using Raman signals from atmospheric nitrogen as a calibration tool. TRUNCATED

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Keywords
Biological clouds;Laser induced fluorescence;Chemical warfare agents;Lidar;Standoff;Intensification;Atmospheric sensing
Report Number
DRDC-VALCARTIER-TR-2002-125 — Technical Report
Date of publication
24 Feb 2003
Number of Pages
120
DSTKIM No
CA022041
CANDIS No
518849
Format(s):
Hardcopy;Document Image stored on Optical Disk

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