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    • 8. 发明申请
    • FIBER OPTIC ARTICLE
    • 光纤物品
    • WO2006017802A2
    • 2006-02-16
    • PCT/US2005/028032
    • 2005-08-05
    • NUFERNFARRONI, Julia, A.MANYAM, Upendra, H.JACOBSON, NilsTANKALA, KanishkaCARTER, Adrian
    • FARRONI, Julia, A.MANYAM, Upendra, H.JACOBSON, NilsTANKALA, KanishkaCARTER, Adrian
    • G02B6/02
    • G02B6/03661G02B6/02G02B6/02042G02B6/024G02B6/03638
    • An optical fiber comprising a core (120, 220, 320, 420, 520, 620, 720, 820) having at least one rare earth for providing light having a first wavelength responsive to the fiber being pumped by light having a second wavelength that is different than the first wavelength; an inner region (270, 370, 470, 570, 670, 770, 870) disposed about the core; a pump cladding (224, 324, 424, 524, 624, 724, 824) disposed about the inner region; a second cladding (128, 228, 328, 628, 728, 828) disposed about the pump cladding; wherein the index of refraction of the second cladding is less than that of the pump cladding, the index of refraction of the pump cladding is less than that of the inner region, and the index of refraction of the inner region is less than that of the core; and wherein the core comprises a V-number at the first wavelength of greater than 2.405 and wherein the core comprises a numerical aperture of less than 0.12.
    • 光纤,包括具有至少一个稀土的芯(120,220,320,420,520,620,720,820),用于提供响应于被泵浦的光纤的第一波长的光 通过具有不同于第一波长的第二波长的光; 内部区域(270,370,470,570,670,770,870),所述内部区域围绕所述芯设置; 围绕所述内部区域布置的泵包壳(224,324,424,524,624,724,824) 围绕泵包壳设置的第二包层(128,228,328,628,728,828) 其中第二包层的折射率小于泵浦包层的折射率,泵浦包层的折射率小于内部区域的折射率,并且内部区域的折射率小于泵浦包层的折射率 核心; 并且其中所述芯包含在大于2.405的所述第一波长处的V值,并且其中所述芯包括小于0.12的数值孔径。