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公开(公告)号:EP1191649A1
公开(公告)日:2002-03-27
申请号:EP00922954.3
申请日:2000-05-01
发明人: YOSHIDA, Minoru Itami W. Mitsubishi C. Ind., Ltd. , IMAMURA, Kazuo Itami W. Mitsubishi C. Ind., Ltd. , NAKAI, Tadahiko Itami W. Mitsubishi C. Ind., Ltd. , SUDO, Yasuhide Itami W. Mitsubishi C. Ind., Ltd.
CPC分类号: G02B6/02042 , G02B6/02095 , H01S3/067 , H01S3/06716 , H01S3/0672 , H01S3/06729 , H01S3/0675 , H01S3/06754
摘要: A long period grating (8) by which an excitation light propagated through the 2nd core (4) of a double-core type optical fiber composed of the 2nd core (4) formed on the outer circumference of the 1st core (2) is guided into the 1st core (2) is formed on the 1st core (2) to improve an excitation efficiency.
摘要翻译: 引导由形成在第一芯(2)的外周上的由第二芯(4)组成的双芯型光纤通过第二芯(4)传播的激发光的长周期光栅(8)被引导 在第一芯(2)上形成第一芯(2),以提高激发效率。