Rf-sputtered epitaxial films of Bi12TiO20 on Bi12GeO20 for optical waveguiding
作者： T. Mitsuyu , K. Wasa , S. Hayakawa
DOI: 10.1016/0022-0248(77)90108-7
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摘要: Abstract Single-crystal films of Bi12TiO20 were epitaxially grown on Bi12GeO20 substrates by rf-sputtering from a stoichiometric target at the substrate temperature 400–450°C. Optical waveguiding 6328 A He-Ne laser light was successfully carried out using films. propagation loss 15 dB/cm observed for TE0 mode in 2.4 μm thick film. The refractive index film determined to be 2.570.
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