CAVITY RINGDOWN LASER ABSORPTION SPECTROSCOPY OF METAL CLUSTERS

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Title: CAVITY RINGDOWN LASER ABSORPTION SPECTROSCOPY OF METAL CLUSTERS
Creators: Scherer, J. J.; O'Keefe, A.; Saykally, R. J.
Issue Date: 1993
Publisher: Ohio State University
Abstract: The cavity ringdown $method^{1}$ for measuring very small absorptions in a gaseous sample has been adapted for measuring rovibronic spectra of jet cooled metal $clusters^{2}$ and metal-containing molecules. Results will be presented for a variety of systems, including copper and aluminum-containing clusters. Coupled to our ringdown spectrometer is a time-of-flight mass spectrometer which we have constructed to both maximize source designs and to implement in resonant ionization and depletion studies. Our experiments with the ringdown apparatus have yielded results which clearly outline the advantages of direct absorption over other competing and complimentary methods.
Description: $^{1}$. A. O'Keefe and D.A. Deacon. Rev. Sci. Instrum., 59, 2544 (1988). $^{2}$. A. O'Keefe, J.J. Scherer, A.L. Cooksy, R. Sheeks, J. Heath, and R.J. Saykally, Chem. Phys. Lett. 172, 3, 4, 214 (1990).
Author Institution: Department of Chemistry., University of California.; Department of Chemistry., Deacon Research
URI: http://hdl.handle.net/1811/18623
Other Identifiers: 1993-TD-4
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