Properties of Bi-doped “powder-in-tube” fabricated fibers were compared with the bulk glass samples of the same Mg-Al-silicate glass composition. The losses in the fibers were an order of magnitude less than in Ir crucible melted glasses.
© 2012 OSA
S. Sverchkov, B. I. Denker, B. I. Galagan, S. V. Firstov, I. A. Bufetov, S. L. Semenov, V. V. Velmiskin, and E. Dianov, "Bismuth-doped Mg-Al-silicate Glasses and Optical Fibers on their Base," in Lasers, Sources, and Related Photonic Devices, OSA Technical Digest (CD) (Optical Society of America, 2012), paper JTh2A.4.