Laser-Induced Fluorescence from CuCl2in a Free-Jet Expansion: High-Resolution Fourier Transform Spectra |
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| Institution: | 1. Department of Geosciences, Penn State University, University Park, PA 16802, USA;2. Department of Mineral Sciences, NHB 119, Smithsonian Institute, Washington, DC 20013-7012, USA;3. Department of Geological Sciences, University of Texas at El Paso, El Paso, TX 79968, USA;4. Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, USA;1. Department of Physics, Umeå University, 901 87 Umeå, Sweden;2. Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University in Toruń, ul. Grudziądzka 5, 87-100 Toruń, Poland |
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| Abstract: | High-resolution Fourier transform spectra of the laser-induced fluorescence of copper dichloride produced in a free-jet expansion are presented. The supersonic molecular beam produces rotational cooling and a nearly collision-free environment. Dispersed fluorescence spectra are found to be free of the continuum which restricted the data obtainable with a classical source (hot cell). The reduction in thermal emission allows the fluorescence to be recorded from the laser line (585 nm) out to 1.3 μm, revealing many new vibrational levels of CuCl2in its ground electronic state,X2Πg(3/2). |
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