Stimulated Raman Studies of CO2-Laser-Excited SF6
Advances in high-resolution stimulated Raman spectroscopy (SRS) have provided a means for performing gas phase Raman studies with unprecedented spectral resolution (~.002 cm−1) and high sensitivity [1–3]. Studies in static cells at low (≤4 Torr) pressures have revealed a wealth of spectral detail inaccessible tó conventional Raman techniques. Investigations in flames  and supersonic free-expansion jets  have illustrated the spatial resolving power offered by SRS. In this paper we report a preliminary investigation into the use of SRS for high-resolution studies of transient species. Specifically, we are using SF6 molecules excited by a CO2 laser as a prototypical system for examining These capabilities.
KeywordsGain Spectrum Stark Shift Transient Species Raman Technique Optical Science
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