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    • 65. 发明授权
    • Optical fiber bundle and method of manufacturing the same
    • 光纤束及其制造方法
    • US07277616B2
    • 2007-10-02
    • US10485558
    • 2003-05-13
    • Shinji IshikawaSoichi EndoToshihiko ShishidoKen-ichiro Miyatake
    • Shinji IshikawaSoichi EndoToshihiko ShishidoKen-ichiro Miyatake
    • G02B6/04G02B6/00
    • G02B6/04G02B6/102
    • An optical fiber bundle that has better ultraviolet resistance characteristics at a wavelength range of 150 to 250 nm and that can be readily and cheaply manufactured with no risk of, for example, explosion during manufacturing and its manufacturing method are provided. In the optical fiber bundle, optical fibers including a core mainly containing silica glass and a cladding containing silica glass and fluorine are bundled and accommodated in a container. This container has optically transparent ends, accommodates hydrogen or deuterium as well as the optical fibers, and is sealed. The capacity of the container is 10 times or less as large as the volume of glass of the optical fibers. The method of manufacturing the optical fiber bundle includes the steps of impregnating the optical fibers with hydrogen or deuterium by keeping the optical fibers in a hydrogen or deuterium atmosphere; bundling the optical fibers and accommodating the bundled optical fibers in the container before the hydrogen or deuterium desorbs from the optical fibers; and sealing the container so that hydrogen or deuterium that has desorbed from the optical fibers can be kept in the container.
    • 提供了在150-250nm的波长范围内具有更好的抗紫外线特性的光纤束,并且可以容易且廉价地制造,而不会在制造过程中没有例如爆炸的风险及其制造方法。 在光纤束中,包含主要包含二氧化硅玻璃的芯和包含二氧化硅玻璃和氟的包层的光纤被捆扎并容纳在容器中。 该容器具有光学透明的端部,容纳氢或氘以及光纤,并被密封。 容器的容量是光纤的玻璃体积的10倍以下。 制造光纤束的方法包括以下步骤:通过将光纤保持在氢或氘气氛中,用氢或氘浸渍光纤; 捆扎光纤并在氢或氘从光纤解吸之前将捆扎的光纤容纳在容器中; 并且密封容器,使得已经从光纤解吸的氢或氘可以保持在容器中。
    • 66. 发明申请
    • Optical amplifier fiber
    • 光放大器光纤
    • US20060262387A1
    • 2006-11-23
    • US11434073
    • 2006-05-16
    • Tetsuya HarunaToshiki TaruMasashi OnishiMotoki KakuiShinji Ishikawa
    • Tetsuya HarunaToshiki TaruMasashi OnishiMotoki KakuiShinji Ishikawa
    • H01S3/00H04B10/12
    • H01S3/06716
    • Provided is an optical amplifier fiber in which both increasing output light power and sufficiently inhibiting the occurrence of nonlinear optical phenomenon can be compatibly achieved. In addition, an optical amplifier and light source equipment, in which such optical amplifier fiber is used, are provided. The optical amplifier fiber comprises (1) a core region doped with an aluminum element in the range of 1 wt % to 10 wt %, an erbium element in the range of 1000 wt. ppm to 5000 wt. ppm, and a fluorine element, the core region having an outer diameter in the range of 10 μm to 30 μm, and (2) a cladding region surrounding the core region and having a refractive index that is lower than the core region, wherein the relative refractive index difference of the core region relative to the cladding region is 0.3% or more and 2.0% or less.
    • 提供了可以兼容地实现增加输出光功率并充分抑制非线性光学现象的发生的光放大器光纤。 此外,提供了使用这种光放大器光纤的光放大器和光源设备。 光放大器光纤包括(1)掺杂有1重量%至10重量%范围的铝元素的芯区域,铒元素在1000重量%范围内。 ppm至5000wt。 ppm,以及氟元素,芯区域的外径在10μm〜30μm的范围内,(2)围绕芯区域的折射率低于芯区域的包层区域,其中, 芯区域相对于包层区域的相对折射率差为0.3%以上且2.0%以下。