发明名称 |
Glass base material, optical fiber, method for manufacturing thereof, and method for determining cause of defect thereof |
摘要 |
A glass base material, which is a base material of an optical fiber, comprising: a core; and a clad surrounding the core; wherein: a rate of change in a relative-refractive-index-difference between the core and the clad in a longitudinal direction of the glass base material is substantially 6% or less.
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申请公布号 |
US6914669(B2) |
申请公布日期 |
2005.07.05 |
申请号 |
US20040819331 |
申请日期 |
2004.04.07 |
申请人 |
SHIN-ETSU CHEMICAL CO., LTD. |
发明人 |
OYAMADA HIROSHI |
分类号 |
C03B37/00;C03B37/012;C03B37/014;G01M11/00;G02B6/00;G02B6/02;(IPC1-7):G01N21/00 |
主分类号 |
C03B37/00 |
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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