Glass for optical fiber

Details Glass for optical fiber Glass for optical fiber

1981-01-14

1982-08-24

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 40, 501904, C03C 312, C03C 1300

Patent

active

043461760

ABSTRACT:
Glass for an optical fiber consists essentially of 10 to 64 mol % of at least one kind of fluoride selected from a first group consisting of CaF.sub.2, SrF.sub.2 and BaF.sub.2 ; 0.5 to 50 mol % of at least one kind of fluoride selected from a second group consisting of YF.sub.3 and fluorides of lanthanide elements; and 30 to 65 mol % of AlF.sub.3.

REFERENCES:
patent: 2466509 (1949-04-01), Sun
patent: 4120814 (1978-10-01), Izumitani et al.
patent: 4142986 (1979-03-01), Rapp
patent: 4308066 (1981-12-01), Mitachi et al.
Sun, K. H., "Fluoride Glasses", Glass Technology, 20 (1), Feb. 1979, pp. 36-40.
Chem. Abstracts-90 (1979), p. 569, item 212565w, Videau, J. J. et al., "Elaboration and Optical Properties of New Neodymium-Activated Fluoride Glasses".
"Sur de nouveaux verres aluminofluores", Revue de Chimie Minerale, vol. 16, No. 4, 1979, Jean-Jacques Videau et Josik Portier.

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