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    • 32. 发明专利
    • Optical amplifier and resonator
    • 光放大器和谐振器
    • JP2010199563A
    • 2010-09-09
    • JP2010011678
    • 2010-01-22
    • Fujikura Ltd株式会社フジクラ
    • NOGUCHI YOSHIKIYONAKAI MICHIHIRO
    • H01S3/094H01S3/0941
    • G02B6/32G02B6/02047H01S3/061H01S3/094053H01S3/094057H01S3/2308H01S3/2333
    • PROBLEM TO BE SOLVED: To provide an optical amplifier and a resonator outputting output light having high intensity. SOLUTION: The optical amplifier 100 includes: a first optical fiber 20, through which seed light and excitation light propagate; an optical coupler 30 that inputs the excitation light into the first optical fiber 20; a first lens 40 to which the seed light and the excitation light output from the first optical fiber 20 are input and which increases diameters of the seed light and the excitation light; a glass rod 50 doped with rare earth elements to be excited by the excitation light, to which the seed light and the excitation light output from the first lens 40 are input and which amplifies and outputs the seed light as output light; a second lens 60 to which at least the output light output from the glass rod 50 is input and which decreases a diameter of the output light; and a second optical fiber 70 to which the output light output from the second lens 60 is input and through which the output light propagates. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种输出具有高强度的输出光的光放大器和谐振器。 解决方案:光放大器100包括:第一光纤20,种子光和激发光通过该第一光纤20传播; 将激发光输入到第一光纤20中的光耦合器30; 输入从第一光纤20输出的种子光和激发光的第一透镜40,并增加种子光和激发光的直径; 掺杂有要被激发光激发的稀土元素的玻璃棒50,从第一透镜40输出的种子光和激发光被输入到其中,并且放大并输出种子光作为输出光; 输入至少从玻璃棒50输出的输出光并减小输出光的直径的第二透镜60; 以及输入从第二透镜60输出的输出光的第二光纤70,输出光通过该光纤传播。 版权所有(C)2010,JPO&INPIT