STUDY OF THE INTENSE RED EMISSION ACCOMPANYING THE REACTION OF METASTABLE OXYGEN WITH COPPER.

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Title: STUDY OF THE INTENSE RED EMISSION ACCOMPANYING THE REACTION OF METASTABLE OXYGEN WITH COPPER.
Creators: Bacis, R.; Bouvier, A. J.; Churassy, S.; Crozet, P.; Erba, B.; Lamrini, M.; Ross, A. J.; Koffend, J. Brooke
Issue Date: 1992
Publisher: Ohio State University
Abstract: The reaction between hot metallic copper and metastable oxygen, $O_{2}^{1}\Delta_{g}$, (produced chemically via: $H_{2}$$O_{2}$(1) + $Cl_{2}$(g) + 2$NaOH_{(aq)}$ $\rightarrow$ 2$NaCl_{(nq)}$ + $O_{2}^{1}\Delta_{g (g)} + 2H_{2}O_{(1)}$) gives rise to a strong red $chemiluminescene_{1}$. This system has aroused considered interest as a possible chemically pumped laser in the red or near infrared. Several suggestions have been made as to the identity of the emitting $species, ^{2,3,4}$ but the most reasonable of these would seem to be $CuCl_{2}$. Assumed to be formed by the reaction of Cu with residual traces of chlorine gas. The chemiluminescene has been recorded on a Fourier transform spectrometer at low resolution, and comparison is made between this spectrum and a theoretical spectrum of the $^{2}\Pi_{u} \rightarrow ^{2}\Pi_{g}$ system of $CuCl_{2}$, drawing attention to the transfer of energy from $O_{2}^{1}\Delta_{g}$ to the electronic states of $CuCl_{2}$. The possibility of achieving an appreciable population inversion via this reaction will be discussed.
Description: 1. S. Yoshida et al, Applied Physics Letters 54 2400 (1989) 2. Q. Zhuang et al, Eighth International Symposium on Gas Flow and Chemical Lasers SPIE 1397 157 (1990) 3. R. Bacis et al, Europhysics Letters 12 569 (1990). 4. T. Tokuda et al, Chemical Physics Letters 174 385 (1990)
Author Institution: Laboratoire de Spectrom\'{e}trie Ionique et Mol\'{e}culaire, Universit\'{e} Lyon I; Laboratoire de Spectrom\'{e}trie Ionique et Mol\'{e}culaire, Aerospace Corporation
URI: http://hdl.handle.net/1811/12841
Other Identifiers: 1992-TB-04
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