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1. 发明专利

JP2007256365A Optical frequency comb generation device 审中-公开
标题翻译：光电频率发生装置
公开(公告)号：JP2007256365A
公开(公告)日：2007-10-04
申请号：JP2006077442
申请日：2006-03-20
申请人： National Institute Of Advanced Industrial & Technology , Sumitomo Electric Ind Ltd , 住友電気工業株式会社 , 独立行政法人産業技術総合研究所
发明人： HIRANO MASAAKI , ONISHI MASASHI , OKUNO TOSHIAKI , INABA HAJIME , DAIMON YUTA , HONG FENG-LEI , MINOJIMA KAORU , OONAE ATSUSHI , MATSUMOTO KOICHI
IPC分类号： G02F1/383 , G02F2/02
CPC分类号： G02F1/353 , G02F2203/56
摘要： PROBLEM TO BE SOLVED: To provide an optical frequency comb generation device for obtaining an optical comb of high S/N ratio.
SOLUTION: Pulse laser light output by synchronous mode laser oscillation of a laser light source 10 is optically amplified into a high power by an optical fiber amplifier 30A employing reverse excitation and then is input to a highly nonlinear optical fiber 40A. The pulse laser light input to the highly nonlinear optical fiber 40A has the band widened by a nonlinear optical phenomenon appearing in the highly nonlinear optical fiber 40A, whereby a wide-band optical comb of high S/N ratio is obtained.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种用于获得高S / N比的光梳的光学频率梳发生装置。解决方案：通过激光光源10的同步激光振荡输出的脉冲激光由采用反向激励的光纤放大器30A被光放大到高功率，然后被输入到高度非线性的光纤40A。输入到高非线性光纤40A的脉冲激光由于高非线性光纤40A中出现的非线性光学现象带宽扩大，得到高S / N比的宽带光梳。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008180650A Light source unit and spectrum analyzer 有权
标题翻译：光源单元和光谱分析仪
公开(公告)号：JP2008180650A
公开(公告)日：2008-08-07
申请号：JP2007015373
申请日：2007-01-25
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： TANAKA MASATO , NAKANISHI TETSUYA , HARUNA TETSUYA , HIRANO MASAAKI , OKUNO TOSHIAKI , SASAKI TAKASHI , ONISHI MASASHI
IPC分类号： G01N21/01 , G01J3/10 , G01N21/27 , G02B6/04 , G02B6/12 , G02B6/32 , G02B27/09 , G02B27/48 , G02F1/01 , G02F1/035 , G02F1/09 , G02F1/365 , H01S3/00
CPC分类号： G01J3/10 , G01J3/02 , G01J3/0205 , G01J3/0208 , G01J3/021 , G01J3/0218 , G01J3/0224 , G01J3/0229 , G01J3/0297 , G01J3/06 , G01J3/14 , G01J3/1895 , G01J3/26 , G01J3/433 , G01J2003/065
摘要： PROBLEM TO BE SOLVED: To provide a light source unit and a spectrum analyzer capable of reducing the influence due to the interference in wavelength component on analysis, or the like. SOLUTION: This spectrum analyzer 1 comprises the light source unit 2 for emitting light onto a sample A; a detector 3 for detecting light reflected, transmitted, or scattered from the sample A; and a sample mounting section 4 for mounting the sample A. The light source unit 2 comprises a wide-band light source 20 and a light irradiation section 23. The wide-band light source 20 generates wide-band light P1 such as super-continuum light (SC light). The light source unit 2 has an interference suppressing means for suppressing interference in each wavelength component of the wide-band light P1. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够减少由于分析时的波长分量的干扰引起的影响的光源单元和频谱分析仪等。解决方案：该频谱分析仪1包括用于将光发射到样品A上的光源单元2; 用于检测从样品A反射，透射或散射的光的检测器3; 以及用于安装样本A的样本安装部分4.光源单元2包括宽带光源20和光照射部分23.宽带光源20产生诸如超连续体的宽带光P1 光（SC灯）。光源单元2具有用于抑制宽带光P1的每个波长分量中的干扰的干扰抑制装置。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007108964A Guide system and guide method 审中-公开
标题翻译：指导系统和指导方法
公开(公告)号：JP2007108964A
公开(公告)日：2007-04-26
申请号：JP2005298240
申请日：2005-10-12
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： SASAKI TAKASHI , ONISHI MASASHI
IPC分类号： G08B17/00 , G01S17/88 , G08B17/103
摘要： PROBLEM TO BE SOLVED: To guide and instruct evacuation in a safe direction by detecting fire and smoke and/or gas in an object space by a plurality of flame/gas detecting units. SOLUTION: Each of the flame/gas detecting units U1, U2 has a laser radar 11 comprising a light emitting part 111, a light detecting part 112 and an azimuth/distance detecting part 113; a spectrum analyzer 12; a guide instructing device 13 (having an evacuation route information storage device 14, an evacuation route display device 15, and a control device 16 referring to evacuation route information in the evacuation route information storage device 14 based on azimuth information and distance information to determine an optimum evacuation route, and allowing at least one evacuation route display device 15 to display the optimum evacuation route). The flame/gas detecting units detect fire and smoke and/or gas independently of each other. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过多个火焰/气体检测单元检测物体空间中的火和烟和/或气体来指导和指示在安全方向上的撤离。解决方案：每个火焰/气体检测单元U1，U2具有包括发光部分111，光检测部分112和方位角/距离检测部分113的激光雷达11; 频谱分析仪12; 引导指示装置13（具有疏散路径信息存储装置14，疏散路径显示装置15以及控制装置16，参照撤离路径信息存储装置14中的撤离路径信息，基于方位信息和距离信息，最佳疏散路线，并允许至少一个疏散路线显示装置15显示最佳疏散路线）。火焰/气体检测装置相互独立地检测火和烟和/或气体。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006309034A Multi-mode optical fiber 审中-公开
标题翻译：多模光纤
公开(公告)号：JP2006309034A
公开(公告)日：2006-11-09
申请号：JP2005133748
申请日：2005-04-28
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： NEGISHI MORIAKI , KOYANO YASUSHI , SAKABE ITARU , MATSUI MASAHIKO , ONISHI MASASHI , NAKANISHI TETSUYA
IPC分类号： G02B6/028
摘要： PROBLEM TO BE SOLVED: To provide a multi-mode optical fiber which can be manufactured easily without causing an increase of transmission loss by hydrogen. SOLUTION: The core part 2 of a multi-mode optical fiber having a core part 2 and a cladding part 3 has structure of a plurality of concentric circle-shaped layers in which a refractive index decreases stepwise from a 1st core layer 2a of the innermost layer to a 3rd core layer 2c of the outermost layer, and the structure of the plurality of layers are formed by allowing the amount of addition of fluorine with respect to silica glass to be adjusted and in the cladding part 3, fluorine is added so that the refractive index becomes lower than that of the 3rd core layer 2c being the outermost layer of the core part 2. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种容易制造的多模光纤，而不会引起氢的传输损耗的增加。解决方案：具有芯部2和包层部3的多模光纤的芯部2具有多个同心圆形层的结构，其中折射率从第一芯层2a逐步降低最外层的第3纤芯层2c，通过调整氟化物相对于石英玻璃的添加量而形成多层的结构，在包层部3中，氟为添加，使得折射率变得低于作为芯部2的最外层的第3芯层2c的折射率。（C）2007，JPO＆INPIT

5. 发明专利

JP2005170731A Production method of multi-mode optical fiber preform, production method of multi-mode optical fiber, and multi-mode optical fiber 有权
标题翻译：多模光纤预制件的制造方法，多模光纤的制造方法以及多模光纤
公开(公告)号：JP2005170731A
公开(公告)日：2005-06-30
申请号：JP2003412378
申请日：2003-12-10
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： MORIOKA HIDEO , YOKOGAWA TOMOYUKI , ONISHI MASASHI , MATSUI MASAHIKO , YOSHIDA MOTOHIDE , IJIRI HIDEYUKI , TADA HIKARI
IPC分类号： G02B6/00 , C03B37/018 , C03B37/07
CPC分类号： C03B2203/26 , C03B2207/36 , C03B2207/70
摘要： PROBLEM TO BE SOLVED: To provide a production method of a multi-mode optical fiber preform capable of accurately forming a refractive index distribution required by a multi-mode optical fiber of a GI type; a production method for a multi-mode optical fiber; and a multi-mode optical fiber with a good refractive index distribution. SOLUTION: The production method for a multi-mode optical fiber preform comprises the following: while a long-form mandrel 4 is being rotated around its shaft, silicon tetrachloride, germanium tetrachloride, hydrogen, and oxygen are introduced into a burner 5 and caused to generate flame to generate fine glass particles by the flame; and after the mandrel 4 and the burner 5 are moved relatively in the longitudinal direction to deposit the fine glass particles on the outside of the mandrel 4, a fine glass particle deposit 6 is sintered by heating. In depositing the fine glass particles, the flow rate of hydrogen is controlled so that the surface temperature of a fine glass particle deposition part 6a is in a specified range in relation with a target value over the whole length of effective part of the preform. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够精确地形成GI型多模光纤所要求的折射率分布的多模光纤预制棒的制造方法。一种多模光纤的制造方法; 以及具有良好折射率分布的多模光纤。解决方案：多模光纤预制件的制造方法包括以下步骤：当长型心轴4绕其轴旋转时，四氯化锗，四氯化锗，氢气和氧气被引入到燃烧器5中并产生火焰以通过火焰产生细玻璃颗粒; 在心轴4和燃烧器5沿长度方向相对移动之后，将精细玻璃颗粒沉积在心轴4的外侧，通过加热烧结细玻璃微粒沉积物6。在沉积细微玻璃颗粒时，控制氢气的流速，使得细玻璃颗粒沉积部分6a的表面温度在预成型件的有效部分的整个长度上与目标值相关在特定范围内。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004338958A Method for manufacturing optical fiber preform, and optical fiber 有权
公开(公告)号：JP2004338958A
公开(公告)日：2004-12-02
申请号：JP2003133703
申请日：2003-05-12
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： SASAKI TAKASHI , NAKANISHI TETSUYA , HIRANO MASAAKI , ONISHI MASASHI
IPC分类号： C03B37/018
CPC分类号： C03B37/01807 , C03B2201/12 , C03B2207/30
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical fiber preform, by which the specific refractivity of a glass layer deposited on the inner side to pure silica can be reduced markedly; and to provide an optical fiber having a desired distribution of refractive indices.
SOLUTION: In the method for manufacturing the optical fiber preform, a glass raw material gas is introduced into the inside of a starting glass pipe G, the starting glass pipe G is heated by traversing a heat source 10 provided at the outside of the starting glass pipe G in the longitudinal direction, glass fine particles G1 are deposited on the inner side of the starting glass pipe G so that the thickness of the deposited glass particles becomes ≥100 μm, a gas containing fluorine is introduced into the inside of the starting glass pipe G, and the the starting glass pipe G is heated by traversing the heat source 10 in the longitudinal direction of the starting glass pipe G to vitrify the glass particulate deposit G2, thereby forming a glass layer containing fluorine on the inner side of the starting glass pipe G.
COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2012220548A Storage method for optical fiber 审中-公开
标题翻译：光纤存储方法
公开(公告)号：JP2012220548A
公开(公告)日：2012-11-12
申请号：JP2011083375
申请日：2011-04-05
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： KOSHIMIZU SEIKI , ONISHI MASASHI
IPC分类号： G02B6/00 , G02B6/44
CPC分类号： C03B37/10
摘要： PROBLEM TO BE SOLVED: To provide a storage method for an optical fiber that enables, while the denaturation of a jacket is effectively suppressed, high quality to be maintained over a long period of time.SOLUTION: In a storage method for an optical fiber 11 the outer circumference of which is coated with a jacket 22 made of ultraviolet-curing resin, the optical fiber 11 is stored in a state of being wound around a body part 13 in a bobbin 12. The temperature in the environment for storing the optical fiber 11 wound on the bobbin 12 is made to be 40°C or less, and the intensity of ultraviolet having a wavelength of 410 nm or less in the environment for storage is made to be 10 mW/mor less.
摘要翻译：要解决的问题：提供一种光纤的存储方法，其能够在有效地抑制外壳的变性的同时，能够在长时间内保持高品质。解决方案：在光纤11的外周涂覆有由紫外线固化树脂制成的护套22的光纤11的存储方法中，光纤11以卷绕在身体部分13周围的状态存储将卷绕在线轴12上的光纤11的储存环境的温度设定为40℃以下，在保存环境下制作波长410nm以下的紫外线强度为10 mW / m 2 以下。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012076972A Seal structure for optical fiber preform 审中-公开
标题翻译：光纤预制的密封结构
公开(公告)号：JP2012076972A
公开(公告)日：2012-04-19
申请号：JP2010225688
申请日：2010-10-05
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： OKAZAKI IWAO , SAITO TATSUO , ONISHI MASASHI
IPC分类号： C03B37/029
CPC分类号： C03B37/029 , C03B2205/80
摘要： PROBLEM TO BE SOLVED: To provide a seal structure sealable of a gap occurring between an optical fiber preform and a through-hole of the optical fiber preform, which is arranged in the upper end of an optical fiber drawing furnace body, and complyable with drawing of an optical fiber preform greatly varying in diameter.SOLUTION: In the upper end (fiber drawing furnace body upper end) 11a of the optical fiber drawing furnace body, the seal structure for an optical fiber preform seals a gap between the optical fiber preform 1 and the through-hole, which is arranged for passing the optical fiber preform 1 through the fiber drawing furnace body. The seal structure includes adjusting mechanisms (a tension adjusting part 24 and a fixing part 25, for example), by which a band-shaped member 21 with a width wider than that of the gap is wound around the side face of the optical fiber preform 1 in the fiber drawing furnace upper end 11a to seal the gap and winding tension of the band-shaped member 21 is kept constant.
摘要翻译：要解决的问题：提供一种密封结构，该密封结构可以在光纤预制棒和布置在光纤拉制炉体的上端的光纤预制棒的通孔之间发生间隙密封，以及符合直径大大变化的光纤预制件的拉丝。解决方案：在光纤拉丝炉体的上端（纤维拉丝炉体上端）11a中，用于光纤预制棒的密封结构密封光纤预制棒1和通孔之间的间隙，布置成使光纤预制件1通过纤维拉制炉体。密封结构包括调节机构（例如张力调节部分24和固定部分25），通过该调节机构将宽度大于间隙的宽度的带状构件21缠绕在光纤预制件的侧面在纤维拉丝炉上端部11a中，为了密封间隙，带状部件21的卷绕张力保持恒定。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2008247740A Optical fiber preform and its manufacturing method 审中-公开
标题翻译：光纤预制件及其制造方法
公开(公告)号：JP2008247740A
公开(公告)日：2008-10-16
申请号：JP2008173186
申请日：2008-07-02
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： ENOMOTO TADASHI , MORIYA TOMOMI , OGA YUICHI , ONISHI MASASHI , KAKAZU OSAMU , KATO HIDEICHIRO , ADACHI TORU , SASAKI TAKASHI , HIRANO MASAAKI
IPC分类号： C03B37/012
CPC分类号： C03B37/0126 , C03B37/01211 , C03B37/01248
摘要： PROBLEM TO BE SOLVED: To reduce the manufacturing cost of an optical fiber preform. SOLUTION: A method for manufacturing the optical fiber preform for a single mode optical fiber comprises unifying the core rod and a glass pipe by heating them with a heat source. When the diameter of the core included in the core rod and the outer diameter of the core rod are defined as D c and D 1 , respectively, the following formula is satisfied: 1≤D 1 /D c 2 and d 2 , respectively, the following formulas is satisfied: 7 2 /d 2 ≤30 and D 2 ≥90 mm. The method for manufacturing the optical fiber preform comprises inserting the core rod into the glass pipe to seal one end of the glass pipe, setting a clearance between the core rod and the glass pipe to be ≤1 kPa in a reducing pressure atmosphere and/or ≤-70°C of dew point in a dry atmosphere, and sealing the another end of the glass pipe so as to unify the core rod and the glass pipe by heating them. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：降低光纤预制棒的制造成本。解决方案：用于制造单模光纤的光纤预制件的方法包括通过用热源加热芯棒和玻璃管来统一。当芯棒中包含的芯的直径和芯棒的外径分别被定义为D C 和D 1 时，满足以下公式： 1≤D 1 / D C <2。另外，当玻璃管的外径和内径分别被定义为D 2 和d 2 时，满足下列公式：7 2 / d 2 ≤30和D 2 ≥90mm。制造光纤预制棒的方法包括将芯棒插入玻璃管中以密封玻璃管的一端，将芯棒和玻璃管之间的间隙在减压气氛中设定为≤1kPa，和/或在干燥气氛中≤70℃的露点，并密封玻璃管的另一端，以通过加热芯棒和玻璃管来统一。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2007063095A Method of manufacturing glass body and optical fiber 审中-公开
标题翻译：制造玻璃体和光纤的方法
公开(公告)号：JP2007063095A
公开(公告)日：2007-03-15
申请号：JP2005253893
申请日：2005-09-01
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： HARUNA TETSUYA , TARU TOSHIKI , KAKUI MOTOKI , ONISHI MASASHI
IPC分类号： C03B8/04 , C03B37/014 , C03B37/018
CPC分类号： C03B37/018 , C03B37/01853 , C03B37/01869 , C03B2201/30 , C03B2201/32 , C03B2207/32
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a glass body which is used for the manufacture of an optical fiber having small background loss and in which bismuth is added and the optical fiber made from the glass body manufactured by the manufacturing method.
SOLUTION: The glass body manufacturing method is provided with a deposition step S1, a sintering step S2, a diameter reducing step S3 and a collapsing step S4. The glass body manufacturing method is carried out by forming a glass fine particle layer 31 on the inner wall surface 10a of a glass pipe 10 using a MCVD method (deposition step) and after that, sintering the glass fine particle layer to form a glass layer 32 (sintering step), reducing the diameter of the glass pipe having the glass layer formed on the inner wall surface 10a (diameter reducing step) and collapsing the glass pipe having reduced diameter. In the deposition step, the glass fine particle layer is formed with the supply of an organic bismuth compound into the glass pipe and in the sintering step, the glass layer is formed while the organic bismuth compound is supplied into the glass pipe.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种制造玻璃体的方法，该玻璃体用于制造背景损耗小的光纤，并且添加有铋的玻璃体和由制造的玻璃体制成的光纤方法。解决方案：玻璃体制造方法具有沉积步骤S1，烧结步骤S2，直径减小步骤S3和折叠步骤S4。玻璃体制造方法通过使用MCVD法（沉积步骤）在玻璃管10的内壁表面10a上形成玻璃微粒层31进行，然后烧结玻璃微粒层以形成玻璃层 32（烧结步骤），减小在内壁表面10a上形成的玻璃层的玻璃管的直径（直径减小步骤），并且缩小直径减小的玻璃管。在沉积步骤中，通过向玻璃管中供应有机铋化合物形成玻璃微粒层，并且在烧结步骤中，在将有机铋化合物供应到玻璃管中的同时形成玻璃层。版权所有（C）2007，JPO＆INPIT

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