Refractive Indices and Densities of H2O and CO(2) Films Condensed on Cryogenic Surfaces.
Using an interference technique, the refractive index of both H(2)O and CO(2) films was determined at visible and near ir wavelengths as the gases were being condensed on a liquid nitrogen cooled surface. For these same films, the density was also measured. The results for the refractive index at a wavelength of 0.589 microm was 1.26 +/- 0.01 for H(2)O films and 1.43 +/- 0.01 for CO(2) films. The density of the H(2)O films was 0.81 +/- 0.02 g/cm(3), and for CO(2) films it was 1.67 +/- 0.03 g/cm(3).
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