GLASS OPTICAL FIBER STRAND FOR FIBER GRATING
PROBLEM TO BE SOLVED: To provide an optical fiber strand for a fiber grating which has high coating contactness, an excellent coating removing property and high reliability. SOLUTION: The optical fiber strand (1) for the fiber grating is provided with a primary covering layer (3) and a secondary cov...
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an optical fiber strand for a fiber grating which has high coating contactness, an excellent coating removing property and high reliability. SOLUTION: The optical fiber strand (1) for the fiber grating is provided with a primary covering layer (3) and a secondary covering layer (4) on a glass optical fiber bare wire (2), and the primary covering layer (3) is constituted of a resin composition that incorporates silane coupling agent by 0.05-5 mass % and whose contactness with glass is set 5-20 N/m. COPYRIGHT: (C)2004,JPO |
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