CN106291806B - Adjust the polarization maintaining optical fibre work of band connection head axial method and connector - Google Patents
Adjust the polarization maintaining optical fibre work of band connection head axial method and connector Download PDFInfo
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- CN106291806B CN106291806B CN201610801526.9A CN201610801526A CN106291806B CN 106291806 B CN106291806 B CN 106291806B CN 201610801526 A CN201610801526 A CN 201610801526A CN 106291806 B CN106291806 B CN 106291806B
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- optical fibre
- maintaining optical
- polarization maintaining
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 99
- 230000010287 polarization Effects 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008033 biological extinction Effects 0.000 claims abstract description 33
- 239000000835 fiber Substances 0.000 claims description 29
- 230000003287 optical effect Effects 0.000 claims description 7
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 6
- 235000011613 Pinus brutia Nutrition 0.000 claims description 6
- 241000018646 Pinus brutia Species 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 35
- 238000003780 insertion Methods 0.000 description 34
- 230000037431 insertion Effects 0.000 description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 33
- 239000002184 metal Substances 0.000 description 27
- 229910052751 metal Inorganic materials 0.000 description 27
- 230000002093 peripheral effect Effects 0.000 description 15
- 210000003746 feather Anatomy 0.000 description 10
- 239000003292 glue Substances 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- 230000008023 solidification Effects 0.000 description 1
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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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/024—Optical fibres with cladding with or without a coating with polarisation maintaining properties
-
- 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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3812—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres having polarisation-maintaining light guides
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a kind of method that the polarization maintaining optical fibre work adjusting band connection head is axial, this method directly carries out dead axle operation by extinction ratio tester；In addition, the invention also discloses a kind of connectors that cooperation preceding method uses；The method have the benefit that：A kind of method and connector that the polarization maintaining optical fibre work adjusting band connection head is axial is provided, after adopting this method, can effectively improve the precision of dead axle operation, the operation difficulty of reduction dead axle operation improves the operating efficiency of dead axle operation.
Description
Technical field
The present invention relates to a kind of polarization-preserving fiber axis fixing technology more particularly to a kind of polarization maintaining optical fibre work adjusting band connection head
Axial method and connector.
Background technology
The polarization maintaining optical fibre of band connection head is usually used in the fields such as optic communication, light sensing, Microwave photonics, when making, needs
Dead axle operation is axially carried out to the work of polarization maintaining optical fibre, the prior art when carrying out dead axle operation, generally by imaging system come
Monitoring and the relative angular position for judging Stress Profile for Polarization-Maintaining area axis and connector positioning key, to realize determining for polarization maintaining optical fibre
Axis operates, and there are troublesome in poeration, error are larger and the problems such as operating efficiency is relatively low for this dead axle mode of operation.
Invention content
For the problems in background technology, it is axial that the present invention proposes a kind of polarization maintaining optical fibre work adjusting band connection head
Method, involved hardware include：Light source, polarization maintaining optical fibre, two fiber connectors and extinction ratio tester；The light source can carry
For two kinds of way of outputs, the one of which way of output is to be exported optical signal outward by polarization-maintaining tail optical fiber, another way of output
It is to be exported optical signal outward by output interface；The light source can export the line polarisation of high-polarization；The extinction ratio is surveyed
Input interface is provided on examination instrument, extinction ratio tester receives external input light by input interface, and extinction ratio tester can be right
The polarization angle of external input light is detected and shows；It is both provided with position limiting structure on the output interface and input interface,
Be provided on the fiber connector with the matched location structure of the position limiting structure, in the mutual of position limiting structure and location structure
Under effect, fiber connector can be plugged on unique position relationship on output interface or input interface；The polarization maintaining optical fibre
Both ends are denoted as side a and b respectively, and two fiber connectors are denoted as connector A and connector B respectively；Its innovation is：The side
The operating procedure of method is：
1）Using polarization-maintaining fusion joining process, the ends polarization maintaining optical fibre A and the output end of the polarization-maintaining tail optical fiber is made to protect under the following conditions
Inclined welding：The polarization direction of the line polarisation of the high-polarization of light source output is parallel to the fast axle or slow axis of the polarization maintaining optical fibre；
2）Connector B is plugged on the input interface of extinction ratio tester, the ends polarization maintaining optical fibre B pine is sleeved on connector B
It is interior；
3）Start light source and extinction ratio tester, is then driven the rotation of the ends polarization maintaining optical fibre B（When specific operation, folder can be passed through
Tool accurately adjusts the angle of rotation）, after the polarization angle that extinction ratio tester is shown meets design requirement, control is protected
Polarisation fibre B stops rotating at end；When due to polarization-maintaining welding, the polarization direction of line polarisation is made to be parallel to the fast of the polarization maintaining optical fibre
Axis（Or slow axis）, so the polarization angle shown by extinction ratio tester, is substantially exactly the fast axle of the polarization maintaining optical fibre embodied
（Or slow axis）With the relative position of connector namely the fast axle of polarization maintaining optical fibre（Or slow axis）It is real with the relative position of input interface
In the application of border, operating personnel only need to be according to the display of extinction ratio tester, can be to the phase of polarization maintaining optical fibre fast axle and input interface
Position is accurately adjusted.
4）The ends polarization maintaining optical fibre B are fixedly connected with connector B；
5）Connector B is removed from input interface, then connector B is plugged on the output interface of light source and will be protected
The polarisation ends fibre A are cut off with polarization-maintaining tail optical fiber；Common sense based on this field needs it is found that by before connector B grafting on the outgoing interface
Polishing is integrally first ground to the ends connector B and the ends polarization maintaining optical fibre B end；
6）Connector A is plugged on the input interface of extinction ratio tester, the ends polarization maintaining optical fibre A pine is sleeved on connector A
It is interior；
7）It is driven the rotation of the ends polarization maintaining optical fibre A, after the polarization angle that extinction ratio tester is shown meets design requirement, control
Polarization maintaining optical fibre A stops rotating at end；
8）The ends polarization maintaining optical fibre A are fixedly connected with connector A；
9）Connector A is removed from input interface, then removes connector B from output interface（It is ground with above-mentioned
Grind polishing operation similarly, the ends connector A and the ends polarization maintaining optical fibre A end also need it is whole be ground after polishing just put into make
With）, the polarization maintaining optical fibre of band connection head completes.
The principle of the present invention is：The dead axle of the prior art operates, and is carried out indirectly using two stressed zone axis of polarization maintaining optical fibre
Dead axle, accuracy is relatively low, after scheme using the present invention, can directly be determined polarization maintaining optical fibre according to the polarization state of output light
Axis, operation is more direct, and dead axle precision also higher, this can produce the polarization maintaining optical fibre of high-precision band connection head；In addition,
After apparent the solution of the present invention, it will be apparent to those skilled in the art that need to only be repaiied to fiber connector structure above-mentioned
Change（Involved input interface and output interface also need accordingly to be changed in dead axle operation）, can produce can meet not
Same interface form（Such as：FC, SC, ST, LC etc.）It is required that band connection head polarization maintaining optical fibre；
It is operated for the ease of dead axle, inventor is after Optimal Structure Designing, it is also proposed that a kind of connector, innovation exist
In：The connector is made of pedestal, metal caudal peduncle, ceramic insertion core, locating sleeve and spring；
Left section of the ceramic insertion core is cylindrical structure body, and the right end of ceramic insertion core is provided with the conical surface, in ceramic insertion core
Portion is provided with fibre core jack, and fibre core jack and ceramic insertion core are coaxial, and the left end of fibre core jack is horn mouth, right section of fibre core jack
Aperture is matched with the core diameter of polarization maintaining optical fibre；
It is provided in the middle part of metal caudal peduncle right side and is inserted with left section of matched slot of outer diameter of ceramic insertion core, ceramic insertion core
It is connected in slot and fixes, the left side of ceramic insertion core is contacted with slot bottom；The left intersegmental part of metal caudal peduncle is provided with casing
Mounting hole, casing mounting hole are connected to the horn mouth；Multiple boss are provided on the peripheral surface that right section of metal caudal peduncle, boss
Right side is flushed with the right side of metal caudal peduncle, and multiple boss are circumferentially distributed along metal caudal peduncle, the space shape between adjacent lands
At guide key groove；The internal diameter of described sleeve pipe mounting hole is matched with the outer diameter of the optical fiber loose tube of polarization maintaining optical fibre；
The chassis interior is provided with axially extending bore, and the left sector hole diameter of axially extending bore is less than right sector hole diameter, axially extending bore
Left section and right section of boundary forms First terrace, and multiple feather keys, the distribution position of feather key are provided on pedestal right side
It sets and is matched with the guide key groove with profile；Metal caudal peduncle is placed in the axially extending bore of pedestal, and feather key is plugged on guide key groove
Interior, the right end of ceramic insertion core is located on the outside of the right side of pedestal；The spacing ring of evagination, spacing ring are provided on the peripheral surface of pedestal
It is provided with external screw thread on base outer perimeter face between feather key；
The spring is socketed in outside metal tail handle, and the left end of spring is contacted with First terrace, the right end and boss of spring
Left side contact, spring is in pre-compressed state；
The locating sleeve is internally provided with location hole, is provided with support ring in the middle part of location hole, the positioning on the left of support ring
It is provided on the hole wall of hole and is socketed in location hole with the matched internal thread of the external screw thread, right section of pedestal, pedestal and locating sleeve
Between be threadedly coupled；Under the action of the spring, the right side of metal caudal peduncle is pushed against on the left side of support ring；Ceramic insertion core from
It is passed through in support ring, ceramic insertion core coordinates with support ring small―gap suture, and the location hole aperture on the right side of support ring is more than at support ring
Aperture；It is arranged jagged on the left side of locating sleeve, location hole is connected to by notch with locating sleeve peripheral surface；Locating sleeve is right
The locating piece of evagination is provided on the outer wall of end.
The principle of aforementioned connector is：
Before dead axle operation, first by the polarization-maintaining tail optical fiber polarization-maintaining welding of one end of polarization maintaining optical fibre and light source, then by polarization maintaining optical fibre
The optical fiber loose tube and covering of the other end are all removed in advance, and the part that covering has been removed on polarization maintaining optical fibre is denoted as naked fibre section, in addition,
Metal caudal peduncle and ceramic insertion core are connected and fixed；Then pedestal, spring are socketed on polarization maintaining optical fibre successively, then allow polarization-maintaining again
Optical fiber is inserted into from the left end of metal caudal peduncle, and naked fibre section is made to be socketed in ceramic insertion core（The outer end face of naked fibre section and ceramic insertion core
Right side flushes）, while the optical fiber loose tube on the left of naked fibre section being made to be socketed in metal caudal peduncle, then in metal caudal peduncle and ceramics
Injection connection glue, optical fiber loose tube and metal caudal peduncle and naked fibre section and ceramic insertion core are fixed by connecting glue in lock pin, are adjusted
The position of metal caudal peduncle, spring and pedestal three after position regulates, then locating sleeve is socketed on pedestal, at this point, metal
Caudal peduncle is just pushed against under the position-limiting action of locating sleeve, spring and pedestal, at this moment can be proceeded by dead axle and be operated；
In dead axle operating process, first ceramic insertion core and locating sleeve are plugged in the input interface on extinction ratio tester, positioning sleeve
Locating piece on pipe is connected to corresponding position limiting structure（As marked locating slot shown in B in Fig. 3）In, then use hand turn bottom
Seat, pedestal is driven metal caudal peduncle by feather key and ceramic insertion core rotates synchronously, and is arranged in metal caudal peduncle and ceramic insertion core
Polarization maintaining optical fibre also rotates therewith, since position limiting structure above-mentioned is to the position-limiting action of locating piece, locating sleeve will remains stationary,
During base rotation, the variation of line polarisation polarization angle is observed by extinction ratio tester, when line polarisation polarization angle meets
It is required that when stop rotating pedestal, glue is then filled into locating sleeve by the notch on locating sleeve, glue can infiltrate
In gap between pedestal and locating sleeve, after glue solidification, the relative position of pedestal and locating sleeve is just fixed, this
The relative position for allowing for polarization maintaining optical fibre and locating piece is fixed（In use, as long as the structure of the corresponding interface is made to be grasped with dead axle
Used input interface is consistent when making, and polarization maintaining optical fibre can be made to export the line polarisation met the requirements）, then connector is taken
Under, polishing is ground to ceramic insertion core right side（Essential purpose is in order to which the output end face to polarization maintaining optical fibre is ground throwing
Light）, after the completion of grinding and polishing, the connector of polarization maintaining optical fibre one end just completes, make the operation of other end connector with
Aforementioned operation is similar, and the connector made only is plugged on the output interface of light source by difference, is provided by output interface
Optical signal.
In addition, when base rotation, it is oriented to by the screw thread on locating sleeve, and pre- the answering due to there is spring application
Power, pedestal can accurately control rotational angle with fine rotational, operator.
After the present invention is combined with a kind of typical connector connection type in the prior art, the invention also provides such as
Lower preferred embodiment：It is socketed with a fixing nut outside the locating sleeve, between locating sleeve and fixing nut in the following way
Connection：The locating ring of evagination is provided in the middle part of locating sleeve, locating piece is located at the right side of locating ring, and locating piece is outside locating sleeve
The height that circumferential surface protrudes above is less than or equal to the height that locating ring is protruded above from locating sleeve peripheral surface；Inside the fixing nut
It is provided with mounting hole, the right sector hole diameter of mounting hole is more than the outer diameter of locating ring, screw thread is provided on the right sector hole wall of mounting hole, Gu
The left sector hole diameter for determining hole is less than the outer diameter of locating ring, and the left sector hole diameter of mounting hole is less than the outer diameter of the spacing ring, mounting hole hole
Left section and right section of boundary forms third step surface on wall, and fixing nut is socketed in outside locating sleeve, and fixing nut can be along fixed
Position sleeve circumferential rotation, third step surface is located at the left side of locating ring, when fixing nut left side is contacted with spacing ring right side
When, there are gaps, fixing nut between third step surface and locating ring left side can be in interstice coverage along locating sleeve axial direction
Sliding.
In use, in addition to being provided with and other than locating sleeve and the matched structure of ceramic insertion core, being additionally provided with and consolidate on interface
Determine the matched external thread structure of nut, fixing nut right end is threadedly coupled by the screw thread in its mounting hole with external thread structure,
With screwing for screw thread, the third step surface in fixing nut pushes to the right locating ring, to make connector be pushed against on interface.
For the ease of operation, it is preferable that be provided with annular knurl on the peripheral surface of the fixing nut.
For the ease of operation, it is preferable that be provided with annular knurl on the peripheral surface of the spacing ring.
Based on common structure form in the prior art, the invention also provides following preferred embodiments：On the pedestal
It is provided with rubber protecting jacket, pedestal and rubber protecting jacket connect in the following way：It is set on the left of the upper limit ring of base outer perimeter face
It is equipped with the annular groove of indent, connecting hole is provided in rubber protecting jacket, the aperture of connecting hole is less than the outer diameter of optical fiber loose tube；Bottom
Region on the left of seat upper limit ring is socketed in connecting hole.Rubber protecting jacket can be to close pedestal left side position on polarization maintaining optical fibre
The section at the place of setting plays a protective role, and polarization maintaining optical fibre is avoided to be damaged because of overbending.After polarization maintaining optical fibre is set, rubber protection
In left section of set will be socketed in the middle part of polarization maintaining optical fibre.
Preferably, the ceramic insertion core and slot are fixed by interference fit type.
The method have the benefit that：Provide a kind of method that the polarization maintaining optical fibre work adjusting band connection head is axial
And connector can effectively improve the precision of dead axle operation after adopting this method, reduce the operation difficulty of dead axle operation, improve
The operating efficiency of dead axle operation.
Description of the drawings
Fig. 1, structure of the invention connector diagrammatic cross-section；
The dimensional structure diagram of Fig. 2, connector of the invention（Locating sleeve is not set in figure on structure）；
Mounting structure schematic diagram when Fig. 3, connector using the present invention progress dead axle operation；
Fig. 4, using the present invention program carry out dead axle operation when each device connection relationship diagram；
Title in figure corresponding to each label is respectively：Rubber protecting jacket 1, pedestal 2, First terrace 2-1, feather key
2-2, spacing ring 2-3, fixing nut 3, third step surface 3-1, metal caudal peduncle 4, boss 4-1, ceramic insertion core 5, locating sleeve 6,
Support ring 6-1, notch 6-2, locating ring 6-3, locating piece 6-4, spring 7, optical fiber loose tube 8, naked fibre section 9, polarization maintaining optical fibre covering
10, external screw thread A, locating slot B, light source C, polarization-maintaining tail optical fiber D, polarization maintaining optical fibre E to be processed, extinction ratio tester F.
Specific implementation mode
A method of the polarization maintaining optical fibre work adjusting band connection head is axial, and involved hardware includes：Light source, polarization-maintaining light
Fine, two fiber connectors and extinction ratio tester；The light source can provide two kinds of way of outputs, and the one of which way of output is
Optical signal is exported outward by polarization-maintaining tail optical fiber, another way of output is to be exported optical signal outward by output interface；Institute
The line polarisation of high-polarization can be exported by stating light source；Input interface, extinction ratio tester are provided on the extinction ratio tester
External input light is received by input interface, extinction ratio tester can be detected and show to the polarization angle of external input light
Show；It is both provided with position limiting structure on the output interface and input interface, is provided on the fiber connector and the limit
The location structure of structure matching, under the interaction of position limiting structure and location structure, fiber connector can be with unique position
Relationship is plugged on output interface or input interface；The both ends of the polarization maintaining optical fibre are denoted as side a and b respectively, and two optical fiber connect
Connector is denoted as connector A and connector B respectively；Its innovation is：The operating procedure of the method is：
1）Using polarization-maintaining fusion joining process, the ends polarization maintaining optical fibre A and the output end of the polarization-maintaining tail optical fiber is made to protect under the following conditions
Inclined welding：The polarization direction of the line polarisation of the high-polarization of light source output is parallel to the fast axle or slow axis of the polarization maintaining optical fibre；
2）Connector B is plugged on the input interface of extinction ratio tester, the ends polarization maintaining optical fibre B pine is sleeved on connector B
It is interior；
3）Start light source and extinction ratio tester, is then driven the rotation of the ends polarization maintaining optical fibre B, is shown when extinction ratio tester
After polarization angle meets design requirement, control polarization maintaining optical fibre B stops rotating at end；
4）The ends polarization maintaining optical fibre B are fixedly connected with connector B；
5）Connector B is removed from input interface, then connector B is plugged on the output interface of light source and will be protected
The polarisation ends fibre A are cut off with polarization-maintaining tail optical fiber；
6）Connector A is plugged on the input interface of extinction ratio tester, the ends polarization maintaining optical fibre A pine is sleeved on connector A
It is interior；
7）It is driven the rotation of the ends polarization maintaining optical fibre A, after the polarization angle that extinction ratio tester is shown meets design requirement, control
Polarization maintaining optical fibre A stops rotating at end；
8）The ends polarization maintaining optical fibre A are fixedly connected with connector A；
9）Connector A is removed from input interface, then removes connector B from output interface, band connection head
Polarization maintaining optical fibre completes.
Based on preceding method, the invention also provides a kind of connector, innovation is：The connector is by pedestal 2, gold
Belong to caudal peduncle 4, ceramic insertion core 5, locating sleeve 6 and spring 7 to form；
Left section of the ceramic insertion core 5 is cylindrical structure body, and the right end of ceramic insertion core 5 is provided with the conical surface, ceramic insertion core 5
It is internally provided with fibre core jack, fibre core jack and ceramic insertion core 5 are coaxial, and the left end of fibre core jack is horn mouth, and fibre core jack is right
The aperture of section is matched with the core diameter of polarization maintaining optical fibre；
It is provided in the middle part of 4 right side of metal caudal peduncle and the matched slot of 5 left sections of outer diameters of ceramic insertion core, ceramic insertion core
5 are plugged in slot and fix, and the left side of ceramic insertion core 5 is contacted with slot bottom；The left intersegmental part of metal caudal peduncle 4 is provided with
Casing mounting hole, casing mounting hole are connected to the horn mouth；Multiple boss 4- are provided on the peripheral surface that 4 right sections of metal caudal peduncle
The right side of 1, boss 4-1 are flushed with the right side of metal caudal peduncle 4, and multiple boss 4-1 are circumferentially distributed along metal caudal peduncle 4, adjacent
Space between boss 4-1 forms guide key groove；The internal diameter of described sleeve pipe mounting hole and the optical fiber loose tube of polarization maintaining optical fibre it is outer
Diameter matches；
The pedestal 2 is internally provided with axially extending bore, and the left sector hole diameter of axially extending bore is less than right sector hole diameter, axially extending bore
Left section and right section of boundary forms First terrace 2-1, and multiple feather key 2-2, feather key 2- are provided on 2 right side of pedestal
2 distributing position and profile is matched with the guide key groove；Metal caudal peduncle 4 is placed in the axially extending bore of pedestal 2, feather key 2-2
It is plugged in guide key groove, the right end of ceramic insertion core 5 is located on the outside of the right side of pedestal 2；It is provided on the peripheral surface of pedestal 2 outer
Convex spacing ring 2-3 is provided with external screw thread on 2 peripheral surface of pedestal between spacing ring 2-3 and feather key 2-2；
The spring 7 is socketed in outside metal caudal peduncle 4, and the left end of spring 7 is contacted with First terrace 2-1, the right end of spring 7
It is contacted with the left side of boss 4-1, spring 7 is in pre-compressed state；
The locating sleeve 6 is internally provided with location hole, and support ring 6-1, the left sides support ring 6-1 are provided in the middle part of location hole
Location hole hole wall on be provided with and be socketed in location hole with the matched internal thread of the external screw thread, 2 right sections of pedestal, 2 He of pedestal
It is threadedly coupled between locating sleeve 6；Under the action of spring 7, the right side of metal caudal peduncle 4 is pushed against the left end of support ring 6-1
On face；Ceramic insertion core 5 is passed through out of support ring 6-1, and ceramic insertion core 5 coordinates with support ring 6-1 small―gap sutures, on the right side of support ring 6-1
Location hole aperture be more than support ring 6-1 at aperture；Jagged 6-2 is set on the left side of locating sleeve 6, and notch 6-2 will
Location hole is connected to 6 peripheral surface of locating sleeve；The locating piece 6-4 of evagination is provided on 6 right end outer wall of locating sleeve.
Further, it is socketed with a fixing nut 3 outside the locating sleeve 6, is adopted between locating sleeve 6 and fixing nut 3
It is connected with such as under type：6 middle part of locating sleeve is provided with the locating ring 6-3 of evagination, and locating piece 6-4 is located at the right side of locating ring 6-3
Side, the height that locating piece 6-4 is protruded above from 6 peripheral surface of locating sleeve are less than or equal to locating ring 6-3 from 6 peripheral surface of locating sleeve
The height protruded above；The fixing nut 3 is internally provided with mounting hole, and the right sector hole diameter of mounting hole is outer more than locating ring 6-3
Diameter is provided with screw thread on the right sector hole wall of mounting hole, and the left sector hole diameter of mounting hole is less than the outer diameter of locating ring 6-3, mounting hole
Left sector hole diameter is less than the outer diameter of the spacing ring 2-3, and left section and right section of boundary forms third step surface on mounting hole hole wall
3-1, fixing nut 3 are socketed in outside locating sleeve 6, and fixing nut 3 can be circumferentially rotated along locating sleeve 6, third step surface 3-1
In the left side of locating ring 6-3, when 3 left side of fixing nut and the right sides spacing ring 2-3 contact, third step surface 3-1 and fixed
There are gaps, fixing nut 3 to slide axially along locating sleeve 6 in interstice coverage between the left sides ring 6-3 of position.
Further, it is provided with annular knurl on the peripheral surface of the fixing nut 3.
Further, it is provided with annular knurl on the peripheral surface of the spacing ring 2-3.
Further, rubber protecting jacket 1 is provided on the pedestal 2, pedestal 2 and rubber protecting jacket 1 are in the following way
Connection：It is provided with the annular groove of indent on the left of 2 peripheral surface upper limit ring 2-3 of pedestal, connection is provided in rubber protecting jacket 1
Hole, the aperture of connecting hole are less than the outer diameter of optical fiber loose tube；Region on the left of 2 upper limit ring 2-3 of pedestal is socketed in connecting hole.
Further, the ceramic insertion core 5 and slot are fixed by interference fit type.
Claims (1)
1. a kind of method that the polarization maintaining optical fibre work adjusting band connection head is axial, involved hardware include：Light source, polarization-maintaining light
Fine, two fiber connectors and extinction ratio tester；The light source can provide two kinds of way of outputs, and the one of which way of output is
Optical signal is exported outward by polarization-maintaining tail optical fiber, another way of output is to be exported optical signal outward by output interface；Institute
The line polarisation of high-polarization can be exported by stating light source；Input interface, extinction ratio tester are provided on the extinction ratio tester
External input light is received by input interface, extinction ratio tester can be detected and show to the polarization angle of external input light
Show；It is both provided with position limiting structure on the output interface and input interface, is provided on the fiber connector and the limit
The location structure of structure matching, under the interaction of position limiting structure and location structure, fiber connector can be with unique position
Relationship is plugged on output interface or input interface；The both ends of the polarization maintaining optical fibre are denoted as side a and b respectively, and two optical fiber connect
Connector is denoted as connector A and connector B respectively；It is characterized in that：The operating procedure of the method is：
1) polarization-maintaining fusion joining process is used, making the output end of the ends polarization maintaining optical fibre A and the polarization-maintaining tail optical fiber, polarization-maintaining is molten under the following conditions
It connects：The polarization direction of the line polarisation of the high-polarization of light source output is parallel to the fast axle or slow axis of the polarization maintaining optical fibre；
2) connector B is plugged on the input interface of extinction ratio tester, the ends polarization maintaining optical fibre B pine is sleeved in connector B；
3) start light source and extinction ratio tester, the rotation of the ends polarization maintaining optical fibre B is then driven, when the polarization that extinction ratio tester is shown
After angle meets design requirement, control polarization maintaining optical fibre B stops rotating at end；
4) ends polarization maintaining optical fibre B are fixedly connected with connector B；
5) connector B is removed from input interface, then connector B is plugged on the output interface of light source and by polarization-maintaining light
The fine ends A are cut off with polarization-maintaining tail optical fiber；
6) connector A is plugged on the input interface of extinction ratio tester, the ends polarization maintaining optical fibre A pine is sleeved in connector A；
7) ends transmission polarization maintaining optical fibre A rotation controls polarization-maintaining after the polarization angle that extinction ratio tester is shown meets design requirement
Optical fiber A stops rotating at end；
8) ends polarization maintaining optical fibre A are fixedly connected with connector A；
9) connector A is removed from input interface, then removes connector B from output interface, the polarization-maintaining of band connection head
Optical fiber fabrication is completed.
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| CN106291806B true CN106291806B (en) | 2018-11-13 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106908902A (en) * | 2017-04-14 | 2017-06-30 | 上海康阔光传感技术股份有限公司 | Optical fiber splicer and optical fiber splicing method |
| CN111880262A (en) * | 2019-08-02 | 2020-11-03 | 广东亿源通科技股份有限公司 | Polarization maintaining connector |
| CN110488426A (en) * | 2019-08-27 | 2019-11-22 | 苏州库克光电技术有限公司 | A kind of production method of polarization-maintaining fiber connector |
| CN111834797B (en) * | 2020-07-16 | 2022-04-12 | 武汉驿路通科技股份有限公司 | Angle-adjustable FC connector assembly and assembling method thereof |
| CN112596171A (en) * | 2021-01-08 | 2021-04-02 | 深圳太辰光通信股份有限公司 | Optical fiber connector and optical fiber connecting structure |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11223748A (en) * | 1998-02-06 | 1999-08-17 | Mitsubishi Electric Corp | Optical semiconductor element module and method for confirming polarization extinction ratio |
| JP2003046170A (en) * | 2001-08-01 | 2003-02-14 | Fujikura Ltd | Optical amplifier |
| EP1324083A2 (en) * | 2001-12-28 | 2003-07-02 | Fujitsu Limited | Connecting method of optical devices and optical apparatus |
| EP1508825A1 (en) * | 2003-08-18 | 2005-02-23 | CCS Technology, Inc. | Method and device for determining the angular position of a polarization maintaining fiber |
| CN101923188A (en) * | 2010-06-22 | 2010-12-22 | 上海亨通光电科技有限公司 | Stress axis fixation method of polarization-maintaining fiber |
| CN202159173U (en) * | 2011-08-19 | 2012-03-07 | 天津峻烽科技有限公司 | Space adjusting mechanism and apparatus for alignment of polarization maintaining fiber collimator |
| CN202472061U (en) * | 2012-03-28 | 2012-10-03 | 杭州精工技研有限公司 | Novel FC (Fiber Channel) fiber connector |
| CN103363905A (en) * | 2013-07-02 | 2013-10-23 | 北京航空航天大学 | Polarization-maintaining optical fiber length measuring system and polarization-maintaining optical fiber length measuring method based on spectrum analysis |
| CN104216061A (en) * | 2013-05-29 | 2014-12-17 | 中航光电科技股份有限公司 | Manufacture method of polarization-maintaining fiber connector assembly |
| CN204785192U (en) * | 2015-06-30 | 2015-11-18 | 北京北机机电工业有限责任公司 | But rotary seal connects |
| CN205374817U (en) * | 2016-01-15 | 2016-07-06 | 昆山新誉通光电科技有限公司 | Pigtail assembly easy to assemble |
-
2016
- 2016-09-05 CN CN201610801526.9A patent/CN106291806B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11223748A (en) * | 1998-02-06 | 1999-08-17 | Mitsubishi Electric Corp | Optical semiconductor element module and method for confirming polarization extinction ratio |
| JP2003046170A (en) * | 2001-08-01 | 2003-02-14 | Fujikura Ltd | Optical amplifier |
| EP1324083A2 (en) * | 2001-12-28 | 2003-07-02 | Fujitsu Limited | Connecting method of optical devices and optical apparatus |
| EP1508825A1 (en) * | 2003-08-18 | 2005-02-23 | CCS Technology, Inc. | Method and device for determining the angular position of a polarization maintaining fiber |
| CN101923188A (en) * | 2010-06-22 | 2010-12-22 | 上海亨通光电科技有限公司 | Stress axis fixation method of polarization-maintaining fiber |
| CN202159173U (en) * | 2011-08-19 | 2012-03-07 | 天津峻烽科技有限公司 | Space adjusting mechanism and apparatus for alignment of polarization maintaining fiber collimator |
| CN202472061U (en) * | 2012-03-28 | 2012-10-03 | 杭州精工技研有限公司 | Novel FC (Fiber Channel) fiber connector |
| CN104216061A (en) * | 2013-05-29 | 2014-12-17 | 中航光电科技股份有限公司 | Manufacture method of polarization-maintaining fiber connector assembly |
| CN103363905A (en) * | 2013-07-02 | 2013-10-23 | 北京航空航天大学 | Polarization-maintaining optical fiber length measuring system and polarization-maintaining optical fiber length measuring method based on spectrum analysis |
| CN204785192U (en) * | 2015-06-30 | 2015-11-18 | 北京北机机电工业有限责任公司 | But rotary seal connects |
| CN205374817U (en) * | 2016-01-15 | 2016-07-06 | 昆山新誉通光电科技有限公司 | Pigtail assembly easy to assemble |
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| CN106291806A (en) | 2017-01-04 |
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Effective date of registration: 20231223 Address after: No.23 Xiyong Avenue, Shapingba District, Chongqing 401332 Patentee after: CETC Chip Technology (Group) Co.,Ltd. Address before: 400060 No. 14 Yuanyuan Road, Nanan District, Chongqing Patentee before: CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION NO.44 Research Institute |