专利内容由知识产权出版社提供
专利名称：METHOD OF MEASURING OPTICAL FIBER
PREFORM
发明人：Yuhei URATA申请号：US17213213申请日：20210325
公开号：US20210215473A1公开日：20210715
专利附图：
摘要：A method of measuring a diameter of a core portion of an optical fiber preformincluding the core portion having a relatively high refractive index and a clad portionhaving a relatively low refractive index. The method includes applying parallel light to the
optical fiber preform, and measuring the diameter of the core portion from an imagecaptured by receiving the light having transmitted through the optical fiber preform.
申请人：Shin-Etsu Chemical Co., Ltd.
地址：Tokyo JP
国籍：JP
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