WO2018137172A1 - Connecteur de fibre optique à terminaison de champ - Google Patents

Connecteur de fibre optique à terminaison de champ Download PDF

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Publication number
WO2018137172A1
WO2018137172A1 PCT/CN2017/072606 CN2017072606W WO2018137172A1 WO 2018137172 A1 WO2018137172 A1 WO 2018137172A1 CN 2017072606 W CN2017072606 W CN 2017072606W WO 2018137172 A1 WO2018137172 A1 WO 2018137172A1
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WO
WIPO (PCT)
Prior art keywords
optical fiber
collar body
backbone
fiber connector
connector
Prior art date
Application number
PCT/CN2017/072606
Other languages
English (en)
Inventor
Lisong CAO
Original Assignee
Corning Research & Development Corporation
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 Corning Research & Development Corporation filed Critical Corning Research & Development Corporation
Priority to PCT/CN2017/072606 priority Critical patent/WO2018137172A1/fr
Publication of WO2018137172A1 publication Critical patent/WO2018137172A1/fr

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    • 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
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
    • G02B6/3861—Adhesive 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
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
    • G02B6/3888—Protection from over-extension or over-compression
    • 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
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
    • 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
    • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3893—Push-pull type, e.g. snap-in, push-on

Definitions

  • the present invention is directed to an optical fiber connector.
  • optical fiber connectors are not well suited for field installations.
  • a hot melt adhesive is required to mount these types of connectors on to an optical fiber. This process can be awkward and time consuming to perform in the field. Also post-assembly polishing requires that the craftsman have a higher degree skill.
  • hybrid optical fiber splice connectors as described in JP Patent No. 3445479, JP Application No. 2004-210251 (WO 2006/019516) and JP Application No. 2004-210357 (WO 2006/019515) .
  • these hybrid splice connectors are not compatible with standard connector formats and require significant piecewise assembly of the connector in the field. The handling and orientation of multiple small pieces of the connector can result in incorrect connector assembly that may either result in decreased performance or increase the chance of damaging the fiber.
  • US Patent No. 7,369,738 describes an optical fiber connector that includes a pre-polished fiber stub disposed in a ferrule that is spliced to a field fiber with a mechanical splice.
  • Such a connector called an NPC, is now commercially available through 3M Company (St. Paul, MN) .
  • an optical fiber connector includes a housing configured to mate with a receptacle.
  • the optical fiber connector also includes a collar body formed, at least in part, from a material that is substantially transparent to UV light that is disposed in the housing, the collar body including a ferrule securely disposed in an opening of the collar body, the ferrule including a central bore that defines an axis.
  • the optical fiber connector also includes a UV adhesive gel disposed in a channel formed in the collar body.
  • the optical fiber connector also includes a backbone to retain the collar body within the housing, the backbone including a fiber jacket clamping portion to clamp a jacket portion of the optical fiber.
  • the optical fiber connector also includes a boot attachable to a portion of the backbone, wherein the boot actuates the fiber jacket clamping portion of the backbone upon attachment to the backbone.
  • Fig. 1 is an isometric view of an optical fiber connector according to an embodiment of the present invention.
  • Fig. 2 is an exploded view of an optical fiber connector according to an embodiment of the present invention.
  • Fig. 3 is a schematic cross-sectional view of an optical fiber connector according to an embodiment of the present invention.
  • Fig. 4 is an isometric view of an exemplary backbone of an optical fiber connector according to an embodiment of the present invention.
  • Fig. 5 is a side view of an exemplary boot of an optical fiber connector according to an embodiment of the present invention.
  • Fig. 6 is an exploded view of an exemplary backbone of an optical fiber connector according to another embodiment of the present invention.
  • Fig. 7 is an isometric view of an exemplary backbone of an optical fiber connector according to an embodiment of the present invention.
  • Fig. 8 is an isometric view of an exemplary collar body with an exemplary ferrule of an optical fiber connector according to an embodiment of the present invention.
  • Fig. 9 is a cross-sectional view of an exemplary collar body with an exemplary ferrule of an optical fiber connector according to an embodiment of the present invention.
  • Fig. 10A-10E show isometric views of the optical fiber connector during different stages of an exemplary field termination process according to another embodiment of the present invention.
  • the present invention is directed to an optical fiber connector.
  • the optical fiber connector of the exemplary embodiments is of compact length and is capable of straightforward field termination. Further, the straightforward field termination can be accomplished without the use of a connector termination platform or separate crimping tool.
  • the exemplary connector (s) described herein can be readily installed and utilized for Fiber To The Home (FTTH) and/or Fiber To The X (FTTX) network installations.
  • the exemplary connector (s) can be utilized in installation environments that require ease of use when handling multiple connections, especially where labor costs are more expensive.
  • an optical fiber connector 100 is shown in isometric view in Fig. 1.
  • the components of the optical fiber connector are shown in an exploded view in Fig. 2.
  • Fig. 3 shows a section view of the optical fiber connector 100.
  • Figs. 4-9 show different views of elements of the optical fiber connector, including the collar body 120, the backbone 160, and the boot 180.
  • Optical connector 100 is configured to mate with a receptacle of a corresponding format.
  • exemplary optical connector 100 is configured as having an SC format.
  • optical connectors having other standard formats, such as ST, FC, and LC connector formats can also be provided.
  • SC-type optical fiber connector 100 can include a connector body having a housing 110 and a fiber boot 180.
  • a protective cap 190 attachable to end of the housing can be provided to protect the ferrule end and/or fiber tip, and can also provide a protrusion setting mechanism during field installation.
  • Connector 100 includes a housing 110 having an outer shell configured to be received in an SC receptacle (e.g., an SC coupling, an SC adapter, or an SC socket) .
  • SC receptacle e.g., an SC coupling, an SC adapter, or an SC socket
  • connector 100 also includes a collar body 120 (which can also be referred to as a barrel) to house a ferrule 130, a UV adhesive gel 170 disposed in a channel formed in the collar body, a multi-purpose backbone 160 that retains the collar body 120 within the connector, and a boot 180.
  • optical fiber cable 140 can comprise a jacketed cable that includes an outer jacket 142, a coated portion 144 (e.g., with a buffer coating or the like) , a fiber portion 146 (e.g., the bare clad/core) , and strength members.
  • optical fiber cable 140 can be a standard cylindrically shaped cable structure including a strength members 148 comprising aramid, Kevlar, or polyester yarn or strands disposed between an inner surface of the fiber jacket 142 and an outer surface of coated portion 144 (see Fig. 3) .
  • cable 140 can comprise a conventional rectangular-shaped cable, such as FRP style optical fiber cable, including the strength members (not shown) that can run lengthwise parallel to the coated fiber and are firmly secured within the cable jacket material.
  • the backbone 160 provides structural support for the connector 100.
  • the backbone 160 is an elongated structure (having a length of from about 45 mm to about 55 mm) that also provides clamping for the optical fiber being terminated in the field.
  • the backbone 160 can provide further axial strain relief by providing a clamping surface for the strength members of the optical fiber cable being terminated.
  • Backbone 160 includes a first opening 162 at a front end to allow for insertion of the collar body 120 (see e.g., Fig. 2) .
  • Backbone 160 further includes a second opening 164 formed on an outer side thereof. During field termination, this backbone side opening 164 permits the transmission of UV light from a UV light source to reach the UV adhesive gel 170 disposed in a channel formed in the collar body 120 which is installed in the backbone 160, thus curing the UV adhesive gel 170.
  • the backbone 160 comprises a backbone, without the second (side) opening, that is formed from a material that allows substantial transmission of UV light therethrough.
  • Backbone 160 includes an axial bore throughout to permit passage of the optical fiber being terminated.
  • backbone 160 can further include a mounting structure 166 that provides for coupling to the fiber boot 180.
  • the mounting structure 166 comprises a threaded surface formed on an outer portion of backbone 160 that is configured to engage a corresponding threaded surface of the boot 180 (see Fig. 5) .
  • the mounting structure 166 can provide a retention area for securing the strength members of the standard cylindrically shaped optical fiber cable being terminated.
  • the backbone 160 can include a fiber guide 168 formed in an interior portion therein to provide axial alignment support for the optical fiber cable being terminated (see Fig. 4) .
  • the fiber guide portion 168 is a funnel-shaped channel or groove that aligns a buffered portion of the optical fiber and guides the fiber toward the collar body 120.
  • the backbone 160 also includes a collar body mount structure 165 formed on an inner surface thereof.
  • the collar body mount structure 165 is configured to receive and secure the collar body 120 within the backbone.
  • collar body mount structure 165 comprises a rigid structure formed in an interior region of backbone 160 having an axial bore therethrough. The axial bore can be of appropriate size to receive and engage raised structures 124 of the collar body 120 (see Fig. 3) .
  • Backbone 160 can further include one or more stops 167 formed on an interior portion thereof to provide a boundary for the insertion of the jacketed portion 142 of the optical fiber cable 140 being terminated (as explained in more detail below) .
  • backbone 160 includes a clamping portion 169 formed at another end of the backbone 160 (opposite opening 162) .
  • the clamping portion 169 is configured to clamp onto the jacket portion 142 of the optical fiber cable 140 being terminated in connector 100. When actuated by installing the boot 180, this clamping operation can provide a sufficient inward radial force that secures the optical fiber cable 140 (including the jacket, coated, and fiber portions) against normal axial pulling forces.
  • clamping portion 169 comprises a collet-type, split body shape that is actuated when the boot is secured to mounting structure 166.
  • the clamping portion 169 can include raised inner surfaces to permit ready clamping of the cable jacket portion 142.
  • the connector can also include an adapter tube to be placed over the cable jacket portion of the optical fiber cable, for example, when the optical fiber cable being clamped is of a smaller diameter.
  • the clamping portion 169 also can provide a guide structure when inserting fiber cable 140 during the termination process.
  • boot 180 can be utilized to clamp the fiber strength members 148 and the fiber jacket 142. The interaction of the boot 180 and the backbone 160 will be described in greater detail below.
  • backbone 160 can be divided into two pieces, front portion 161 and rear portion 163.
  • the front portion 161 includes a slot 261 and the rear portion includes a protrusion step 263 (see Fig. 6) .
  • the rear portion 163 is configured to mate with the front portion 161 through engagement of the protrusion step mechanism into slot 261 (see e.g., Fig. 7) .
  • housing 110 and backbone 160 are formed or molded from a polymer material, although metal and other suitably rigid materials can also be utilized.
  • Housing 110 is preferably secured to an outer surface of backbone 160 via snap fit (see e.g., outer engagement surface 262 shown in Fig. 4) .
  • the housing 110 is formed from a material which allows substantial transmission of UV light therethrough.
  • the housing 110 includes an opening 112 formed on an outer side thereof (see e.g., Fig. 2) .
  • the opening 112 is proximate to the collar body when the collar body is fully inserted in the housing 110.
  • the opening 112 of the housing allows substantial transmission of UV light therethrough.
  • this housing opening 112 permits the transmission of UV light from a UV light source to reach the UV adhesive gel 170 disposed in a channel formed in the collar body 120 which is installed in the backbone 160, thus curing the UV adhesive gel 170.
  • connector 100 further includes a collar body 120 that is disposed within the connector housing and retained by the backbone.
  • the collar body can be formed, at least in part, from a material that is substantially transparent to at least UV light.
  • the collar body may be substantially transparent to both UV and visible light.
  • the collar body 120 can be formed, at least in part, from a material that allows substantial transmission of UV and visible light therethrough.
  • the collar body is substantially transparent to UV light, but is not substantially transparent to visible light.
  • the collar body 120 can be formed, at least in part, from a material that allows substantial transmission of UV light therethrough but does not allow substantial transmission of visible light (i.e., it is “non-transparent” to visible light. ) .
  • the whole collar body can be formed from a UV transparent material.
  • the collar body 120 can house a ferrule 130.
  • the collar body is configured to have some limited axial movement within backbone 160.
  • the collar body 120 can include a step 122 formed on an outer surface thereof. The step 122 can be used as a flange to provide resistance against spring 150 (see Figs.
  • collar body 120 can be formed or molded from a polymer material, although other suitable materials can also be utilized.
  • collar body 120 can comprise an injection-molded, integral material.
  • collar body 120 includes a first portion 126 having an opening to receive and house a ferrule 130.
  • the collar body also includes a second portion 128 configured to engage with the collar body mount structure 165 of backbone 160 (see Fig. 3 and 8) .
  • second portion 128 has a raised structure portion 124 that has a sloping shape that is insertable through the bore of the collar body mount structure 165, as is shown in Fig. 3. Raised structures 124 of the second portion can be inserted into the bore and engage against backbone mount structure 165 due to the bias of the spring 150.
  • the collar body 120 includes an axial funnel-shaped channel 121 formed at an end of the second portion 128 of the collar body (see Fig. 9) . The funnel-shaped channel 121 formed at an end of the second portion 128 can easily guide the fiber toward the collar body 120.
  • the collar body 120 can house and secures the ferrule in place in the connector 100.
  • Ferrule 130 can be formed from a ceramic, glass, plastic, or metal material to support the optical fiber being inserted and terminated.
  • the fiber being terminated in the connector can comprise a standard single mode or multimode optical fiber.
  • ferrule 130 is formed from a material that is non-transparent to UV and visible light.
  • Ferrule 130 is preferably secured within the collar body portion via an epoxy or other suitable adhesive, or, alternatively, ferrule 130 may be friction fit in the first portion 126 of the collar body 120.
  • the collar body 120 can also house a UV adhesive gel 170 disposed in a bore formed in the collar body 120 (see Fig. 9) .
  • the UV adhesive gel 170 is disposed in at least part of the second portion 128 of the collar body 120.
  • the UV adhesive gel 170 is a material curable by exposure to a sufficient level of UV light and the cured UV adhesive gel bonds the fiber 140 to the collar body 120.
  • a protective cap 190 is attachable to end of the housing.
  • the protective cap 190 is configured to cover an exposed end of the ferrule.
  • the protective cap 190 is formed from a material which does not allow substantial transmission of UV and visible light therethrough.
  • the protective cap 190 is formed from a material that is non-transparent to at least UV light.
  • the protective cap 190 includes a protrusion control disk 192 (see e.g., Fig. 2) .
  • the protrusion control disk 192 includes a depression that can be used to help set a protrusion distance of the fiber tip from the end of the ferrule during installation. The depth of the protrusion control disk depression can be 50 ⁇ m –60 ⁇ m.
  • boot 180 can be utilized for several purposes with optical connector 100.
  • boot 180 includes a tapered body 182 having an axial bore throughout.
  • the boot 180 includes threaded grooves 184 formed on an inner surface of the body 182 at the opening 186, where the grooves are configured to engage with the correspondingly threaded mounting structure 166 of the backbone 160.
  • the axial length of boot 180 is configured such that a rear section 188 of the boot, which has a smaller opening than at front opening 186, engages the jacket clamp portion 169 of the backbone.
  • the axial movement of the boot relative to the backbone forces the legs of clamp portion 169 to move radially inwards so that the fiber jacket 142 is tightly gripped and an inward force is imparted on other components of the fiber cable 140 to help reduce the likelihood of disconnection when the fiber cable is subjected to an axial pulling force.
  • the strength members 148 of the standard cylindrically shaped optical fiber cable can be disposed between the boot and the threaded mounting structure 166 to secure the strength members as the boot is installed. This construction can also provide a connector termination capable of surviving rougher handling and greater pull forces.
  • boot 180 is formed from a rigid material.
  • one exemplary material can comprise a fiberglass reinforced polyphenylene sulfide compound material.
  • the materials used to form the boot 180 and the backbone 160 are the same.
  • An exemplary fiber cable utilized in this embodiment comprises a 3.0 mm jacketed drop cable, commercially available from Samsung Cable, Thai-han Cable, and others (all of Korea) .
  • the optical connector of the exemplary embodiments can be configured to terminate the fibers of other types of jacketed drop cable (FRP cable) , including 3.5 mm drop cable, and others.
  • the optical fiber connector of the exemplary embodiments is of compact length and is capable of straightforward field termination.
  • An exemplary termination process for a standard cylindrically shaped cable is now described with reference to Figs. 10A –10E. Please note that reference numbers used in these figures correspond with like features from Figs. 1-9.
  • the optical fiber connector is partly assembled by inserting the collar body 120, with ferrule 130 secured therein, in the direction of arrow 102 into the first opening 162 of the backbone 160. This step may be performed prior to the field termination process or during the field termination process. As mentioned above, the raised structure 124 of the collar body is inserted into the bore of collar body mount structure 165 of the backbone. The spring 150 will provide some bias against axial movement after insertion.
  • optical fiber cable 140 is prepared by cutting of a portion of the fiber cable jacket 142 and stripping off a coated portion of the fiber near the terminating fiber end to leave a bare fiber portion 146 and cleaving (flat or angled) the fiber end to match the ferrule.
  • about 65 mm of the jacket 142 can be removed, leaving about 25 mm of stripped fiber.
  • a commercial fiber cleaver such as an Ilsintech MAX CI-Ol or the Ilsintech MAX CI-08, available from Israelintech, Korea (not shown) can be utilized to provide a flat or an angled cleave.
  • the boot 180 can be slid over the fiber cable 140 for later use. As shown in Fig.
  • optical fiber cable 140 can be inserted in the direction of arrow 104 through the rear end of the connector (i.e., through the clamping portion 169 of the connector backbone) .
  • the fiber cable 140 is continually inserted until the coated portion 144 of the fiber begins bowing at 144' (which occurs as the end of fiber 146 meets the protrusion control disk 192 of the protective cap 190 with sufficient end loading force) .
  • Fig. 10C shows that the stops 167 formed on an interior portion of the backbone provide a boundary to stop further insertion of the jacketed portion 142 of the optical fiber cable 140.
  • the UV adhesive gel 170 is pre-stored in an axial channel formed in the second portion 128 of the collar body prior to the field termination process.
  • some of UV adhesive gel 170 is taken forward until the end of fiber meets the protrusion control disk 192 of the protective cap 190.
  • the UV adhesive gel existing on the fiber tip can be covered by protective cap 190 which does not allow substantial transmission of UV light therethrough.
  • a specified wavelength of UV light source is given to the front portion (which is including the collar body) of the connector to activate and cure the UV adhesive gel.
  • the UV adhesive gel can be cured in a short time and the optical fiber can be bonded and secured in the collar body.
  • a commercial UV light source 3M Elipar S10 LED (3M Company, St.
  • the wavelength of UV light source is about 380nm –420nm.
  • the curing time of the UV adhesive gel is about 20-30 seconds.
  • the UV adhesive gel 170 left over the fiber tip and inside the front part of the ferrule 130 is not cured.
  • the UV adhesive gel 170 left inside the ferrule can be protected and is not cured within the ferrule 130, which is also formed from a material that is non-transparent to UV light.
  • the fiber jacket can then be released at clamping portion 169, thereby removing the fiber bow.
  • the boot 180 (which is previously placed over fiber cable 140) is then pushed onto the backbone 160. As is shown in Fig. 10D, the boot 180 can be pushed axially toward the backbone mounting structure 166 and then screwed onto the backbone mounting structure 166 to secure the boot 180 in place. As mentioned above, the installation of the boot 180 onto the backbone 160 tightens the collet-style clamping portion 169 onto the fiber jacket. During this installation, the user can hold the Kevlar strands 148 in place over the mounting structure 166 by application of a modest force (e.g., by thumb pressure) in the direction of arrow 106. After completion of the boot installation, the excess Kevlar can be removed (e.g., cut away) . As shown in Fig.
  • the installation can be completed by sliding the housing 110 onto the backbone.
  • a UV transparent housing or a housing with the opening 112 can be secured to an outer surface of backbone 160 prior to curing the UV adhesive gel 170 disposed in the collar body 120.
  • the protective cap 190 can be removed and the connector can be mounted into a field polisher (not shown) so that the fiber tip can be polished.
  • the fiber will protrude from the front face of the ferrule a distance of from about 5 ⁇ m to about 25 ⁇ m for UPC and APC after polishing.
  • the connector 100 can also be utilized to terminate a conventional rectangular-shaped cable, such as FRP style optical fiber cable.
  • the strength members 148 of a standard cylindrically shaped cable are disposed between an inner surface of the fiber jacket 142 and an outer surface of coated portion 144, while the strength members (not shown) of a FRP style optical fiber cable run lengthwise parallel to the coated fiber and are firmly secured within the cable jacket material. Therefore, during the termination process for a FRP style cable, no excess strength members need to be removed (e.g., cut away) after the boot 180 is installed onto the backbone.
  • the clamping portion 169 is configured to receive and clamp an FRP style optical fiber cable being terminated in connector 100.
  • this clamping operation can provide a sufficient inward radial force that secures the FRP style optical fiber cable (including the jacket, strength members, and fiber portions) against normal axial pulling forces.
  • Other steps for terminating a FRP style cable are similar with the steps for terminating a standard cylindrically shaped cable as described above.
  • optical connectors described above can be used in many conventional optical connector applications such as drop cables and/or jumpers.
  • the optical connectors described above can also be utilized for termination (connectorization) of optical fibers for interconnection and cross connection in optical fiber networks inside a fiber distribution unit at an equipment room or a wall mount patch panel, inside pedestals, cross connect cabinets or closures or inside outlets in premises for optical fiber structured cabling applications.
  • the optical connectors described above can also be used in termination of optical fiber in optical equipment.
  • one or more of the optical connectors described above can be utilized in alternative applications.
  • the optical connector of the exemplary embodiments is of compact length and is capable of straightforward field termination with reduced assembly times. Such exemplary connectors can be readily installed and utilized for FTTP and/or FTTX network installations.

Abstract

Selon la présente invention, un connecteur de fibre optique (100) comprend un boîtier (110) configuré de façon à s'adapter à un réceptacle. Le connecteur de fibre optique (100) comprend également un corps de collier de serrage (120) formé, au moins en partie, d'un matériau qui est sensiblement transparent à au moins une lumière UV qui est disposée dans le boîtier (110), le corps de collier de serrage (120) comprenant une virole (130) disposée fermement dans une ouverture du corps de collier de serrage (120), la virole (130) comprenant un alésage central qui délimite un axe. Le connecteur de fibre optique (100) comprend également un gel adhésif UV (170) disposé dans un canal formé dans le corps de collier de serrage (120). Le connecteur de fibre optique (100) comprend également un squelette (160) afin de retenir le corps de collier de serrage (120) à l'intérieur du boîtier (110), le squelette (160) comprenant une partie serrage de gaine de fibre (169) afin de serrer une partie gaine (142) de la fibre optique. Le connecteur de fibre optique (100) comprend également une gaine (180) pouvant être fixée à une partie du squelette (160), la gaine (180) actionnant la partie serrage de gaine de fibre (169) du squelette lors de la fixation au squelette (160).
PCT/CN2017/072606 2017-01-25 2017-01-25 Connecteur de fibre optique à terminaison de champ WO2018137172A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2622374A (en) * 2022-09-13 2024-03-20 Oxford Fiber Ltd Optical fibre connector

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JPH1152184A (ja) * 1997-08-08 1999-02-26 Mitsubishi Cable Ind Ltd 光ファイバ心線の接続方法
CN101329424A (zh) * 2007-06-19 2008-12-24 日立电线株式会社 光纤、光纤的端面部结构及光连接器
CN102057308A (zh) * 2008-06-06 2011-05-11 3M创新有限公司 具有接合元件的可现场端接的光纤连接器
CN103376513A (zh) * 2012-04-27 2013-10-30 3M创新有限公司 光纤连接器
CN105093422A (zh) * 2014-04-30 2015-11-25 3M创新有限公司 光纤连接器
CN105556361A (zh) * 2013-07-22 2016-05-04 Adc电信股份有限公司 扩束光纤连接器和光缆组件及制造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1152184A (ja) * 1997-08-08 1999-02-26 Mitsubishi Cable Ind Ltd 光ファイバ心線の接続方法
CN101329424A (zh) * 2007-06-19 2008-12-24 日立电线株式会社 光纤、光纤的端面部结构及光连接器
CN102057308A (zh) * 2008-06-06 2011-05-11 3M创新有限公司 具有接合元件的可现场端接的光纤连接器
CN103376513A (zh) * 2012-04-27 2013-10-30 3M创新有限公司 光纤连接器
CN105556361A (zh) * 2013-07-22 2016-05-04 Adc电信股份有限公司 扩束光纤连接器和光缆组件及制造方法
CN105093422A (zh) * 2014-04-30 2015-11-25 3M创新有限公司 光纤连接器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2622374A (en) * 2022-09-13 2024-03-20 Oxford Fiber Ltd Optical fibre connector

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