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公开(公告)号：US20050031280A1
公开(公告)日：2005-02-10
申请号：US10937495
申请日：2004-09-10
摘要： A polarization-maintaining optical fiber which exhibits an excellent polarization-maintaining performance and significantly low splice loss when spliced with a polarization-maintaining optical fiber having a cladding 125 μm in diameter even if the polarization-maintaining optical fiber has a small-diameter cladding of about 80 μm. The polarization-maintaining optical fiber includes a core, a pair of stress-applying parts provided radially outwardly with respect to the core, and a cladding which surrounds the core and the stress-applying parts. With a diameter D of the stress-applying parts between 21 μm and 32 μm, a distance R between the stress-applying parts between 6 μm and 17 μm, and a relative refractive index difference Δ between 0.3% to 0.5%, a sufficiently large mode field diameter (MFD) is obtained; thus splice loss can be reduced.
摘要翻译： 一种偏振保持光纤，其具有优异的偏振保持性能，并且即使在保偏光纤具有小直径包层的情况下，也具有直径为直径为100μm的具有包层直径为直径为100μm的保偏光纤 约80妈 偏振保持光纤包括芯，相对于芯径向向外设置的一对应力施加部以及围绕芯和应力施加部的包层。 应力施加部分的直径D在21μm和32μm之间，应力施加部分之间的距离R在6μm和17μm之间，相对折射率差值差值在0.3％至0.5％之间，足够大 获得模场直径（MFD）; 因此可以减少接头损耗。
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公开(公告)号：US07289687B2
公开(公告)日：2007-10-30
申请号：US10937495
申请日：2004-09-10
IPC分类号： G02B6/00
摘要： A polarization-maintaining optical fiber which exhibits an excellent polarization-maintaining performance and significantly low splice loss when spliced with a polarization-maintaining optical fiber having a cladding 125 μm in diameter even if the polarization-maintaining optical fiber has a small-diameter cladding of about 80 μm. The polarization-maintaining optical fiber includes a core, a pair of stress-applying parts provided radially outwardly with respect to the core, and a cladding which surrounds the core and the stress-applying parts. With a diameter D of the stress-applying parts between 21 μm and 32 μm, a distance R between the stress-applying parts between 6 μm and 17 μm, and a relative refractive index difference Δ between 0.3% to 0.5%, a sufficiently large mode field diameter (MFD) is obtained; thus splice loss can be reduced.
摘要翻译： 一种偏振保持光纤，其具有优异的偏振保持性能，并且即使在保偏光纤具有小直径包层的情况下，也具有直径为直径为100μm的具有包层直径为直径为100μm的保偏光纤 约80妈 偏振保持光纤包括芯，相对于芯径向向外设置的一对应力施加部以及围绕芯和应力施加部的包层。 应力施加部分的直径D在21μm和32μm之间，应力施加部分之间的距离R在6μm和17μm之间，相对折射率差值差值在0.3％至0.5％之间，足够大 获得模场直径（MFD）; 因此可以减少接头损耗。
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公开(公告)号：US20060034574A1
公开(公告)日：2006-02-16
申请号：US11178477
申请日：2005-07-12
IPC分类号： G02B6/032
CPC分类号： G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/14
摘要： A hole-assisted holey fiber is provided. The holey fiber includes a core region; a cladding region around the core region, and a plurality of holes in the cladding region around the core region. The core region has a higher refractive index than that of the cladding region. The holes form an inner hole layer and an outer hole layer, and the inner hole layer has the same number of holes as the number of the holes in the outer hole layer. The outer layer holes are provided in locations in which inner holes are absent when viewed from the center of the core region, and holes defining the same layer have the same diameter. A distance Λ1 from a center of the core region to a center of an inner hole and a distance Λ2 from the center of the core region to a center of an outer hole satisfy the relationship Λ1
摘要翻译： 提供孔辅助多孔纤维。 多孔纤维包括芯区域; 围绕芯区域的包层区域，以及围绕芯区域的包层区域中的多个孔。 芯区域具有比包层区域更高的折射率。 孔形成内孔层和外孔层，内孔层的孔数与外孔层的孔数相同。 外层孔设置在从芯区域的中心观察时不存在内孔的位置，并且限定相同层的孔具有相同的直径。 从芯部区域的中心到内部孔的中心距离λ1到从芯部区域的中心到外部中心的距离λ2<2 < 孔的内径满足关系Lambda 1 N 2 N 2和内孔的直径d 1 N 2，直径d 2 < SUB>满足关系d <1> <= D 2 <2>。
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公开(公告)号：US07292762B2
公开(公告)日：2007-11-06
申请号：US11178477
申请日：2005-07-12
IPC分类号： G02B6/032
CPC分类号： G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/14
摘要： A hole-assisted holey fiber is provided. The holey fiber includes a core region; a cladding region around the core region, and a plurality of holes in the cladding region around the core region. The core region has a higher refractive index than that of the cladding region. The holes form an inner hole layer and an outer hole layer, and the inner hole layer has the same number of holes as the number of the holes in the outer hole layer. The outer layer holes are provided in locations in which inner holes are absent when viewed from the center of the core region, and holes defining the same layer have the same diameter. A distance Λ1 from a center of the core region to a center of an inner hole and a distance Λ2 from the center of the core region to a center of an outer hole satisfy the relationship Λ1
摘要翻译： 提供孔辅助多孔纤维。 多孔纤维包括芯区域; 围绕芯区域的包层区域，以及围绕芯区域的包层区域中的多个孔。 芯区域具有比包层区域更高的折射率。 孔形成内孔层和外孔层，内孔层的孔数与外孔层的孔数相同。 外层孔设置在从芯区域的中心观察时不存在内孔的位置，并且限定相同层的孔具有相同的直径。 从芯部区域的中心到内部孔的中心距离λ1到从芯部区域的中心到外部中心的距离λ2<2 < 孔的内径满足关系Lambda 1 N 2 N 2和内孔的直径d 1 N 2，直径d 2 < SUB>满足关系d 1 > = d 2 2。
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5.发明授权Amplification optical fiber and optical fiber amplifier and resonator using the same 有权放大光纤和光纤放大器和谐振器使用相同公开(公告)号：US08456737B2
公开(公告)日：2013-06-04
申请号：US12985491
申请日：2011-01-06
CPC分类号： H01S3/06733 , G02B6/03611 , H01S3/0672 , H01S3/0675 , H01S3/0804 , H01S3/094003 , H01S3/094069 , H01S3/09408 , H01S3/09415 , H01S3/1618
摘要： The invention provides an amplification optical fiber, which can output light with a good beam quality even when a higher-order mode is excited, and an optical fiber amplifier using the amplification optical fiber.An amplification optical fiber 50 has a core 51 and a clad 52 covering the core 51. The core 51 propagates light with a predetermined wavelength in at least an LP01 mode, and an LP02 mode, and an LP03 mode. When the LP01 mode, the LP02 mode, and the LP03 mode are standardized by power, in at least a part of a region where the intensity of the LP01 mode is larger than at least one of the intensities of the LP02 mode and the LP03 mode, the active element is added to the core 51 at a higher concentration than the central portion of the core.
摘要翻译： 本发明提供了一种放大光纤，其即使在激发高阶模式时也能输出具有良好光束质量的光，以及使用放大光纤的光纤放大器。 放大光纤50具有芯51和覆盖芯51的包层52.芯51以至少LP01模式和LP02模式和LP03模式传播具有预定波长的光。 当LP01模式，LP02模式和LP03模式通过功率标准化时，在LP01模式的强度大于LP02模式和LP03模式的强度中的至少一个的区域的至少一部分中 以比芯的中心部分更高的浓度将活性元素加入到芯51中。
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公开(公告)号：US08163084B2
公开(公告)日：2012-04-24
申请号：US11938541
申请日：2007-11-12
申请人： Yoshihiro Terada , Mitsuru Kamikatano , Kuniharu Himeno , Bunsho Ohtani , Takamune Yamagami , Tsukasa Torimoto
发明人： Yoshihiro Terada , Mitsuru Kamikatano , Kuniharu Himeno , Bunsho Ohtani , Takamune Yamagami , Tsukasa Torimoto
IPC分类号： C30B29/60
CPC分类号： C23C18/14
摘要： The invention relates to nanostructure and its manufacturing method. In the manufacturing method of a nanostructure, first anisotropic crystalline particles, connectors having end to be connected to a specific crystal face of each of said crystalline particles, and second particles to be connected to the other end of each of said connectors are prepared. First ends of the connectors are connected to specific crystal faces of the first crystalline particles, and simultaneously or before or after the connection, the second ends of the connectors are connected to the second particles. A nanostructure formed by this method has a three-dimensional structure which does not have a closest packing structure.
摘要翻译： 本发明涉及纳米结构及其制造方法。 在纳米结构体的制造方法中，准备了第一各向异性结晶粒子，具有与每个所述结晶粒子的特定结晶面连接的连接器和与所述连接器的另一端连接的第二粒子。 连接器的第一端连接到第一结晶颗粒的特定晶面，同时或连接之前或之后，连接器的第二端连接到第二颗粒。 通过该方法形成的纳米结构具有不具有最密封结构的三维结构。
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公开(公告)号：US20100276822A1
公开(公告)日：2010-11-04
申请号：US12837109
申请日：2010-07-15
IPC分类号： B29D11/00
CPC分类号： H01S3/06716 , C03B37/01838 , C03B37/01853 , C03B2201/12 , C03B2201/31 , C03B2201/36 , C03B2203/23 , C03C13/045 , C03C13/046 , G02B6/03633 , G02B6/03638
摘要： A rare earth-doped core optical fiber of the present invention includes a core comprising a silica glass containing at least aluminum and ytterbium, and a clad provided around the core and comprising a silica glass having a lower refraction index than that of the core, wherein the core has an aluminum concentration of 2% by mass or more, and ytterbium is doped into the core at such a concentration that the absorption band which appears around a wavelength of 976 nm in the absorption band by ytterbium contained in the core shows a peak absorption coefficient of 800 dB/m or less.
摘要翻译： 本发明的稀土掺杂的芯光纤包括包含至少含有铝和镱的二氧化硅玻璃的芯和在芯周围设置的包层，其包含比芯的折射率低的石英玻璃，其中 芯的铝浓度为2质量％以上，并且以这样的浓度将镱掺杂到芯中，使得在芯中包含的镱的吸收带中出现的波长976nm附近的吸收带表现出峰 吸收系数为800dB / m以下。
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公开(公告)号：US20100260212A1
公开(公告)日：2010-10-14
申请号：US12757190
申请日：2010-04-09
CPC分类号： H01S3/067 , H01S3/06754 , H01S3/09408 , H01S3/1301 , H01S3/1312 , H01S3/1618
摘要： A fiber output stabilizer according to an aspect of the invention stabilizes output light from a rare-earth doped optical fiber in which at least one kind of a rare-earth element is added to a core. The fiber output stabilizer includes: a monitoring light source that emits monitoring light having a wavelength shorter than that of excitation light exciting the rare-earth element; an optical multiplexer that multiplexes the monitoring light into the excitation light; an optical demultiplexer that demultiplexes the monitoring light passing through the rare-earth doped optical fiber; and a passing light detector that detects light intensity of the monitoring light from the optical demultiplexer.
摘要翻译： 根据本发明的一个方面的光纤输出稳定器稳定了将掺杂有至少一种稀土元素的稀土掺杂光纤的输出光稳定在芯上。 光纤输出稳定器包括：监测光源，其发射波长短于激发稀土元素的激发光的波长的监测光; 一个光复用器，将监控光复用到激发光中; 光分路器，其对通过稀土掺杂光纤的监控光进行解复用; 以及通过光检测器，其检测来自光解复用器的监视光的光强度。
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9.发明授权公开(公告)号：US07496261B2
公开(公告)日：2009-02-24
申请号：US11203890
申请日：2005-08-15
申请人： Kazuhiko Aikawa , Yutaka Nagasawa , Shogo Shimizu , Takaaki Suzuki , Masakazu Nakayama , Kuniharu Himeno , Ryozo Yamauchi , Keiji Ohashi , Munehisa Fujimaki
发明人： Kazuhiko Aikawa , Yutaka Nagasawa , Shogo Shimizu , Takaaki Suzuki , Masakazu Nakayama , Kuniharu Himeno , Ryozo Yamauchi , Keiji Ohashi , Munehisa Fujimaki
IPC分类号： G02B6/036
CPC分类号： G02B6/02009 , G02B6/02261 , G02B6/0228 , G02B6/02395 , G02B6/03627 , G02B6/03644
摘要： A dispersion compensating optical fiber for NZ-DSFs, includes: an uncovered dispersion compensating optical fiber; a double-layered resin coating disposed around the uncovered dispersion compensating optical fiber; and an outer coating layer having a thickness of 3 to 7 μm, containing silicone in an amount of 1 to 5% by weight, and disposed around the double-layered resin coating. The outer diameter of the uncovered dispersion compensating optical fiber is in a range from 90 to 125 μm, an outer diameter of the dispersion compensating optical fiber is in a range from 180 to 250 μm, and the amount of silicone contained in the outer coating layer is determined such that an adhesive property of the outer coating layer is 1 gf/mm or less.
摘要翻译： 用于NZ-DSF的色散补偿光纤包括：未覆盖的色散补偿光纤; 设置在未覆盖的色散补偿光纤周围的双层树脂涂层; 以及厚度为3〜7μm的外涂层，含有1〜5重量％的硅氧烷，并且设置在双层树脂涂层的周围。 未覆盖的色散补偿光纤的外径在90〜125μm的范围内，色散补偿光纤的外径在180〜250μm的范围内，外涂层的硅氧烷的含量 确定为外涂层的粘合性为1gf / mm以下。
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公开(公告)号：US07406235B2
公开(公告)日：2008-07-29
申请号：US10934723
申请日：2004-09-07
申请人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
发明人： Ning Guan , Katsuhiro Takenaga , Kuniharu Himeno
IPC分类号： G02B6/02
CPC分类号： G02B6/0288 , G02B6/03622 , G02B6/03694
摘要： A graded-index multimode fiber includes a core made of silica glass, the core having a central region and an outer peripheral region, and a cladding which is provided at an outer periphery of the core. The central region contains one of germanium and phosphorus, and the outer peripheral region contains fluorine.
摘要翻译： 分级折射率多模光纤包括由石英玻璃制成的芯，芯具有中心区域和外周区域，以及设置在芯的外周的包层。 中心区含有锗和磷之一，外周区含有氟。
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