TUNABLE FAR INFRARED LASER SPECTROSCOPY OF ULTRACOLD FREE RADICALS

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Title: TUNABLE FAR INFRARED LASER SPECTROSCOPY OF ULTRACOLD FREE RADICALS
Creators: Cohen, R. C.; Schmuttenmaer, C. A.; Busarow, K. L.; Lee, Y. T.; Saykally, R. J.
Issue Date: 1990
Publisher: Ohio State University
Abstract: We report a new high resolution spectroscopic technique designed for the study of short lived free radicals and clusters containing free radicals. Excimer laser photolysis of a suitable precursor during the initial stages of a planar supersonic expansion is used to generate ultracold free radicals, which are subsequently probed by a tunable far infrared laser. In initial experiments we have detected the $11_{1}\leftarrow 0_{00}$ transition of $-NH_{2}$ with a S/N in excess of 1000. Prospects for 2-3 orders of magnitude improvement in this figure will be presented.
Description: $^{1}$ R.C. Cohen, K.L. Busarow, C.A. Schmuttenmaer. Y.T. Lee, and R.J. Saykally, Chem. Phys. Lett. 164,321 (1989).
Author Institution: Department of Chemistry, University of California and Materials and Chemical Sciences Division
URI: http://hdl.handle.net/1811/18056
Other Identifiers: 1990-FA-7
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