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WO2008037195A1 - Plateforme à ports multifibres et procédé de fabrication - Google Patents

Plateforme à ports multifibres et procédé de fabrication Download PDF

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Publication number
WO2008037195A1
WO2008037195A1 PCT/CN2007/070370 CN2007070370W WO2008037195A1 WO 2008037195 A1 WO2008037195 A1 WO 2008037195A1 CN 2007070370 W CN2007070370 W CN 2007070370W WO 2008037195 A1 WO2008037195 A1 WO 2008037195A1
Authority
WO
WIPO (PCT)
Prior art keywords
fiber
fibers
optical
port platform
bundle
Prior art date
Application number
PCT/CN2007/070370
Other languages
English (en)
Chinese (zh)
Inventor
Zhaoyang Tong
Daqing Zhang
Original Assignee
Opel Technologies Inc.
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 Opel Technologies Inc. filed Critical Opel Technologies Inc.
Publication of WO2008037195A1 publication Critical patent/WO2008037195A1/fr

Links

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
    • G02B6/36—Mechanical coupling means
    • G02B6/40—Mechanical coupling means having fibre bundle mating means
    • G02B6/403—Mechanical coupling means having fibre bundle mating means of the ferrule type, connecting a pair of ferrules
    • 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
    • G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres

Definitions

  • the present invention relates to a fiber optic port, and more particularly to a multi-fiber port platform and method of fabricating the same. Background technique
  • the prior art methods of constructing multi-fiber ports and the multi-fiber ports constructed by this method are generally three.
  • the first is to construct a multi-fiber port by arranging each fiber in a high-precision glass capillary.
  • the fiber port constructed by the solution can provide a limited number of ports, and generally only provides a port of three fibers, when applied to four In the case of optical fibers or more, the existing precision machining apparatus cannot meet the practical requirements because it does not meet the processing precision required for the capillary hole.
  • the second solution is to construct a multi-fiber port by using high-precision processed glass, silicon V-groove or polymer square ferrule.
  • the third method is to construct a multi-fiber port by mechanical impact assembly.
  • the solution impacts the metal members surrounding the plurality of optical fibers by mechanical components, thereby forming a multi-fiber port by tightly assembling the multi-fiber assembly of the metal members. Fibers with multiple fiber ports are subject to large stresses due to their tendency to be squeezed or subject to temperature changes, resulting in low reliability of multi-fiber systems.
  • multi-fiber ports constructed in accordance with known techniques that provide only a limited number of fibers are subject to more limited application and higher cost. It is therefore desirable to provide a multi-fiber port that is highly reliable, small in size, has an unlimited number of fibers, and has a wider range of applications, and a method of fabricating the same. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a multi-fiber port platform with low stress, high reliability, small volume, low manufacturing cost, unlimited number of optical fibers, and a wide application range, and a manufacturing method thereof.
  • the present invention provides a multi-fiber port platform, which is characterized in that it comprises: a ferrule and a fiber bundle comprising a plurality of fibers, wherein a plurality of fibers have a gap between each other of a submicron Level, and the bundle of fibers is housed in the ferrule.
  • the invention also discloses a method for manufacturing the multi-fiber port platform according to the following steps: firstly removing the coating layer of the plurality of optical fibers, cleaning the optical fiber, placing the heat shrinkable sleeve on the optical fiber, and the optical thermosetting adhesive Applying to the area where the heat shrinkable sleeve overlaps with the plurality of fibers therein; then heating the heat shrinkable sleeve until the heat shrinkable sleeve compresses the gap between the plurality of fibers to a submicron level, so that the plurality of fibers are formed a geometrical fiber bundle; after cooling the heated heat shrinkable sleeve, removing the heat shrinkable sleeve on the bundle, and cleaning the bundle and placing it in the ferrule, using the optical thermoset for the bundle Or the position of the ultraviolet glue in the ferrule is fixed, thereby constructing a multi-fiber pigtail; finally, the fiber bundle pigtail is polished or cut, thereby constructing the multi-fiber port platform provided by the invention.
  • the above optical thermosetting glue can be replaced by an ultraviolet glue, and accordingly, the curing of the ultraviolet glue is cured by an ultraviolet curing lamp.
  • the cross section of the multi-fiber port platform can be coated as needed to form the film system required for the application.
  • the plurality of optical fibers may be four or more optical fibers close to each other, or a plurality of optical fibers surrounding the optical fiber material, and the central replacement optical fiber material may be a glass rod, a glass wire, a silicon rod, a silicon wire, a ceramic rod or a ceramic.
  • the cross section of the ferrule may be annular and composed of glass or silicon.
  • the optical path of one or several optical fibers is adjusted in advance to make a multi-fiber connector; the multi-fiber port platform and the C lens or the gradient index lens are optically adjusted, and glue is used.
  • Curing can be made into a multi-fiber collimator; directly adjust the transmitted optical path with a multi-fiber collimator and a filter, and package them together to make a multi-fiber filter; directly adjust the multi-fiber collimator and the isolator core
  • the optical path is transmitted and packaged together to form a multi-fiber isolators; the multi-fiber collimator and the filter are used to adjust the reflected light path and the transmitted light path, and packaged together to form a multi-fiber wavelength division multiplexer;
  • the collimator and the beam splitter adjust the reflected light path and the transmitted light path, and are packaged together to form a multi-fiber splitter/combiner; the multi-fiber platform collimator is combined with the electronically controlled optical guiding component, and the relevant optical path is adjusted.
  • Encapsulation can be made into multi
  • the distance between adjacent fibers can be reduced to a sub-micron level, and the structure of the bundle bundled by the heat shrink sleeve is maintained by the adhesive agent, and the deformation of the fiber is negligible, so that the fiber
  • the bundle contains an optical fiber that is less stressed, so the multi-fiber port platform that can be fabricated according to the method provided by the present invention is highly reliable and small in size; since the heat shrink sleeve can accommodate any number of fibers, the method provided in accordance with the present invention A multi-fiber port platform with unlimited number of fibers can be manufactured, which is simple in manufacturing process and low in cost; multi-fiber port platform can be applied to a variety of fiber optic devices and modules, and its application range Widening. BRIEF abstract
  • FIG. 1 is a schematic diagram of an embodiment of a multi-fiber port platform provided in accordance with the present invention.
  • FIG. 2(a) is a schematic illustration of a first embodiment of a cross-section of a multi-fiber port platform provided in accordance with the present invention
  • 2(b) is a schematic illustration of a second embodiment of a cross-section of a multi-fiber port platform provided in accordance with the present invention
  • 2(c) is a schematic illustration of a third embodiment of a cross-section of a multi-fiber port platform provided in accordance with the present invention
  • 2(d) is a schematic illustration of a fourth embodiment of a cross-section of a multi-fiber port platform provided in accordance with the present invention
  • Figure 3 (a) is a schematic view of a plurality of optical fibers in a free state before heating according to the method of the present invention
  • Figure 3 (b) is a schematic cross-sectional view of the plurality of optical fibers in Figure 3 (a);
  • Figure 4 (a) is a schematic view of a plurality of optical fibers after heating according to the method of the present invention
  • Figure 4 (b) is a schematic cross-sectional view of the plurality of optical fibers in Figure 4 (a);
  • Figure 5 is a schematic illustration of a fiber bundle after removal of a heat-shrinkable tube in accordance with the method of the present invention
  • FIG. 6 is a schematic diagram of an embodiment of a multi-fiber connector including the multi-fiber port platform provided by the present invention.
  • FIG. 7 is a schematic diagram of an embodiment of a multi-fiber collimator including the multi-fiber port platform provided by the present invention.
  • Figure 8 (a) is a schematic diagram of an embodiment of a multi-fiber filter including the multi-fiber port platform provided by the present invention.
  • Figure 8 (b) is a schematic partial cross-sectional view of the multi-fiber filter of Figure 8 (a);
  • Figure 9 (a) is a schematic illustration of an embodiment of a multi-fiber isolator comprising the multi-fiber port platform provided by the present invention
  • Figure 9 (b) is a schematic partial cross-sectional view of the multi-fiber isolator in Figure 9 (a);
  • Figure 10 (a) is a schematic diagram of a first embodiment of a multi-fiber wavelength division multiplexer including the multi-fiber port platform provided by the present invention
  • Figure 10 (b) is a schematic partial cross-sectional view of the multi-fiber wavelength division multiplexer in Figure 10 (a);
  • FIG. 10(c) is a schematic diagram of a second embodiment of a multi-fiber wavelength division multiplexer including the multi-fiber port platform provided by the present invention.
  • Figure 10 (d) is a schematic partial cross-sectional view of the multi-fiber wavelength division multiplexer in Figure 10 (c);
  • FIG. 11(a) is a schematic diagram of an embodiment of a multi-fiber splitter/combiner including the multi-fiber port platform provided by the present invention
  • Figure 11 (b) is a schematic partial cross-sectional view of the multi-fiber splitter/combiner of Figure 11 (a);
  • Figure 11 (C) is a schematic diagram of a second embodiment of a multi-fiber splitter/combiner including the multi-fiber port platform provided by the present invention.
  • Figure 11 (d) is a schematic partial cross-sectional view of the multi-fiber splitter/combiner in Figure 11 (; c);
  • FIG. 12(a) is a schematic diagram of an embodiment of a multi-fiber optical switch including the multi-fiber port platform provided by the present invention
  • Figure 12 (b) is a schematic partial cross-sectional view of the multi-fiber optical switch in Figure 12 (a);
  • Figure 13 (a) is a schematic illustration of an embodiment of a multi-fiber variable attenuator including the multi-fiber port platform provided by the present invention
  • Figure 13 (b) is a schematic partial cross-sectional view of the multi-fiber variable attenuator in Figure 13 (a).
  • FIG. 1 illustrates a multi-fiber port platform provided by the present invention, comprising a plurality of optical fibers 1 including a coating layer, a fiber bundle 2 including a plurality of optical fibers from which a coating layer is removed at one end of a plurality of optical fibers 1, and a ferrule 3, the optical fiber bundle 2
  • the gap between the plurality of fibers in the sub-micron range is small, the gap between the bodies of the bundle 2 is occupied by optical thermosetting glue or ultraviolet glue, the entire bundle 2 is accommodated in the ferrule 3, and optical heat can be applied It is fixed in the ferrule 3 by a solid glue or an ultraviolet glue.
  • the bundle 2 can have a variety of cross-sectional shapes.
  • the fiber bundle 2 is composed of 18 optical fibers 100 surrounding the central optical fiber 100';
  • the optical fiber bundle 2 is composed of 12 optical fibers 100 surrounding the center instead of the optical fiber material 4, and the center replaces the optical fiber.
  • Material 4 may be a glass rod, a glass rod, a silicon rod, a silicon wire, a ceramic rod or a ceramic wire;
  • the bundle 2 comprises 12 fibers 100 surrounding the center instead of the fiber material 4, and a fiber at the center instead of the fiber Center fiber 100' in the center hole of material 4.
  • the fiber bundle 2 in Figs. 2(b) and 2(d) is similar in structure, but the fiber bundle 2 in the latter is composed of 72 fibers 100; similarly, in Fig. 2(c) and Fig. 2(e)
  • the fiber bundle 2 in the structure is similar in structure, but the fiber bundle 2 in the latter is composed of 73 fibers.
  • the ferrule 3 may be made of a material such as ceramic, glass or silicon, and its cross-sectional shape may be an annular shape or a square shape, and the inner diameter of one end is matched with the structure of the optical fiber bundle 2, and the inner diameter of the other end is Multiple fibers 1 match.
  • the present invention also provides a method of manufacturing the above multi-fiber port platform, the method comprising four steps Step.
  • Step 1 is to pre-process a plurality of optical fibers
  • step 2 is to heat-process a plurality of pre-processed optical fibers
  • step 3 assemble a bundle of fibers generated by heat treatment to form a fiber bundle pigtail
  • step 4 includes The fiber bundle pigtail is polished or laser cut.
  • step 1 in step 1 according to an embodiment of the present invention, a plurality of optical fibers 1 are first removed in advance to a desired length as needed, and the optical fiber 100 obtained thereafter is cleaned. Processing; placing the optical fiber 100 into the heat shrinkable sleeve 5, a certain amount of optical thermosetting glue 6 is applied to the region where the heat shrinkable sleeve 5 overlaps with the plurality of optical fibers 100, and between the plurality of optical fibers 100 at this time The gap is on the order of tens of microns.
  • the heat treatment of the second step is started.
  • the heat shrinkable sleeve 5 is heated, and the gap between the plurality of optical fibers 100 becomes smaller due to shrinkage of the heat shrinkable sleeve 5.
  • the optical fiber itself has a high precision size between adjacent optical fibers.
  • the gap can be compressed to the submicron level.
  • the plurality of optical fibers 100 in the heat shrinkable sleeve 5 form a submicron-sized compact fiber bundle 2 required for shrinkage of the heat shrinkable sleeve 5 after being heated.
  • the optical thermosetting glue is applied in and around the region where the heat shrinkable sleeve 5 and the plurality of optical fibers 100 overlap, the optical fiber bundle 2 can maintain its compact structure under the curing action of the optical thermosetting adhesive.
  • the heating of the heat shrinkable sleeve 5 is stopped.
  • an ultraviolet glue can be used instead of the optical thermoset, except that the optical thermosetting glue is not used in the process, and the heat shrinkable sleeve is tightly shrunk together when heated, and then applied.
  • the UV glue cures the UV glue between the gaps of the bundle using a UV curing lamp between the gaps of the bundle, and the rest of the process is the same.
  • the bundle 2 of the compact structure formed by the plurality of optical fibers 100 can maintain the original structure under the action of optical thermosetting glue or ultraviolet glue, even if The residual fiber is generated by the plurality of fibers 100 during the cooling process, but such residual stress is much smaller than the residual stress experienced by the inside of the bundle of fibers constructed according to the prior art.
  • the heat shrinkable sleeve 5 on the bundle 2 is first removed, and the bundle 2 is cleaned, and the bundle 2 after removing the heat shrinkable sleeve 5 is as shown in FIG.
  • the fiber bundle 2 is placed in a ceramic ferrule 3 composed of, for example, glass or silicon material, and the bundle 2 having a compact structure is fixed at the position of the ceramic ferrule 3 by optical thermosetting glue or ultraviolet glue, thereby forming a fiber bundle tail. Fiber.
  • the end of the fiber bundle pigtail formed in the third step is polished or laser cut, thereby forming a multi-fiber port platform as shown in FIG. 1; and may be polished or The end face of the laser-cut multi-fiber port platform is subjected to optical coating treatment.
  • the optical path adjustment may be performed on a certain fiber or a plurality of optical fibers
  • the multi-fiber port platform processed by the method in the fourth step may be made into a multi-fiber connector, as shown in FIG.
  • the multi-fiber connector includes a multi-fiber port platform 201', a positioning key (not shown), a spring (not shown), a housing 203, a tailstock (not shown), a tail sleeve 201, etc.
  • the outer structure shape is also It can be FC, SC or ST type, or FC-like, SC-like or ST-like type of fiber optic connectors specified by the fiber industry standard.
  • the multi-fiber collimator can be fabricated by using the above-mentioned multi-fiber port platform with a C lens or a graded index lens such as a G lens for optical path adjustment and curing with glue, as shown in Figures 7(a) and 7(b).
  • the multi-fiber collimator includes the multi-fiber port platform 201', the tail sleeve 201, the C lens 301', the sleeve 302, and the like provided by the present invention, and the connection between the components may be glued.
  • the multi-fiber filter can be directly adjusted by using the multi-fiber collimator and the filter, and packaged together to form a multi-fiber filter.
  • the multi-fiber filter includes, for example, The multi-fiber collimator 210, the filter 211, the sleeve 212, and the like shown in Fig. 7 may be glued together.
  • the multi-fiber collimator and the isolator core are directly adjusted by the above-mentioned multi-fiber collimator and packaged together to form a multi-fiber isolator.
  • the multi-fiber isolator includes The multi-fiber collimator 210, the isolator core 221, the sleeve 212, and the like shown in Fig. 7, the connections between the components may be glued.
  • the multi-fiber wavelength division multiplexer can be fabricated by adjusting the reflected light path and the transmitted light path by using the multi-fiber collimator and the filter, and the multi-fiber wavelength division multiplexer can be fabricated as shown in FIGS. 10(a) to 10(d).
  • the wavelength division multiplexer includes a multi-fiber collimator 210, a filter 231, a sleeve 212, and the like as shown in Fig. 7, and the connections between the components may be glued.
  • the multi-fiber collimator and the beam splitter are used to adjust the reflected light path and the transmitted light path, and are packaged together to form a multi-fiber splitter/combiner, as shown in FIGS. 11(a) to 11(d).
  • the fiber optic shunt/combiner includes a multi-fiber collimator 210, a beam splitter 241, and a sleeve 212 as shown in FIG. 7, and the connections between the components may be glued.
  • the multi-fiber optical switch can be made by combining the above-mentioned multi-fiber collimator with the electronically controlled reflector and adjusting the relevant optical path for packaging.
  • the multi-fiber optical switch includes As shown in Fig. 7, the multi-fiber collimator 210, the drive circuit module 251, the optical guide assembly 252, the sensing device 253, the sleeve 212, and the like, the connections between the components may be glued.
  • the multi-fiber variable attenuator can be fabricated by combining the above-mentioned multi-fiber collimator with the electronically controlled attenuating element and adjusting the relevant optical path for packaging, as shown in Figures 13(a) and 13(d).
  • the variable attenuator includes a multi-fiber collimator 210, an attenuation element 261, a driving circuit 262, a sleeve 212, and the like as shown in FIG. The connection between them can be glued.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

La présente invention concerne une plateforme à ports multifibres comprenant un cœur d'insertion (3) et un faisceau de fibres (2) comprenant une pluralité de fibres (1), l'intervalle entre la pluralité de fibres (1) étant d'ordre submicronique. Le procédé de fabrication consiste: à retirer la couche de couverture de la pluralité de fibres; à adapter un tube thermorétrécissable (5) sur les fibres (1) après les avoir nettoyées; à appliquer une colle à thermodurcissage optique sur la partie en chevauchement du tube thermorétrécissable (5) et les fibres (1); puis à chauffer le tube thermorétrécissable (5) jusqu'à ce que l'intervalle entre les fibres atteigne une grandeur submicronique; et enfin à retirer le tube thermorétrécissable (5) après l'avoir refroidi pour former une amorce multifibre. La colle à thermodurcissage optique peut être remplacée par une colle UV. La différence est que la colle UV s'applique sur l'intervalle après chauffage, et qu'une lampe de durcissage aux UV sert à faire prendre la colle UV. C'est en polissant ou en coupant la fibre amorce du faisceau de fibres que l'on forme la plateforme à ports multifibres.
PCT/CN2007/070370 2006-09-29 2007-07-27 Plateforme à ports multifibres et procédé de fabrication WO2008037195A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2006101167426A CN100422775C (zh) 2006-09-29 2006-09-29 多光纤端口平台
CN200610116742.6 2006-09-29

Publications (1)

Publication Number Publication Date
WO2008037195A1 true WO2008037195A1 (fr) 2008-04-03

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PCT/CN2007/070370 WO2008037195A1 (fr) 2006-09-29 2007-07-27 Plateforme à ports multifibres et procédé de fabrication

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WO (1) WO2008037195A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015005813A1 (fr) * 2013-07-12 2015-01-15 Famolde - Fabricação E Comercialização De Moldes, S.A. Procédé de production de cordon de raccordement local d'éclairage et cordon de raccordement correspondant
EP3760099A1 (fr) * 2019-07-04 2021-01-06 Intuitive Surgical Operations Inc. Guide de lumière optique, endoscope, procédé de production et d'utilisation d'un guide de lumière optique

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CN102636840B (zh) * 2011-02-12 2014-07-23 莱特尔科技（深圳）有限公司 一种光纤功率合成器及激光加工系统
CN103267993B (zh) * 2013-05-15 2015-05-13 长飞光纤光缆股份有限公司 一种全光纤四分之一波片的制作方法
CN104931078A (zh) * 2015-06-02 2015-09-23 中国电子科技集团公司第八研究所 高分辨率密集光纤光栅布设方法
CN111758062B (zh) * 2018-03-27 2022-05-31 株式会社住田光学玻璃 光纤束、内窥镜用镜体以及内窥镜
CN111273401B (zh) * 2020-04-13 2021-05-14 上海飞博激光科技有限公司 一种用于薄壁套管合束器件的端面切割方法
CN111999808A (zh) * 2020-08-31 2020-11-27 南京锐普创科科技有限公司 一种精密光纤纤维耦合的方法
CN112720081A (zh) * 2020-12-23 2021-04-30 西安和其光电科技股份有限公司 一种荧光光纤端面抛光方法

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Publication number Priority date Publication date Assignee Title
WO2015005813A1 (fr) * 2013-07-12 2015-01-15 Famolde - Fabricação E Comercialização De Moldes, S.A. Procédé de production de cordon de raccordement local d'éclairage et cordon de raccordement correspondant
EP3760099A1 (fr) * 2019-07-04 2021-01-06 Intuitive Surgical Operations Inc. Guide de lumière optique, endoscope, procédé de production et d'utilisation d'un guide de lumière optique
WO2021003345A1 (fr) * 2019-07-04 2021-01-07 Intuitive Surgical Operations, Inc. Guide de lumière optique, endoscope, procédé de fabrication et d'utilisation d'un guide de lumière optique
EP4332647A3 (fr) * 2019-07-04 2024-05-22 Intuitive Surgical Operations, Inc. Guide optique de lumière, endoscope, procédé de fabrication et d'utilisation d'un guide optique de lumière

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CN1936635A (zh) 2007-03-28
CN100422775C (zh) 2008-10-01

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