25 April 2012 Optical properties of Bi-doped Mg-Al silicate glasses and fibers
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The paper compares the absorption and emission properties of bulk glasses prepared by sintered in an iridium crucible and optical fibers fabricated by the powder-in-tube method. Both the bulk glasses and fibers were prepared from identical mixtures. The emission properties of the bulk samples and fibers were similar, while the "gray losses" in the fibers were an order of magnitude lower than those in the crucible melted glasses.
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Vladimir V. Velmiskin, Boris I. Galagan, Boris I. Denker, Sergey E. Sverchkov, Sergey L. Semjonov, Sergey V. Firstov, Ilya L. Shulman, Igor A. Bufetov, and Evgeniy M. Dianov "Optical properties of Bi-doped Mg-Al silicate glasses and fibers", Proc. SPIE 8426, Microstructured and Specialty Optical Fibres, 84260M (25 April 2012); doi: 10.1117/12.922669; https://doi.org/10.1117/12.922669

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