发明名称 |
PREPARATION OF OPTICAL TRANSMISSION FIBER |
摘要 |
PURPOSE:To prepare easily an optical transmitting fiber with broad transmission band, consisting of light channel with high refractive index in the central portion and reflection layer with low refractive index therearound, by heating a composite glass tube made of a specific quartz glass to thereby making into a composite glass rod simultaneously with spinning thereof. |
申请公布号 |
JPS5310443(A) |
申请公布日期 |
1978.01.30 |
申请号 |
JP19760084634 |
申请日期 |
1976.07.16 |
申请人 |
NIPPON TELEGRAPH & TELEPHONE;FURUKAWA ELECTRIC CO LTD |
发明人 |
TAKADA HISAO;YOSHIDA KAZUAKI;KUROBA TOSHIAKI |
分类号 |
C03B37/018;G02B6/00 |
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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