发明名称 |
Limited mode optical fiber |
摘要 |
A single mode optical fiber having a central core region of uniform composition and thickness and core end regions each having a core with a graded composition and increasing thickness towards the ends of the fiber. The fiber maintains a constant normalized frequency with a minimum bending loss. Methods are also provided for forming the fibers from a fiber optic preform.
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申请公布号 |
US4205901(A) |
申请公布日期 |
1980.06.03 |
申请号 |
US19780948447 |
申请日期 |
1978.10.04 |
申请人 |
INTERNATIONAL STANDARD ELECTRIC CORP |
发明人 |
BLACK, PHILIP W;RAMSAY, MELVIN M |
分类号 |
C03B37/018;G02B6/255;G02B6/26;(IPC1-7):G02B5/14 |
主分类号 |
C03B37/018 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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