发明名称 |
METHODS FOR FABRICATING OPTICAL FIBER PREFORM AND OPTICAL FIBER |
摘要 |
<p>A method of manufacturing an optical fiber preform or an optical fiber is provided. The method includes the steps of: (a) providing a glass tube and a glass core rod; (b) inserting the glass core rod into the glass tube to form an assembled body; (c) heating the assembled body to cause the glass tube to collapse on and adhere to the glass core rod; and (d) treating an interface gap between the glass core rod and the glass tube during heating of at least a portion of the assembled body. Treating of the interface gap involves: (i) establishing a vacuum pressure in the interface gap, (ii) increasing a pressure of the interface gap by a treatment gas through the interface gap for a predetermined time, and (iii) re-establishing a vacuum pressure in the interface gap after the predetermined time has elapsed.</p> |
申请公布号 |
EP2938580(A1) |
申请公布日期 |
2015.11.04 |
申请号 |
EP20130817803 |
申请日期 |
2013.12.16 |
申请人 |
HERAEUS QUARZGLAS GMBH & CO. KG;HERAEUS TENEVO LLC |
发明人 |
FATTAL, GEORGES, LEVON;GANZ, OLIVER;CHANG, KAI |
分类号 |
C03B37/012 |
主分类号 |
C03B37/012 |
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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