Abstract
Rapid detection and precise analysis of explosives in the environment is playing an increasingly important role in the modern world:1 for example, in criminal investigations of bombings, in detection of explosive materials concealed in mail or in airline baggage, in detection of soils and/or groundwater polluted by explosive materials. Spectroscopic methods can provide high selectivity and sensitivity for explosive detection.2 Because of their low vapor pressure,3 very sensitive detection is needed. Cavity Ringdown Laser Spectroscopy (CRDLS) is the most suitable technique for this purpose. The basic principles of CRDLS are presented in Reference 4.
© 2000 Optical Society of America
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