WO2022092309A1 - 光伝送システムの施工方法および現場施工セット - Google Patents
光伝送システムの施工方法および現場施工セット Download PDFInfo
- Publication number
- WO2022092309A1 WO2022092309A1 PCT/JP2021/040201 JP2021040201W WO2022092309A1 WO 2022092309 A1 WO2022092309 A1 WO 2022092309A1 JP 2021040201 W JP2021040201 W JP 2021040201W WO 2022092309 A1 WO2022092309 A1 WO 2022092309A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical fiber
- extender
- face
- division multiplexing
- wavelength division
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 title claims description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 85
- 239000004606 Fillers/Extenders Substances 0.000 claims abstract description 65
- 239000013308 plastic optical fiber Substances 0.000 claims abstract description 54
- 238000005498 polishing Methods 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Images
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
- G02B6/25—Preparing the ends of light guides for coupling, e.g. cutting
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3898—Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping
Definitions
- the present invention relates to a construction method of an optical transmission system and a field construction set.
- Patent Document 1 A construction method for connecting an optical fiber to a wavelength division multiplexing optical extender is known (see, for example, Patent Document 1 below).
- the optical fiber described in Patent Document 1 is made of glass.
- the optical fiber is prepared in a long length and transferred to the construction site. Therefore, at the construction site, the optical fiber is cut to an appropriate length to form an end face, and then the end face is connected to a wavelength division multiplexing optical extender.
- the optical fiber is made of glass, the above-mentioned end face becomes rough. Therefore, it is necessary to polish the end face to make it finer before connecting the end face to the wavelength division multiplexing optical extender. That is, it is necessary to smooth the end face. Therefore, this construction method is complicated because the number of steps for smoothing the end face is increased.
- the present invention provides a construction method of an optical transmission system and an on-site construction set that can be easily constructed.
- the present invention (1) comprises a first step of cutting a plastic optical fiber to form an end face of the plastic optical fiber at a construction site, and a second step of connecting the end face to an optical extender without polishing. Including the construction method of the optical transmission system to be provided.
- the plastic optical fiber is cut to form the end face of the plastic optical fiber, so that the end face becomes smooth. Therefore, in the second step, the end face can be connected to the optical extender without polishing. As a result, this construction method is simple.
- the present invention (2) includes the construction method of the optical transmission system according to (1), wherein the optical extender is a wavelength division multiplexing optical extender.
- the optical extender is a wavelength division multiplexing optical extender, more video information can be transmitted with a smaller number of plastic optical fibers.
- the present invention (3) includes the construction method of the optical transmission system according to (1) or (2), wherein the first step and the second step are carried out at the same construction site.
- the first end face is connected to the wavelength division multiplexing optical extender at the same construction site as in the first step without polishing. Therefore, this construction method is simple.
- the present invention (4) is a field construction set for carrying out the construction method of the optical transmission system according to any one of (1) to (3), and includes a connector into which a plastic optical fiber can be inserted and the above.
- the plastic optical fiber is cut using a connector to form the end face of the plastic optical fiber to form a smooth end face, and the connector is used at the construction site without polishing the end face. Can be connected to an optical extender. As a result, this on-site construction set can easily carry out on-site construction.
- the construction method of the optical transmission system of the present invention is simple.
- the on-site construction set of the present invention can easily carry out on-site construction.
- FIG. 1A to 1C are process diagrams illustrating an embodiment of a construction method of the optical transmission system of the present invention.
- FIG. 1A is a step of preparing a plastic optical fiber.
- FIG. 1B is the first step.
- FIG. 1C is a second step.
- FIGS. 1A to 1C An embodiment of the construction method of the optical transmission system of the present invention will be described with reference to FIGS. 1A to 1C.
- This construction method includes a first step and a second step. The first step and the second step are carried out in order.
- the plastic optical fiber 1 is cut at the construction site, and then, as shown in FIG. 1B, the connectors 14 are attached to the ends 11 and 12 of the plastic optical fiber 1. After that, the ends 11 and 12 protruding from the connector 14 are cut.
- the plastic optical fiber 1 is, for example, long.
- the plastic optical fiber 1 includes a core 4, a clad 5, and a coating layer 6.
- the core 4, the clad 5, and the covering layer 6 are arranged in order from the inside to the outside.
- the inside is the side closer to the central portion of the plastic optical fiber 1 in the direction orthogonal to the elongated direction.
- the outside is the side away from the central portion of the plastic optical fiber 1 in the above-mentioned orthogonal direction.
- the material of the core 4 and the clad 5 is plastic, preferably transparent plastic. Examples of the plastic include acrylic resin and epoxy resin.
- the refractive index of the core 4 is higher than that of the clad 5.
- the material of the coating layer 6 is not particularly limited.
- the size of the plastic optical fiber 1 is not particularly limited.
- the mode of the plastic optical fiber 1 is not particularly limited. Examples of the mode include a multi-mode and a single mode.
- the plastic optical fiber 1 is singular or plural.
- the plastic optical fiber 1 is preferably singular from the viewpoint of workability.
- the cutting method (first cutting) of the plastic optical fiber 1 is not particularly limited. As a cutting method, for example, a method using a blade 13 can be mentioned.
- the plastic optical fiber 1 is cut so that the length of the plastic optical fiber 1 after cutting corresponds to the distance between the two wavelength division multiplexing optical extenders 7 and 8 (see FIG. 1B) described later.
- the connector 14 has a through hole into which the ends 11 and 12 of the plastic optical fiber 1 can be inserted.
- the ends 11 and 12 are inserted into the through holes of the connector 14, and the end edges of the ends 11 and 12 are projected from the connector 14.
- the connector 14 is attached to the ends 11 and 12 of the plastic optical fiber 1.
- the plastic optical fiber 1 is immovable in the longitudinal direction with respect to the connector 14.
- This cutting is not particularly limited.
- the same method as the first cutting can be mentioned, and for example, a method using a blade 13 can be mentioned.
- Two end faces 2 and 3 are formed by cutting the plastic optical fiber 1.
- the two end faces 2 and 3 are cut planes of the plastic optical fiber 1.
- the two end faces 2 and 3 include a first end face 2 and a second end face 3.
- the second end face 3 is an end face opposite to the first end face 2 in the longitudinal direction.
- the core 4 and the clad 5 are exposed.
- the cut surface of the glass optical fiber is rough, each of the first end surface 2 and the second end surface 3 is smooth.
- the arithmetic mean roughness Ra of each of the first end face 2 and the second end face 3 is, for example, 1 ⁇ m or less, preferably 0.1 ⁇ m or less, more preferably 0.01 ⁇ m or less, and for example, 0. It is 1 nm or more.
- the arithmetic mean roughness Ra is measured based on JIS B 0601 (2013).
- the two end faces 2 and 3 are flush with the tip surface of the connector 14.
- the end faces 2 and 3 are connected to the wavelength division multiplexing optical extenders 7 and 8 at the construction site without polishing.
- the wavelength division multiplexing optical extenders 7 and 8 include a first wavelength division multiplexing optical extender 7 and a second wavelength division multiplexing optical extender 8.
- the first wavelength division multiplexing optical extender 7 is an example of an optical extender.
- the first wavelength division multiplexing optical extender 7 is arranged in the vicinity of an optical transmitting side device (not shown). Specifically, the first wavelength division multiplexing optical extender 7 and the optical transmitting side device are arranged, for example, at the same construction site.
- the construction site where the first end face 2 is connected to the first wavelength division multiplexing optical extender 7 in the second step is the same as the construction site where the first end face 2 is formed in the first step.
- Examples of the optical transmitter include a Blu-ray player, a DVD player, a personal computer, and a video camera.
- the first wavelength division multiplexing optical extender 7 constitutes the first field construction set 15 together with the connector 14. That is, the first field construction set 15 includes a first wavelength division multiplexing optical extender 7 and a connector 14.
- the second wavelength division multiplexing optical extender 8 is an example of an optical extender.
- the second wavelength division multiplexing optical extender 8 is located remotely, for example, with respect to the first wavelength division multiplexing optical extender 7.
- the second wavelength division multiplexing optical extender 8 is arranged in the vicinity of an optical receiving side device (not shown).
- the second wavelength division multiplexing optical extender 8 and the optical receiving side device are arranged at the same construction site, for example.
- the construction site where the second end face 3 is connected to the second wavelength division multiplexing optical extender 8 in the second step is the same as the construction site where the second end face 3 is formed in the first step.
- Examples of the optical receiving side device include an image display device. Examples of the image display device include digital signage (electronic signboard) and the like.
- the second wavelength division multiplexing optical extender 8 together with the connector 14 constitutes a second field construction set 25. That is, the second field set 25 includes a second wavelength division multiplexing optical extender 8 and a connector 14.
- Examples of the wavelength division multiplexing optical extenders 7 and 8 include an SC connector.
- the wavelength division multiplexing optical extenders 7 and 8 include, for example, an insertion port 10 and a lens 9.
- the end portions 11 and 12 of the plastic optical fiber 1 and the tip end portion of the connector 14 can be inserted into the insertion port 10.
- the ends 11 and 12 of the plastic optical fiber 1 include a first end portion 11 including a first end surface 2 and a second end portion 12 including a second end surface 3.
- the lens 9 faces the insertion port 10.
- the first end portion 11 of the plastic optical fiber 1 and the connector 14 are inserted into the insertion port 10 of the first wavelength division multiplexing optical extender 7.
- the first end surface 2 of the first end portion 11 faces the lens 9 of the first wavelength division multiplexing optical extender 7.
- the plastic optical fiber 1 is optically connected to the wavelength division multiplexing extenders 7 and 8.
- the first wavelength division multiplexing optical extender 7 is connected to the optical transmission side device before, during, or after the connection with the plastic optical fiber 1 described above.
- the second wavelength division multiplexing optical extender 8 is connected to the optical receiving side device before, during, or after the connection with the plastic optical fiber 1 described above.
- the first end face 2 is connected to the first wavelength division multiplexing optical extender 7 at the same construction site as the construction site where the first end face 2 is formed, without polishing. Further, at the same construction site as the construction site where the second end surface 3 is formed, the second end surface 3 is connected to the second wavelength division multiplexing optical extender 8 without polishing. Therefore, this construction method is simple.
- the plastic optical fiber 1 is cut to form the second end surface 3 of the plastic optical fiber 1, so that the second end surface 3 becomes smooth. Therefore, in the second step, the second end surface 3 can be connected to the second wavelength division multiplexing optical extender 8 at the same construction site without polishing. As a result, this construction method is simple.
- the plastic optical fiber 1 is cut by using the connector 14, the end face of the plastic optical fiber 1 is formed, and the smooth first end face 2 is formed. 1
- the end face 2 can be connected to the wavelength division multiplexing optical extender 7 by using the connector 14 without polishing. As a result, the first on-site construction set 15 can easily carry out on-site construction.
- the plastic optical fiber 1 is cut using the connector 14 to form the end face of the plastic optical fiber 1 to form the smooth second end face 3, and the second on-site construction set 25 is formed.
- the two end faces 3 can be connected to the wavelength division multiplexing optical extender 8 by using the connector 14 without polishing.
- the second on-site construction set 25 can easily carry out on-site construction.
- the first step only the first end portion 11 of the plastic optical fiber 1 is cut to form only the first end face 2, and in the second step, the first end face 2 is subjected to the first wavelength division multiplexing light. It can also be connected to the lens 9 of the extender 7.
- the end faces 2 and 3 of the plastic optical fiber 1 have a slight deviation from the tip surface of the connector 14.
- the deviation is, for example, 3 mm or less, preferably 1 mm or less.
- the two wavelength division multiplexing optical extenders 7 and 8 are examples of optical extenders, respectively.
- Other examples of the optical extender include, for example, a single wavelength optical extender.
- a wavelength division multiplexing optical extender is preferable. If the optical extender is a wavelength division multiplexing optical extender, more video information can be transmitted with a smaller number of plastic optical fibers 1.
- the first process and the second process can be carried out at different construction sites.
- the first end face 2 is connected to the first wavelength division multiplexing optical extender 7 without polishing at a construction site different from the construction site where the first end face 2 is formed.
- the second end surface 3 is connected to the second wavelength division multiplexing optical extender 8 without polishing at a construction site different from the construction site where the second end surface 3 is formed.
- the first step and the second step are carried out at different construction sites. Therefore, this construction method is simple.
- the on-site construction set is used for the construction method of the optical transmission system.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Description
そして、この施工方法の第1工程では、図1Bに示すように、プラスチック光ファイバ1を切断して、プラスチック光ファイバ1の第1端面2を形成するので、第1端面2は平滑となる。そのため、第2工程で、図1Cに示すように、第1端面2を、研磨することなく第1波長多重光延長器7に接続できる。その結果、この施工方法は、簡便である。
以下の各変形例において、上記した一実施形態と同様の部材および工程については、同一の参照符号を付し、その詳細な説明を省略する。また、各変形例は、特記する以外、一実施形態態と同様の作用効果を奏することができる。さらに、一実施形態およびその変形例を適宜組み合わせることができる。
2 第1端面
3 第2端面
7 第1波長多重光延長器
8 第2波長多重光延長器
14 コネクタ
15 第1の現場施工セット
25 第2の現場施工セット
Claims (4)
- プラスチック光ファイバを切断して、前記プラスチック光ファイバの端面を形成する第1工程と、
前記端面を、研磨することなく光延長器と接続する第2工程とを備えることを特徴とする、光伝送システムの施工方法。 - 前記光延長器は、波長多重光延長器であることを特徴とする、請求項1に記載の光伝送システムの施工方法。
- 前記第1工程と前記第2工程とを、同じ施工現場で実施することを特徴とする、請求項1または2に記載の光伝送システムの施工方法。
- 請求項1から3のいずれか一項に記載の光伝送システムの施工方法を実施するための現場施工セットであり、
プラスチック光ファイバを挿入可能なコネクタと、
前記コネクタを挿入可能であって、前記コネクタの端面から露出するする部分が切断された前記プラスチック光ファイバの端面と接続可能な光延長器と
を備えることを特徴とする、現場施工セット。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/251,375 US20230400637A1 (en) | 2020-11-02 | 2021-11-01 | Method for constructing light transmission system, and on-site construction set |
JP2022559447A JPWO2022092309A1 (ja) | 2020-11-02 | 2021-11-01 | |
EP21886426.2A EP4239382A1 (en) | 2020-11-02 | 2021-11-01 | Method for constructing light transmission system, and on-site construction set |
CN202180072867.6A CN116457711A (zh) | 2020-11-02 | 2021-11-01 | 光传输系统的施工方法和现场施工套件 |
Applications Claiming Priority (2)
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JP2020183862 | 2020-11-02 | ||
JP2020-183862 | 2020-11-02 |
Publications (1)
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WO2022092309A1 true WO2022092309A1 (ja) | 2022-05-05 |
Family
ID=81382678
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2021/040201 WO2022092309A1 (ja) | 2020-11-02 | 2021-11-01 | 光伝送システムの施工方法および現場施工セット |
Country Status (6)
Country | Link |
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US (1) | US20230400637A1 (ja) |
EP (1) | EP4239382A1 (ja) |
JP (1) | JPWO2022092309A1 (ja) |
CN (1) | CN116457711A (ja) |
TW (1) | TW202227863A (ja) |
WO (1) | WO2022092309A1 (ja) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07294748A (ja) * | 1994-04-20 | 1995-11-10 | Mitsubishi Rayon Co Ltd | プラスチック光ファイバ切断法 |
JP2001027712A (ja) * | 1999-06-17 | 2001-01-30 | Lucent Technol Inc | プラスチック製光ファイバを含む物品の製造方法 |
US6201908B1 (en) | 1999-07-02 | 2001-03-13 | Blaze Network Products, Inc. | Optical wavelength division multiplexer/demultiplexer having preformed passively aligned optics |
JP2011002825A (ja) * | 2009-06-16 | 2011-01-06 | Weidmueller Interface Gmbh & Co Kg | 光波伝導体を処理するための工具 |
WO2011008041A2 (ko) * | 2009-07-17 | 2011-01-20 | 주식회사 포투 | 파장분할 다중화 광 모듈 |
JP2014089223A (ja) * | 2012-10-29 | 2014-05-15 | Sekisui Chem Co Ltd | プラスチック光ファイバ用切断装置 |
US20150260928A1 (en) * | 2014-03-11 | 2015-09-17 | Roger E. Robichaud | Fiber optic epoxy cutting tool and method of use |
JP2018087961A (ja) * | 2016-11-21 | 2018-06-07 | 株式会社渋谷光学 | レンズ一体光ファイバおよびその製造方法 |
JP2020160409A (ja) * | 2019-03-28 | 2020-10-01 | 本多通信工業株式会社 | 切断装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10429517B1 (en) * | 2017-08-08 | 2019-10-01 | Angiodynamics, Inc. | Manufacture of plastic scintillation dosimeters |
-
2021
- 2021-11-01 CN CN202180072867.6A patent/CN116457711A/zh active Pending
- 2021-11-01 WO PCT/JP2021/040201 patent/WO2022092309A1/ja active Application Filing
- 2021-11-01 US US18/251,375 patent/US20230400637A1/en active Pending
- 2021-11-01 JP JP2022559447A patent/JPWO2022092309A1/ja active Pending
- 2021-11-01 EP EP21886426.2A patent/EP4239382A1/en not_active Withdrawn
- 2021-11-02 TW TW110140721A patent/TW202227863A/zh unknown
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07294748A (ja) * | 1994-04-20 | 1995-11-10 | Mitsubishi Rayon Co Ltd | プラスチック光ファイバ切断法 |
JP2001027712A (ja) * | 1999-06-17 | 2001-01-30 | Lucent Technol Inc | プラスチック製光ファイバを含む物品の製造方法 |
US6201908B1 (en) | 1999-07-02 | 2001-03-13 | Blaze Network Products, Inc. | Optical wavelength division multiplexer/demultiplexer having preformed passively aligned optics |
JP2003504661A (ja) * | 1999-07-02 | 2003-02-04 | ブレイズ、ネットワーク、プロダクツ、インコーポレーテッド | 予め形成された光学部品が受動的に位置合わせされる、光波長分割マルチプレクサー/デマルチプレクサー |
JP2011002825A (ja) * | 2009-06-16 | 2011-01-06 | Weidmueller Interface Gmbh & Co Kg | 光波伝導体を処理するための工具 |
WO2011008041A2 (ko) * | 2009-07-17 | 2011-01-20 | 주식회사 포투 | 파장분할 다중화 광 모듈 |
JP2014089223A (ja) * | 2012-10-29 | 2014-05-15 | Sekisui Chem Co Ltd | プラスチック光ファイバ用切断装置 |
US20150260928A1 (en) * | 2014-03-11 | 2015-09-17 | Roger E. Robichaud | Fiber optic epoxy cutting tool and method of use |
JP2018087961A (ja) * | 2016-11-21 | 2018-06-07 | 株式会社渋谷光学 | レンズ一体光ファイバおよびその製造方法 |
JP2020160409A (ja) * | 2019-03-28 | 2020-10-01 | 本多通信工業株式会社 | 切断装置 |
Also Published As
Publication number | Publication date |
---|---|
TW202227863A (zh) | 2022-07-16 |
CN116457711A (zh) | 2023-07-18 |
US20230400637A1 (en) | 2023-12-14 |
JPWO2022092309A1 (ja) | 2022-05-05 |
EP4239382A1 (en) | 2023-09-06 |
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