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2. 发明专利

JP2018087988A 屈曲光ファイバの製造方法审中-公开
公开(公告)号：JP2018087988A
公开(公告)日：2018-06-07
申请号：JP2017253095
申请日：2017-12-28
申请人：住友電気工業株式会社
发明人：金内靖臣 , 水戸瀬雄一
IPC分类号： G02B6/04 , G02B6/46 , C03B37/15 , G02B6/02
摘要：【課題】光ファイバの細径化を抑制でき、所望の曲率半径を実現できる屈曲光ファイバの製造方法を提供する。【解決手段】屈曲光ファイバの製造方法は、光ファイバ1の第1部位に赤外レーザパルス光Lを照射し、光ファイバ1を細径化しない加熱状態で加熱軟化させつつ、軟化した光ファイバ1を第1屈曲加工領域C1で第1角度θ1に屈曲させる第1屈曲工程と、第1部位と異なる光ファイバ1の第2部位に赤外レーザパルス光Lを照射し、光ファイバ1を細径化しない加熱状態で加熱軟化させつつ、軟化した光ファイバ1を第2屈曲加工領域C2で第2角度θ2に屈曲させる第2屈曲工程とを有し、第1部位および第2部位を含む領域で、光ファイバ1を所定の曲率半径に屈曲させる。【選択図】図4

3. 发明专利

JP5333715B2 Glass, crystallized glass, manufacturing method and an optical member of the crystallized glass 有权
公开(公告)号：JP5333715B2
公开(公告)日：2013-11-06
申请号：JP2008124671
申请日：2008-05-12
申请人：国立大学法人東北大学 , 旭硝子株式会社
发明人：博和正井 , 巧藤原 , 盛輝大原 , 直樹杉本
IPC分类号： C03C13/04 , C03B32/02 , C03B37/15 , C03C10/02 , G02B6/00
CPC分类号： C03C3/062 , C03C3/064 , C03C3/078 , C03C3/253 , C03C13/006
摘要： PROBLEM TO BE SOLVED: To provide glass from which a fresnoite type crystal having high optical nonlinearity can be selectively obtained and crystallized glass having sufficiently high optical nonlinearity can be efficiently produced and which can be drawn to a fiber shape, the crystallized glass having the fresnoite type crystal precipitated which is obtained from the glass , a manufacturing method for the crystallized glass, and an optical component. SOLUTION: The glass for forming the optical component for use in optical guided waves contains 20 to 35 mol% of an oxide of an alkaline-earth metal, 10 to 15 mol% of an oxide of titanium, 10 to 40 mol% of an oxide of germanium and 10 to 60 mol% of an oxide of silicon, and has a difference between the crystallization temperature and the glass transition temperature of 100°C or more. The crystallized glass is obtained by heat-treating the glass. COPYRIGHT: (C)2010,JPO&INPIT

4. 发明专利

JP4778616B2 Optical fibers and the unique micropipette having a lens with an aperture of sub-wavelength band 有权
公开(公告)号：JP4778616B2
公开(公告)日：2011-09-21
申请号：JP2000587211
申请日：1999-12-03
申请人：アーロン・ルイスAaron LEWIS
发明人：アーロン・ルイス
IPC分类号： G02B6/02 , C03B23/057 , C03B23/09 , C03B37/15 , G01Q60/22 , G02B6/24 , G02B6/255 , G02B6/42
CPC分类号： G01Q60/22 , C03B23/057 , C03B23/099 , C03B37/15 , G01Q60/06 , G02B6/241 , G02B6/2552

5. 发明专利

JP2008273769A Optical fiber, its manufacturing method, and optical fiber manufacturing apparatus 审中-公开
标题翻译：光纤，其制造方法和光纤制造设备
公开(公告)号：JP2008273769A
公开(公告)日：2008-11-13
申请号：JP2007117277
申请日：2007-04-26
申请人： Hitachi Cable Ltd , Toyota Gakuen , 学校法人トヨタ学園 , 日立電線株式会社
发明人： KOJIMA MASATSUGU , HONGO AKISHI , OSONO KAZUMASA , YO HEI , SAITO KAZUYA
IPC分类号： C03B37/12 , C03B37/15 , G02B6/02
CPC分类号： G02B6/02066 , C03B37/027 , C03B2203/18 , C03B2205/20 , G02B6/03622 , G02B2006/02157 , H01S3/06729 , H01S3/06745 , H01S3/094007
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber capable of efficiently coupling an excited light into a gain core without optimizing the geometric structure of sectional shape of the optical fiber and the installed shape of the optical fiber. SOLUTION: The optical fiber 1 is equipped with a core 2 to which a rare-earth element as a gain medium is added and a clad 3 which is formed at the outer periphery of the core 2 and couples an excited light propagated in the clad 3 into the core 2, wherein the clad 3 has an uneven shape along the longitudinal direction of the clad 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够有效地将激发光耦合到增益芯中的光纤，而不优化光纤的截面形状的几何结构和光纤的安装形状。解决方案：光纤1配备有作为增益介质的稀土元素的核心2和在核心2的外周形成的包层3，并且耦合在包层3形成芯2，其中包层3沿着包层3的纵向具有不均匀的形状。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2006069835A Porous glass fiber molded body and its manufacturing method 有权
标题翻译：多孔玻璃纤维成型体及其制造方法
公开(公告)号：JP2006069835A
公开(公告)日：2006-03-16
申请号：JP2004253953
申请日：2004-09-01
申请人： Isolite Insulating Products Co Ltd , イソライト工業株式会社
发明人： KINOSHITA YASUSHI , HORIBA HIROTERU
IPC分类号： C03B37/15 , D04H3/004 , D04H3/04
摘要： PROBLEM TO BE SOLVED: To provide a porous glass fiber molded body having a plurality of through-holes juxtaposed linearly in one direction which is suitable for applications such as a filter, and can be manufactured inexpensively by a simple method.
SOLUTION: This porous glass fiber molded body is manufactured by piling up a plurality of glass fibers or glass fiber precursors, or their strands, juxtaposing in one direction, and heat-treating them as it is under pressure, or heat-treating them after press molding to fuse the glass fibers or the glass fiber precursors leaving a gap between them. The obtained glass fiber molded body has a plurality of straw-like through-holes without branching arranged in one direction, the opening diameter of which can be made 10 μm or below.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种多孔玻璃纤维成型体，该多孔玻璃纤维成型体具有多个贯穿孔，其一个方向上线性并列，适合于诸如过滤器的应用，并且可以通过简单的方法廉价地制造。解决方案：这种多孔玻璃纤维成型体是通过堆叠多个玻璃纤维或玻璃纤维前体或它们的股线在一个方向上并列并在压力下进行热处理或热处理而制造的它们在压制成型之后熔化玻璃纤维或玻璃纤维前体，在它们之间留下间隙。所得到的玻璃纤维成形体具有多个不具有分支的秸秆状通孔，其一个方向的开口直径可以为10μm以下。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005298289A Method of manufacturing optical fiber for ultraviolet transmission, optical fiber for ultraviolet transmission formed by the same manufacturing method and bundle light guide 审中-公开
标题翻译：制造用于超紫外线传输的光纤的方法，由相同的制造方法和光束指南形成的用于超紫外线传输的光纤
公开(公告)号：JP2005298289A
公开(公告)日：2005-10-27
申请号：JP2004118639
申请日：2004-04-14
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： IDEI YASUHIRO , BABA TOSHIYUKI , TATEISHI KAZUYUKI
IPC分类号： G02B6/04 , C03B37/00 , C03B37/15 , C03C13/04 , C03C25/42 , G02B6/00 , G02B6/44
CPC分类号： Y02P40/57
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing an optical fiber having excellent ultraviolet resistant characteristic kept for a long time. SOLUTION: In the optical fiber for ultraviolet transmission which is formed by heating an optical fiber preform having a core and a clad and drawing, the core of the optical fiber preform contains at least a specific quantity of OH group and/or F and comprises silica glass satisfying following requirements (A) and (B) in the irradiation with 24 mJ/cm 2 ArF excimer laser at an ordinary temperature under atmospheric pressure with 2×10 6 shots and the outer periphery of the optical fiber has a coating layer formed by applying molten aluminium or the alloy thereof and solidifying. After providing a coating layer, a heat treatment of (C) is carried out. (A) An E' center and NBOCH do not be produced. (B) The E' center and NBOHC are formed. (C) A heat treatment is carried out at 350-450°C for ≥0.5 hr heat treatment time. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种长时间保持的具有优异的耐紫外线特性的光纤的制造方法。解决方案：在通过加热具有芯和包层和拉伸的光纤预制棒形成的用于紫外线透射的光纤中，光纤预制棒的芯至少包含特定量的OH基和/或F 并且在常温常压下用24×J / cm 2 SPF的ArF准分子激光器照射2×10 -6个/分钟，并且包括满足以下要求（A）和（B）的二氧化硅玻璃。 SP>射击，并且光纤的外周具有通过施加熔融铝或其合金而形成的涂层，并固化。在提供涂层之后，进行（C）的热处理。（A）不生产E'中心和NBOCH。（B）形成E'中心和NBOHC。（C）热处理时间为350〜450℃，热处理时间≥0.5小时。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005164090A Low-profile high temperature electric furnace with plate-like heating element 有权
标题翻译：低型高温电炉，带板式加热元件
公开(公告)号：JP2005164090A
公开(公告)日：2005-06-23
申请号：JP2003401424
申请日：2003-12-01
申请人： Nikko Materials Co Ltd , 株式会社日鉱マテリアルズ
发明人： TAKAMURA HIROSHI
IPC分类号： H05B3/14 , C03B37/029 , C03B37/15 , F27D11/02 , G02B6/255 , H05B3/66
CPC分类号： C03B37/029 , C03B2205/63 , G02B6/2551 , G02B6/2552
摘要： PROBLEM TO BE SOLVED: To provide a low-profile high temperature electric furnace with a plate-like heating element having a minimized high temperature zone for heating part of a liner, tubular, plate-like or rod-like heated object up to a high temperature, particularly for heating part of an optical fiber up to a high temperature in a short time during heating work such as fusion bonding, drawing or core enlargement of the optical fiber.
SOLUTION: Three or five slits are alternately formed in the plate-like heating element having feeding parts at both ends in the cross direction of the heating element. Thereby, a high temperature heating part having a U-shape or a M-shape with the continued U-shape in view from the side face of the heating element and a smaller width is provided in a central region of the heating element. The linear, tubular, plate-like or rod-like heated object is inserted into the slit located at the center perpendicularly to the plate-like heating element for heating work. The low-profile high temperature electric furnace is provided with such a plate-like heating element.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有最小化的高温区域的板状加热元件的低轮廓高温电炉，用于将衬套，管状，板状或棒状加热物体的一部分加热特别是在诸如光纤的熔接，拉伸或芯扩大的加热工作期间，在短时间内将光纤的一部分加热到高温。解决方案：在板状加热元件中交替地形成三个或五个狭缝，该加热元件在加热元件的横向两端具有进给部分。因此，在加热元件的中心区域设置有从加热元件的侧面观察到具有U形的U形或M形的高温加热部，并且具有较小的宽度。线状，管状，板状或棒状加热物体插入位于垂直于板状加热元件的中心的狭缝中，用于加热工件。低调高温电炉设置有这种板状加热元件。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2004325796A Method for manufacturing optical waveguide diffraction grating element 审中-公开
$Method for manufacturing optical waveguide diffraction grating element$
公开(公告)号：JP2004325796A
公开(公告)日：2004-11-18
申请号：JP2003120392
申请日：2003-04-24
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： MURASHIMA KIYOTAKA , HASHIMOTO TAKESHI , SHIBATA TOSHIKAZU , INOUE SUSUMU , ISHIKAWA SHINJI
IPC分类号： G02B5/18 , C03B37/15 , G02B6/02 , G02B6/10 , G02B6/16
摘要： PROBLEM TO BE SOLVED: To provide a method in which the relaxation rate of refractive index modulation in the actual operation is reducible as a method for manufacturing an optical waveguide diffraction grating element based upon an optical waveguide to which B elements are added. SOLUTION: Mutually different relaxation prediction expressions are used for an AC component and a DC component of refractive index modulation of a diffraction grating and the optical waveguide type diffraction grating element is aged under conditions determined based upon the relaxation prediction expressions. The relaxation prediction expressions of the AC component and DC component are represented as "η(t)=η 0 t - α+η s ". Parameters α, η 0 , and η s are constants depending upon temperature in the relaxation expression of the AC component and constants depending upon temperature and B-element addition density in the relaxation expression of the DC component. COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2004279797A Photonic crystal fiber 审中-公开
公开(公告)号：JP2004279797A
公开(公告)日：2004-10-07
申请号：JP2003071886
申请日：2003-03-17
申请人： Mitsubishi Cable Ind Ltd , 三菱電線工業株式会社
发明人： MIYAKE KAZUYUKI , HACHIWAKA MASAYOSHI
IPC分类号： G02B6/00 , C03B37/15 , G02B6/02 , G02B6/10 , G02B6/255 , G02B6/26
CPC分类号： G02B6/2552 , G02B6/02333 , G02B6/02347 , G02B6/02376 , G02B6/262
摘要： PROBLEM TO BE SOLVED: To provide a photonic crystal fiber which prevents water from being deposited on an end surface and is advantageously connected with low connection loss even if signal light projected from a light source unit has variance in projection angle. SOLUTION: A tip of a PC fiber 10 is heated and fused to form a tip spherical part 14 which is formed in a nearly spherical shape and has its diameter expanded exceeding a fiber main body part having a thin hole 12a. An end surface 15 of (a plurality of) thin holes 12a of a clad 12 is formed at a position retracting from the final end position of a virtual plane 18 symmetrical with a front 17 of the tip spherical part 14 about a plane orthogonal to the axis of the PC fiber 10 at a maximum-diameter position of the tip spherical part 14, and thin holes 12a in the section from the tip spherical part 14 to the end surface 15 of thin holes 12a of the clad 12 are sealed through a heat treatment. COPYRIGHT: (C)2005,JPO&NCIPI

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