Use of gas imaging as a means of locating leaks and tracking gas clouds
Conference
·
OSTI ID:5889329
A new concept for the detection and tracking of toxic or flammable gases resulting from accidental spills or leaks is presented. The Backscatter/Absorption Gas Imaging (BAGI) technique is based on the optical radiation augmentation of the field of view of an imaging device by laser radiation corresponding to an absorption line of the gas species to be detected. The laser power requirements are greatly reduced by synchronizing the unexpanded laser beam with the raster-like, scanning field of view of a flying-spot imaging system. Several different configurations of possible BAGI systems are presented. In addition, a list of detectability limits for toxic and flammable materials that absorb carbon dioxide (CO/sub 2/) laser radiation is included. The current status and future plans of the NAVSEA BAGI development program are explained.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA); Naval Sea Systems Command, Washington, DC (USA). Office of Salvage and Diving
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5889329
- Report Number(s):
- UCRL-93783; CONF-860447-4; ON: DE86010786
- Country of Publication:
- United States
- Language:
- English
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