Abstract
We describe an experimental and semi-quantitative theoretical investigation of the characteristics of two-photon-induced stimulated emission related to diagnostic applications. The laser power dependence, pressure dependence, and the spectral shape of the stimulated emission signal in CO are discussed and compared with those for laser-induced fluorescence. We also discuss decreases in the laser-induced fluorescence signal caused by the stimulated emission process, and propose a method for providing increased spatial resolution in measurements made using stimulated emission detection.
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This work was supported by the Swedish National Board for Technical Developments, the Swedish Energy Administration, and the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences