Structural , dielectric , and optical properties of yttrium calcium borate glasses

  • Santos C
  • Meneses D
  • Echegut P
 et al. 
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Structural and optical properties of stable glasses in the
Y(2)O(3)-CaO-B(2)O(3) system, containing the same Y/Ca ratio as the
YCa(4)O(BO(3))(3) (YCOB) crystal, were determined from Raman and
reflectance infrared spectroscopy. Changes in optical functions with
composition are associated with an increase in the number of
non-bridging oxygen and to calcium/yttrium oxides content. Refractive
indexes values (from 1.597 to 1.627 at lambda=2 mu m) are in good
agreement with those of the YCOB crystal, an indication that these
glasses are potential candidates for optical applications due to their
ease of shaping as large bulk samples or fibers.

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  • Cristiane N. Santos

  • De Sousa Meneses

  • Patrick Echegut

  • Daniel R. Neuville

  • Antonio C. Hernandes

  • Alain Ibanez

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