WO2023120480A1 - 融着接続機 - Google Patents

融着接続機 Download PDF

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Publication number
WO2023120480A1
WO2023120480A1 PCT/JP2022/046683 JP2022046683W WO2023120480A1 WO 2023120480 A1 WO2023120480 A1 WO 2023120480A1 JP 2022046683 W JP2022046683 W JP 2022046683W WO 2023120480 A1 WO2023120480 A1 WO 2023120480A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamps
fusion splicer
clamp
optical fibers
splicer according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/046683
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
優太 漁野
亮佑 明尾
貴洋 諏訪
善幸 西澤
龍一郎 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Optifrontier Co Ltd
Original Assignee
Sumitomo Electric Optifrontier Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Optifrontier Co Ltd filed Critical Sumitomo Electric Optifrontier Co Ltd
Priority to KR1020247023197A priority Critical patent/KR20240119864A/ko
Priority to CN202280081819.8A priority patent/CN118369601A/zh
Priority to GB2409865.9A priority patent/GB2629279A/en
Priority to JP2023569436A priority patent/JPWO2023120480A1/ja
Priority to US18/717,464 priority patent/US20250044513A1/en
Publication of WO2023120480A1 publication Critical patent/WO2023120480A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2553—Splicing machines, e.g. optical fibre fusion splicer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
    • G02B6/2556—Alignment or adjustment devices for aligning prior to splicing including a fibre supporting member inclined to the bottom surface of the alignment means

Definitions

  • the present disclosure relates to fusion splicers. This application claims priority based on Japanese Application No. 2021-206959 dated December 21, 2021, and incorporates all the content described in the Japanese Application.
  • Patent Document 1 describes an optical fiber fusion splicer.
  • An optical fiber fusion splicer includes a base having a plurality of fiber grooves for accommodating optical fibers, and a fiber clamp member for holding the optical fibers accommodated in the fiber grooves.
  • the fiber clamp member has a clamp block.
  • a fiber clamp for pressing an optical fiber is connected to the clamp block via a clamp auxiliary body.
  • the clamp block is vertically movable with respect to the fiber clamp.
  • a clamping spring is provided between the clamping block and the clamping auxiliary body. The pressing load of the optical fiber by the fiber clamp changes according to the height position of the clamp block.
  • Patent Document 2 describes a fusion splicer for fusion splicing a pair of optical fibers.
  • a fusion splicer includes a fiber holder that holds an optical fiber, a grooved substrate on which the tip portion of the optical fiber is placed, and a fiber clamp member that presses the optical fiber placed on the grooved substrate.
  • a fusion splicer includes a base having a plurality of V-grooves for positioning each of a plurality of optical fibers, and a plurality of clamps for holding down the plurality of optical fibers placed on each of the plurality of V-grooves. , provided.
  • the plurality of clamps are arranged along the direction in which the plurality of optical fibers are arranged.
  • Each of the plurality of clamps is configured to hold down the optical fiber corresponding to the respective clamp.
  • FIG. 1 is a perspective view showing a fusion splicer according to an embodiment.
  • 2 is a perspective view showing the internal structure of the fusion splicer of FIG. 1.
  • FIG. 3 is a cross-sectional perspective view of the pedestal, clamp, and optical fiber of the fusion splicer of FIG. 1;
  • FIG. 4 is a cross-sectional view showing the base, the clamp, and the optical fiber cut by a plane orthogonal to the extending direction of the optical fiber.
  • FIG. 5 is a perspective view showing a guide portion provided on the base.
  • FIG. 6 is a perspective view showing a support member that supports the clamp;
  • FIG. 7 is a cross-sectional view showing a clamp, a table, and an optical fiber according to a modification;
  • optical fibers such as flat ribbon cables or intermittent ribbon fibers are sometimes fusion spliced.
  • some aspects of the optical fiber may be individually misaligned when placed in the V-groove that positions the optical fiber.
  • the optical fiber placed on the V-groove may adhere to debris generated when the coating of the optical fiber is removed, or dust that has entered from the outside. Debris, dust, or the like may adhere to the optical fiber, causing the optical fiber to become misaligned.
  • An object of the present disclosure is to provide a fusion splicer capable of suppressing axial misalignment.
  • a fusion splicer includes: (1) a table having a plurality of V-grooves for positioning each of a plurality of optical fibers; a plurality of clamps; The plurality of clamps are arranged along the direction in which the plurality of optical fibers are arranged. Each of the plurality of clamps is configured to hold down the optical fiber corresponding to the respective clamp.
  • This fusion splicer includes a base on which a V-groove is formed, and a plurality of clamps that hold down each of the plurality of optical fibers placed on the V-groove.
  • the plurality of clamps are arranged along the direction in which the plurality of optical fibers are arranged.
  • Each of the plurality of clamps holds down the optical fiber corresponding to each clamp. Since each of the plurality of clamps presses the optical fiber individually, it is possible to perform pressing according to each optical fiber. That is, it is possible to make it difficult for the influence of pressing on an optical fiber by a certain clamp to affect other optical fibers pressed by other clamps.
  • the fusion splicer may include a guide section that guides the plurality of clamps to the plurality of V-grooves.
  • the plurality of clamps since the plurality of clamps are guided to the V-groove by the guide portion, the plurality of clamps can be stably operated. Therefore, more appropriate pressing can be realized for a plurality of optical fibers.
  • the fusion splicer may include a guide portion on the base on which the V-groove is formed.
  • the guide portion and the V-groove are provided on the same base, a plurality of clamps can be stably operated. Therefore, more appropriate pressing can be realized for a plurality of optical fibers.
  • the fusion splicer may include a support member that supports a plurality of clamps.
  • the support member may have a guide portion.
  • the guide portion can be easily formed. As a result, it is possible to suppress an increase in cost required for manufacturing the guide portion.
  • the plurality of clamps may be movable independently of each other.
  • the clamp may be made of a low-friction material.
  • the clamp may be made of zirconia.
  • the plurality of clamps includes a pair of first clamps that hold down optical fibers positioned at both ends of the plurality of optical fibers in the alignment direction, and a pair of and a second clamp positioned between the first clamps.
  • the plurality of clamps may include two first clamps and one second clamp.
  • a gap may be formed between the two clamps.
  • the support member may be made of resin.
  • the support member may rotatably support the clamp with respect to the support member.
  • the support member has a shaft portion extending along the direction in which the optical fiber extends, and each of the plurality of clamps is individually rotatable about the shaft portion.
  • the clamp may be U-shaped when viewed along the direction in which the plurality of optical fibers are arranged.
  • the clamp connects the first portion to which one end of the shaft is connected, the second portion to which the other end of the shaft is connected, and the first portion and the second portion. You may have a pressing part.
  • each of the first portion, the second portion, and the pressing portion may be block-shaped.
  • the pressing portion may extend along the direction in which the optical fiber extends below the shaft portion.
  • the guide portion may protrude from the main surface of the table.
  • the fusion splicer may include a pair of guides arranged on the base along the direction in which the plurality of optical fibers are arranged.
  • the support member has a support portion that enters the clamp and rotatably supports and supports the clamp, and a head portion that is provided above the support portion, and the guide portion is the support member. It may extend downward from the head portion.
  • FIG. 1 is a perspective view showing a fusion splicer 1 according to an embodiment.
  • a fusion splicer 1 has a windshield cover 2 on its top.
  • FIG. 2 is a perspective view schematically showing a state in which the windshield cover 2 of the fusion splicer 1 is opened.
  • the fusion splicer 1 has a box-shaped housing 3 .
  • the fusion splicer 1 includes a monitor 7 that displays the state of fusion splicing between optical fibers photographed by a microscope (not shown) arranged inside the housing 3 . Further, the fusion splicer 1 includes a power switch 8 for switching on/off the power of the fusion splicer 1, and a connection start switch 9 for performing fusion splicing of optical fibers.
  • the fusion splicer 4 includes a pair of discharge electrodes 6 for fusion splicing a plurality of optical fibers together, and a pair of optical fiber holders 10 for holding the plurality of optical fibers.
  • a pair of discharge electrodes 6 for fusion splicing a plurality of optical fibers together, and a pair of optical fiber holders 10 for holding the plurality of optical fibers.
  • twelve optical fibers are fusion spliced to other twelve optical fibers.
  • a pair of discharge electrodes 6 fuse a plurality of optical fibers to each other by discharge.
  • the discharge electrode 6 and the optical fiber holder 10 are arranged in this order along the Z-axis direction.
  • the Z-axis direction is the direction in which each of the plurality of optical fibers to be fusion-spliced extends.
  • FIG. 3 is a cross-sectional perspective view showing the periphery of the discharge electrode 6 in the fusion splicer 1.
  • the fusion splicer 1 includes a table 11 on which a plurality of optical fibers F to be fusion-spliced are placed, and a clamp 20 for holding the optical fibers F placed on the table 11.
  • the base 11 has a main surface 12 on which a plurality of optical fibers F are placed.
  • a plurality of optical fibers F are arranged on the main surface 12 along the X-axis direction that intersects the Z-axis direction.
  • the X-axis direction is an in-plane direction of the main surface 12 and a direction perpendicular to the Z-axis direction.
  • a pair of discharge electrodes 6 are arranged on both sides in the X-axis direction when viewed from the plurality of optical fibers F. As shown in FIG.
  • FIG. 4 is an enlarged sectional view of the pair of discharge electrodes 6, the base 11, the clamp 20 and the optical fiber F.
  • the base 11 has a plurality of V-grooves 13 into which the optical fibers F enter on the main surface 12.
  • the fusion splicer 1 includes a plurality of clamps 20 arranged along the X-axis direction in which the plurality of optical fibers F are arranged.
  • clamp 20 is constructed from a low-friction material.
  • clamp 20 is made of zirconia. In this case, even if the plurality of clamps 20 come into contact with each other, the slidability of the clamps 20 can be ensured.
  • the plurality of clamps 20 includes a pair of first clamps 21 that hold down the optical fibers F positioned at both ends in the X-axis direction among the plurality of optical fibers F, and a first clamp positioned between the pair of first clamps 21 . 2 clamps 22 .
  • the multiple clamps 20 include two first clamps 21 and one second clamp 22 .
  • each first clamp 21 holds three optical fibers F and one second clamp 22 holds six optical fibers F.
  • a gap S is formed between two clamps 20 that are arranged side by side along the X-axis direction, and the plurality of clamps 20 are independent of each other in the XYZ directions (X-axis direction, Y-axis direction, and Z-axis direction). ).
  • the fusion splicer 1 includes a support member 40 that supports multiple clamps 20 .
  • the support member 40 is made of resin.
  • the support member 40 rotatably supports the clamp 20 with respect to the support member 40 .
  • the support member 40 has a shaft portion 40b extending along the Z-axis direction in which the optical fiber F extends, and each of the clamps 20 is individually rotatable around the shaft portion 40b.
  • the clamp 20 is U-shaped when viewed along the X-axis direction, which is the direction in which the plurality of optical fibers F are arranged and the direction in which the plurality of clamps 20 are arranged.
  • the clamp 20 connects the first portion 20d to which one end of the shaft portion 40b is connected, the second portion 20g to which the other end of the shaft portion 40b is connected, and the first portion 20d and the second portion 20g. and a pressing portion 20h.
  • Each of the first portion 20d, the second portion 20g, and the pressing portion 20h is, for example, block-shaped.
  • the pressing portion 20h extends along the Z-axis direction below the shaft portion 40b.
  • the fusion splicer 1 may include a guide section 30 that guides the clamp 20 .
  • FIG. 5 is a perspective view showing an example of the table 11 provided with the guide portion 30. As shown in FIG. As shown in FIG. 5, the guide portion 30 protrudes from the main surface 12 of the base 11. As shown in FIG. The guide portion 30 is provided to guide movement of the clamp 20 in the Y-axis direction.
  • the Y-axis direction intersects both the Z-axis direction and the X-axis direction, and is the direction in which the clamp 20 holds the optical fiber F. As shown in FIG.
  • the fusion splicer 1 includes a pair of guide portions 30 arranged along the X-axis direction on the table 11 , and each guide portion 30 is located on the opposite side of the first clamp 21 to the second clamp 22 .
  • each clamp 20 moves along the Y-axis direction while being inserted between the pair of guide portions 30 .
  • the V-groove 13 and the plurality of optical fibers F are clamped in a state in which the rotatable range of the first clamp 21 is restricted to a specific range by the guide portion 30 and the second clamp 22, and the rotatable range of the second clamp 22 is restricted to a specific range. move towards
  • the guide portion 30 has an inner surface 31 facing the second clamp 22 , an outer surface 32 facing away from the inner surface 31 , and a top surface 33 located at the upper end of the outer surface 32 . Further, the guide portion 30 includes an inclined surface 34 extending from the upper end of the inner surface 31 in a direction inclined with respect to both the X-axis direction and the Y-axis direction, and a top surface 33 and the inclined surface 34 of the guide portion 30. and a curved surface 35 that curves outward.
  • FIG. 6 is a perspective view showing the support member 40.
  • the support member 40 includes, for example, a support portion 41 that enters the clamp 20 and rotatably supports the clamp 20, a head portion 42 provided above the support portion 41, a head and an arm portion 43 extending from the portion 42 along the Z-axis direction.
  • the support member 40 comprises a plurality of supports 41 , for example the number of supports 41 is the same as the number of clamps 20 .
  • the support portion 41 has, for example, a rod shape extending in the Y-axis direction.
  • the head portion 42 includes a body portion 42b positioned above the support portion 41, a first projection portion 42c projecting upward from the body portion 42b, and a second projection portion 42d projecting from the body portion 42b toward the arm portion 43.
  • the arm portion 43 has an upper surface 43b extending in both the Z-axis direction and the X-axis direction, and a side surface 43c extending in both the Y-axis direction and the Z-axis direction.
  • the arm portion 43 has a first hole 43d recessed from the upper surface 43b, a recess 43f located on the opposite side of the head portion 42 when viewed from the first hole 43d, and a second hole 43g recessed from the side surface 43c.
  • the recess 43f is formed in the upper surface 43b and extends along the X-axis direction on the upper surface 43b.
  • the fusion splicer 1 includes, for example, a guide portion 50 extending downward from the head portion 42 of the support member 40 .
  • the fusion splicer 1 includes a pair of guide portions 50 arranged along the X-axis direction.
  • the pair of guide portions 50 are provided along both end sides of the plurality of support portions 41 in the X-axis direction.
  • each clamp 20 moves along the Y-axis direction while being inserted between the pair of guide portions 50 .
  • the V-groove 13 and the plurality of optical fibers F are clamped in a state where the rotatable range of the first clamp 21 is restricted to a specific range by the guide portion 50 and the second clamp 22 , and the second clamp 22 is restricted to a specific range by the first clamp 21 .
  • the guide portion 50 has a plate shape.
  • the guide portion 50 has, for example, an inner surface 51 facing the support portion 41 and an outer surface 52 facing away from the inner surface 51 .
  • the guide portion 50 includes an inclined surface 54 extending in directions inclined in both the Z-axis direction and the X-axis direction, and a curved surface that bulges outward from the guide portion 50 between the outer surface 52 and the inclined surface 54 .
  • the fusion splicer 1 includes a table 11 on which a V-groove 13 is formed, and a plurality of clamps 20 that hold down the plurality of optical fibers F placed on the V-groove 13, respectively.
  • the plurality of clamps 20 are arranged along the direction in which the plurality of optical fibers F are arranged.
  • the plurality of clamps 20 are independent of each other, and each of the plurality of clamps 20 independent of each other holds a different optical fiber F.
  • a plurality of optical fibers F are divided into a plurality of groups (for example, 12 optical fibers are divided into groups of 3, 6, and 3), and each group has one The optical fiber F is held by one clamp 20 . Therefore, even if one clamp 20 cannot hold down the optical fiber F well due to debris or dust, the clamp 20 can be adjusted while changing the conditions (for example, the load to hold down) that only the one clamp 20 is pressed down.
  • the fusion splicer 1 may include a guide section 30 that guides the plurality of clamps 20 to the table 11 having the plurality of V-grooves 13 .
  • the plurality of clamps 20 since the plurality of clamps 20 are guided to the V groove 13 by the guide portion 30, the plurality of clamps 20 can be stably operated. Therefore, it is possible to realize more appropriate pressing against the plurality of optical fibers F.
  • FIG. A similar effect can be obtained from the guide portion 50 provided on the support member 40 .
  • the fusion splicer 1 may include the support member 40 that supports the clamps 20 , and the support member 40 may have the guide section 50 .
  • the support member 40 since the support member 40 has the guide portion 50, the guide portion 50 can be easily formed. As a result, it is possible to suppress an increase in cost for manufacturing the guide portion 50 .
  • the guide portion 50 can be formed by integral molding of resin.
  • the present invention is not limited to the above-described embodiments, and can be modified as appropriate within the scope of the gist described in the claims.
  • the shape, size, number, material, and layout of each part of the fusion splicer are not limited to the above-described embodiments, and can be changed as appropriate.
  • the table 11 has the guide portion 30 and the support member 40 has the guide portion 50 .
  • a fusion splicer that does not have at least one of the guide section 30 and the guide section 50 may be used.
  • the fusion splicer may have as many clamps 60 as there are V-grooves 13, as shown in FIG. That is, a fusion splicer may have twelve clamps 60 .
  • the number of clamps need not be the same as the number of optical fibers F, and may be two or more and less than or equal to the number of optical fibers F. Thus, the number of clamps can be changed as appropriate.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
PCT/JP2022/046683 2021-12-21 2022-12-19 融着接続機 Ceased WO2023120480A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020247023197A KR20240119864A (ko) 2021-12-21 2022-12-19 융착 접속기
CN202280081819.8A CN118369601A (zh) 2021-12-21 2022-12-19 熔接机
GB2409865.9A GB2629279A (en) 2021-12-21 2022-12-19 Fusion splicer
JP2023569436A JPWO2023120480A1 (https=) 2021-12-21 2022-12-19
US18/717,464 US20250044513A1 (en) 2021-12-21 2022-12-19 Fusion splicer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-206959 2021-12-21
JP2021206959 2021-12-21

Publications (1)

Publication Number Publication Date
WO2023120480A1 true WO2023120480A1 (ja) 2023-06-29

Family

ID=86902460

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/046683 Ceased WO2023120480A1 (ja) 2021-12-21 2022-12-19 融着接続機

Country Status (6)

Country Link
US (1) US20250044513A1 (https=)
JP (1) JPWO2023120480A1 (https=)
KR (1) KR20240119864A (https=)
CN (1) CN118369601A (https=)
GB (1) GB2629279A (https=)
WO (1) WO2023120480A1 (https=)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62272211A (ja) * 1986-05-09 1987-11-26 ビ−アイシ−シ−　パブリツク　リミテツド　コンパニ− 光フアイバリボンの融着方法および装置
JPH01285903A (ja) * 1988-05-13 1989-11-16 Fujikura Ltd 光ファイバの接続方法及びテープ化器具
JPH05224023A (ja) * 1992-02-14 1993-09-03 Furukawa Electric Co Ltd:The 光ファイバ心線の把持ホルダ
JPH06258541A (ja) * 1993-03-03 1994-09-16 Fujikura Ltd 光ファイバのクランプ機構
JPH06347660A (ja) * 1993-06-02 1994-12-22 Sumitomo Electric Ind Ltd 光ファイバの融着接続装置
JPH08146243A (ja) * 1994-11-22 1996-06-07 Sumitomo Electric Ind Ltd 光ファイバ調心装置
JPH0990152A (ja) * 1995-09-28 1997-04-04 Furukawa Electric Co Ltd:The 多数本の光ファイバの一括融着接続方法
US20020009271A1 (en) * 2000-07-21 2002-01-24 Herve Patrick J. Method and apparatus for splicing optical fibers
JP2002286964A (ja) * 2001-03-27 2002-10-03 Sumiden Asahi Industries Ltd 光ファイバの押さえ機構
JP2011158728A (ja) * 2010-02-01 2011-08-18 Nippon Telegr & Teleph Corp <Ntt> レーザ融着治具
JP2012230201A (ja) * 2011-04-25 2012-11-22 Nippon Telegr & Teleph Corp <Ntt> レーザ融着接続用光ファイバ整列収容治具
WO2013005640A1 (ja) * 2011-07-01 2013-01-10 Ｓｅｉオプティフロンティア株式会社 光ファイバ融着接続機
JP2013037136A (ja) * 2011-08-05 2013-02-21 Nippon Telegr & Teleph Corp <Ntt> レーザ融着用ファイバ整列部品

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60258541A (ja) * 1984-06-05 1985-12-20 Fuji Photo Film Co Ltd 写真感光材料
JP5209126B1 (ja) 2012-03-29 2013-06-12 株式会社フジクラ 光ファイバ融着接続機

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62272211A (ja) * 1986-05-09 1987-11-26 ビ−アイシ−シ−　パブリツク　リミテツド　コンパニ− 光フアイバリボンの融着方法および装置
JPH01285903A (ja) * 1988-05-13 1989-11-16 Fujikura Ltd 光ファイバの接続方法及びテープ化器具
JPH05224023A (ja) * 1992-02-14 1993-09-03 Furukawa Electric Co Ltd:The 光ファイバ心線の把持ホルダ
JPH06258541A (ja) * 1993-03-03 1994-09-16 Fujikura Ltd 光ファイバのクランプ機構
JPH06347660A (ja) * 1993-06-02 1994-12-22 Sumitomo Electric Ind Ltd 光ファイバの融着接続装置
JPH08146243A (ja) * 1994-11-22 1996-06-07 Sumitomo Electric Ind Ltd 光ファイバ調心装置
JPH0990152A (ja) * 1995-09-28 1997-04-04 Furukawa Electric Co Ltd:The 多数本の光ファイバの一括融着接続方法
US20020009271A1 (en) * 2000-07-21 2002-01-24 Herve Patrick J. Method and apparatus for splicing optical fibers
JP2002286964A (ja) * 2001-03-27 2002-10-03 Sumiden Asahi Industries Ltd 光ファイバの押さえ機構
JP2011158728A (ja) * 2010-02-01 2011-08-18 Nippon Telegr & Teleph Corp <Ntt> レーザ融着治具
JP2012230201A (ja) * 2011-04-25 2012-11-22 Nippon Telegr & Teleph Corp <Ntt> レーザ融着接続用光ファイバ整列収容治具
WO2013005640A1 (ja) * 2011-07-01 2013-01-10 Ｓｅｉオプティフロンティア株式会社 光ファイバ融着接続機
JP2013037136A (ja) * 2011-08-05 2013-02-21 Nippon Telegr & Teleph Corp <Ntt> レーザ融着用ファイバ整列部品

Also Published As

Publication number Publication date
JPWO2023120480A1 (https=) 2023-06-29
GB2629279A (en) 2024-10-23
US20250044513A1 (en) 2025-02-06
GB202409865D0 (en) 2024-08-21
KR20240119864A (ko) 2024-08-06
CN118369601A (zh) 2024-07-19

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