Northrop Grumman Systems Corporation

Paul L Thee

Richard A Rosenthal

Mark E Rogers

Paul D Biernacki

A system and a method for detecting the existence of a target substance, the system includes a laser with a broad spectral output and a detector for detecting an absorption spectrum of a laser beam from the laser. The method includes emitting a laser beam into the atmosphere using a laser light with a broad spectral output; measuring the absorption spectrum of said laser beam; comparing the absorption spectrum to known absorption spectrums for target substances using a detector; and detecting the existence of a target substance.

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Haymarket, VA, United States of America

Paul L Thee