WILDCAT sensor

David B. Cohn; William S. Griffin; Louis F. Klaras; Eric J. Griffin; Hans C. Marciniak; Jay A. Fox; Cynthia R. Swim

doi:10.1117/12.394065

28 July 2000 WILDCAT sensor

David B. Cohn, William S. Griffin, Louis F. Klaras, Eric J. Griffin, Hans C. Marciniak, Jay A. Fox, Cynthia R. Swim

Proceedings Volume 4036, Chemical and Biological Sensing; (2000) https://doi.org/10.1117/12.394065
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

The WILDCAT sensor is being developed to provide long range, laser standoff detection of chemical agent vapor and aerosol clouds by DIAL and range-resolved cloud mapping by DISC. The sensor is composed of two major subsections, including a telescope/gimbal assembly and a laser/beam diagnostics section that are held in alignment with a surrounding truss system and electrically-actuated, closed-loop mirrors. The entire assembly is integrated into a transportable, 30 ft long container that is field operable. The laser is a pulsed CO₂ type with output energies of 1 J at a repetition rate of 100 Hz and it uses an agile grating to access approximately 60 lines over the 9.2 - 10.7 micrometers band, also at a 100 Hz rate. The telescope/gimbal subsection is composed of a 60 cm dia telescope mounted to a yoke gimbal which provides for full hemispherical scans. The sensor includes a data acquisition system composed of 12 bit, 30 MHz analog-digital converters and a digital signal processor that maintains a running average data stream for each range bin. Algorithms allow for real-time data processing and radar displays of chemical concentration.

Citation Download Citation

David B. Cohn, William S. Griffin, Louis F. Klaras, Eric J. Griffin, Hans C. Marciniak, Jay A. Fox, and Cynthia R. Swim "WILDCAT sensor", Proc. SPIE 4036, Chemical and Biological Sensing, (28 July 2000); https://doi.org/10.1117/12.394065

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