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    • 9. 发明专利
    • Optical fiber for optical fiber laser, method of manufacturing the same and optical fiber laser
    • 用于光纤激光的光纤,其制造方法和光纤激光器
    • JP2009032910A
    • 2009-02-12
    • JP2007195573
    • 2007-07-27
    • Hitachi Cable Ltd日立電線株式会社
    • YO HEIKOJIMA MASATSUGUOSONO KAZUMASAHONGO AKISHI
    • H01S3/06H01S3/094H01S3/20
    • H01S3/06716H01S3/0672
    • PROBLEM TO BE SOLVED: To provide an optical fiber for an optical fiber laser, its manufacturing method and the optical fiber laser which suppress a temperature rise of the optical fiber in the optical fiber laser and increase an output of laser beams. SOLUTION: The optical fiber for the optical fiber laser 1 includes: a rare earth adding core 2 to which a rare earth element is added; and a clad 3 formed surrounding the rare earth adding core. In the optical fiber for the optical fiber laser 1, an excited light Le enters from an end of the clad 3, and the rare earth element is excited to output laser oscillation beams L of a high output. The rare earth adding core 2 is divided into a plurality of core areas 2a, 2b, ..., 2n-1, 2n along a longitudinal direction thereof, and an addition concentration of the rare earth element added to the respective core areas 2a, 2b, ..., 2n-1, 2n is different. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于光纤激光器的光纤,其制造方法和光纤激光器,其抑制光纤激光器中的光纤的温度升高并增加激光束的输出。 解决方案:用于光纤激光器1的光纤包括:加入稀土元素的稀土添加芯2; 以及围绕稀土添加核心形成的包层3。 在光纤激光器1的光纤中,激发光Le从包层3的端部进入,激励稀土元素输出高输出的激光振荡光束L. 稀土添加铁心2沿着其长度方向分为多个芯区域2a,2b,...,2n-1,2n,添加到各个芯区域2a, 2b,...,2n-1,2n不同。 版权所有(C)2009,JPO&INPIT