OPTICAL CONSTANTS OF $C_{4}N_{2}$ - AN APPLICATION TO TITAN'S ATMOSPHERE
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Date
1987
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Ohio State University
Abstract
Condensed dicyanoacetylene $(C_{4}N_{2})$ has recently been identified as a constituent of Titan's $atmosphere.^{1}$ In order to obtain the abundance of a species, it is necessary to obtain its complex refractive indices. Infrared spectra of crystalline $C_{4}N_{2}$ were obtained for several film thicknesses. The extiction coefficient, $\alpha$, and therefore the imaginary refractive index, $k=\alpha/(4\pi**)$, were calculated as a function of wavenumber, $*$. A Kramers-Kronig analysis was performed to determine the real part of the index of refraction, n, for the entire spectral range. The results on the optical constants and the calculated abundances of condensed $C_{4}N_{2}$ for Titan's atmosphere will be presented.
Description
$^{1}$ M.A. Perera-Jarmer, R.K. Khanna, R.E. Samuelson, Bull. Am. Astron. Soc., Vol. 18, No. 3 (1986).
Author Institution: University of Maryland, Department of Chemistry and Biochemistry
Author Institution: University of Maryland, Department of Chemistry and Biochemistry