G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/036 (2006.01) G02B 6/34 (2006.01)
Patent
CA 2355457
The present invention relates to an optical fiber having a sufficient strength, in which not only a core region but also a cladding region contains GeO2, and an optical component including the same. The optical fiber has an outer diameter D; and comprises a core region, a first cladding region surrounding the core region, and a second cladding region surrounding the first cladding region. The core region is a glass region mainly composed of a silica glass material with a GeO2 content of 1 wt% or more. The first cladding region is a glass region, mainly composed of a silica glass material with a GeO2 content of 1 wt% or more, having an outer diameter of 0.80D or more but 0.98D or less. The second cladding region is a glass region mainly composed of a silica glass material with a GeO2 content of less than 0.2 wt%.
Hashimoto Ken
Ishikawa Shinji
Shibata Toshikazu
Marks & Clerk
Sumitomo Electric Industries Ltd.
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