7 December 1992 Polarized waveguide Raman spectroscopy of the thorium phosphate xerogel thin films
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Abstract
Due to the difficulties in geometrical arrangement, up to now the polarization arrangement for waveguide Raman spectroscopy (WRS) was limited to only a few simple configurations. In this report, we present the experiments in extending polarization configurations for WRS. The resulted polarized WRS spectra of thorium phosphate xerogel thin films will be presented. In the region of Raman shift from 850 to 1200 cm-1 ,two components with different polarization behavior exist. Based on the symmetry arguments, these components are then identified to the different vibration modes of P043 ions. From the spectra it is also concluded that the film is amorphous and isotropic and has chain-like structure.
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Liren Lou, Liren Lou, Jacques Mugnier, Jacques Mugnier, Mohammed Bahtat, Mohammed Bahtat, Vladimir Brandel, Vladimir Brandel, Michel Genet, Michel Genet, } "Polarized waveguide Raman spectroscopy of the thorium phosphate xerogel thin films", Proc. SPIE 1758, Sol-Gel Optics II, (7 December 1992); doi: 10.1117/12.132003; https://doi.org/10.1117/12.132003
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