Faraday rotation single-mode optical fiber

Details Faraday rotation single-mode optical fiber Faraday rotation single-mode optical fiber

1986-12-29

1988-02-23

Lee, John

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 40, G02B 616

Patent

active

047266520

ABSTRACT:
A Faraday rotation single-mode fiber having a high Verdet constant is disclosed, the core and the cladding of the fiber being made of a glass having the following composition: 26 to 38 mol % SiO.sub.2, 18 to 34 mol % B.sub.2 O.sub.3, 17 to 26 mol % Al.sub.2 O.sub.3, 18 to 32 mol % Tb.sub.2 O.sub.3, 0 to 5 mol % ZrO.sub.2, 0 to 5 mol % Ce.sub.2 O.sub.3, 0 to 5 mol % Pr.sub.2 O.sub.3, 0 to 5 mol % Dy.sub.2 O.sub.3 and 0 to 5 mol % Ho.sub.2 O.sub.3, provided that the total amount of the above ingredients is not less than 97 mol % and the total amount of Ce.sub.2 O.sub.3, Pr.sub.2 O.sub.3, Dy.sub.2 O.sub.3 and Ho.sub.2 O.sub.3 is 0 to 5 mol %.

REFERENCES:
patent: 4341873 (1982-07-01), Robinson et al.

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