GENERATION OF HIGH RESOLUTION IR RADIATION FOR FREE RADICAL SPECTROSCOPY
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Date
2006
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Ohio State University
Abstract
Some radicals, e.g. peroxy radicals, exhibit potentially well resolved spectral structure in the near IR electronic transition. Almost all molecules, including reactive radicals have well resolved rovibronic spectra in the mid-IR. To probe these two domains we have built up a high resolution, high energy, tunable source based on a CW Ti:Sapphire laser and an amplifier% }$ Symposium on Molecular Spectroscopy (2005), talk TJ10% }. This laser is used as a primary source for Raman shifting (SRS) and for Difference-Frequency Generation (DFG). We will present preliminary results showing the capabilities of source, and results from a CRDS spectrometer which includes a discharge environment inside a supersonic slit-jet expansion.
Description
Author Institution: Department of Chemistry, Ohio State University, 120 W 18th Ave, Columbus OH, 43210