CN104181642A - Optical fiber ferrule assembly and manufacturing method, optical fiber connector and assembly thereof - Google Patents
Optical fiber ferrule assembly and manufacturing method, optical fiber connector and assembly thereof Download PDFInfo
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- CN104181642A CN104181642A CN201310199294.0A CN201310199294A CN104181642A CN 104181642 A CN104181642 A CN 104181642A CN 201310199294 A CN201310199294 A CN 201310199294A CN 104181642 A CN104181642 A CN 104181642A
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- lock pin
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Classifications
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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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3822—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with beveled fibre ends
-
- 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
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- 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
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses an optical fiber ferrule assembly comprising a ferrule having optical fiber holes and optical fibers fixed in the optical fiber holes of the ferrule. A plane perpendicular to the optical axes of the optical fibers is formed at the end surface of the ferrule; and planes or spherical surfaces inclined to the optical axes of the optical fibers are formed at the end surfaces of the optical fibers. Therefore, even though a large spring action force is needed when two optical fiber connectors are docked, no movement deviation along the direction perpendicular to the optical axis will be caused at the end surfaces of the ferrules in a mutual pairing mode, thereby guaranteeing the good optical transmission performance. In addition, the invention also provides a connector containing the optical fiber ferrule assembly, a connector assembly containing the optical fiber ferrule assembly, and a method for manufacturing the optical fiber ferrule assembly.
Description
Technical field
The present invention relates to joints of optical fibre field, especially APC (angled physical contact) type fiber stub assembly and there is the joints of optical fibre and the fiber optic connector assembly of this fiber stub assembly, and the manufacture method of this fiber stub assembly.
Background technology
Along with FTTH (Fiber to the home) broadband application of representative of consumer end two-forty access popularization is in the world commercial, the port number sharp increase that optical fiber is interconnected, therefore, the optical connector part of realizing optical fiber high density interconnect necessitates, and the transmission performance of arranging multi-fiber connector becomes the focus that realizes the concern of super-high density optical fiber interconnection technique more.
Existing fiber connector, be no matter single core or multicore, its end face configuration is the joints of optical fibre of PC (physical contact) type or APC (angled physical contact) type, conventionally adopt optical fiber is fixed on and in lock pin, forms fiber stub assembly with glue, then by the end face of fiber stub assembly being carried out to integral body polishing, polishing, form required PC or APC fiber stub assembly (core components of the joints of optical fibre) end face.
The schematic diagram of the fiber stub assembly of the joints of optical fibre that Fig. 1 has shown is that existing a pair of mutual pairing connects, end face is configured as APC.
As described in Figure 1, end face a, the b of two APC lock pins 10,20 is formed the dip plane angled with the longitudinal axis of lock pin, the APC lock pin 10,20 of a pair of mutual pairing is under the effect of spring 11,21, mutual physical contact, thus make optical fiber 12,22 docking optically mutually in a pair of lock pin 10,20.
Fig. 2 has shown the structural representation of second joints of optical fibre with APC multicore lock pin 20 in Fig. 1.
As shown in Figure 2, second joints of optical fibre mainly comprise lock pin 20, optical fiber 22, back seat 23, spring 21, spring base 24 and shell 25.The rear end of lock pin 20 is fixed on back seat 23, and spring base 24 is fixed on shell 25, and spring 21 is compressed between back seat 23 and spring base 24, and axial force is provided while connecting for relatively matching at two ferrule assemblies.
Fig. 3 has shown the enlarged diagram of the end face b of the ferrule assembly in Fig. 2.As shown in Figure 3, the end face b of ferrule assembly is by integral grinding be polished to the dip plane angled with the longitudinal axis of lock pin 20.
Fig. 4 has shown the schematic perspective view of first and second joints of optical fibre that mutual pairing connects; Fig. 5 shows a pair of joints of optical fibre in Fig. 4 cut-open view when pairing connects mutually.
As shown in Figure 4 and Figure 5, similar to second joints of optical fibre, first joints of optical fibre mainly comprise lock pin 10, optical fiber 12, back seat 13, spring 11, spring base 14 and shell (not shown).To timing, first and second joints of optical fibre are aimed at mutually by guid needle 16.
As shown in Figure 5, when a pair of lock pin 10, 20 need to carry out physical contact when interconnection, be positioned at lock pin 10, the spring 11 at 20 two ends, the compressed acting force that applies of 21 process is by two lock pins 10, 20 closely physical contact is together, for many rows multicore APC joints of optical fibre, in order to keep good physical contact, the force of compression that need to add big spring, but, under the effect of the spring force of this increasing, the lock pin 10 of two pairings, 20 can produce position skew at the angle direction along with APC, so just cause lock pin 10, 20 produce in the y-direction (perpendicular to the optical axis direction of optical fiber, as shown in the figure) the upper position that produces is offset, dislocation, make the optical fiber wherein mutually matching to 12, 22 fibre core departs from normal coupling position, thereby the optical transmission performance of cracking connector, even cause the of serious failure of optical interconnection.
Fig. 6 shows the end face a of two lock pins 10,20 in Fig. 5, the enlarged diagram of b.As shown in Figure 6, the first lock pin 10 offsets downward apart from d in the y-direction under the effect of spring force, and the second lock pin 20 offset distance d upwards in the y-direction under the effect of spring force.Like this, when offset distance d is larger, will have a strong impact on optical transmission performance, even cause the of serious failure of optical interconnection.
Summary of the invention
Object of the present invention is intended to solve at least one aspect of the above-mentioned problems in the prior art and defect.
In the present invention, adopt new being contemplated that: for the Cheng Duan of connector, in particular for APC, become end, do not adopt whole polishing, glossing, but by the end face forming of optical fiber, be the APC end face with angle separately, and the insertion core end face of receiving optical fiber is plane configuration.Both,, through combination, fixing, are formed to novel APC fiber stub end face structure.This structure is (especially for many rows multi-core connector) under the effect of the larger spring force of needs, has eliminated the fiber core of existing end face configuration along the axial offset problem of y, thereby has guaranteed good optical transmission performance.
According to an aspect of the present invention, provide a kind of fiber stub assembly, comprising: lock pin, has optic fibre hole; And optical fiber, be fixed in the optic fibre hole of described lock pin, wherein, the end face of described lock pin is formed the plane vertical with the optical axis of described optical fiber, and the end face of described optical fiber is formed plane or sphere with the inclined light shaft of described optical fiber.
According to an example of the present invention embodiment, the end face of described optical fiber is oriented to outwards exceed the end face of described lock pin, thereby two lock pins of docking, time, the optical fiber in two lock pins, end face be physically in contact with one another, and two lock pins, end face, physically do not need contact.
According to another example embodiments of the present invention, the end face of described optical fiber is formed the plane of inclination, and the end face of described optical fiber becomes 45 degree or 135 degree angles with respect to the horizontal plane that comprises described optical axis.
According to another example embodiments of the present invention, the end face of described optical fiber is formed the plane of inclination, and the end face of described optical fiber becomes 45 degree or 135 degree angles with respect to the perpendicular that comprises described optical axis.
According to another example embodiments of the present invention, described lock pin is single core lock pin.
According to another example embodiments of the present invention, described lock pin is multicore lock pin.
According to another example embodiments of the present invention, described lock pin is the multicore lock pin with alignment guide hole.
According to another example embodiments of the present invention, the whole end face of described multicore lock pin is formed a flat surfaces, or the whole end face of described multicore lock pin is formed the step end face of " protruding " font, and the front end face of optic fibre hole protrudes from the front end face in alignment guide hole.
According to another example embodiments of the present invention, fiber stub assembly also comprises back seat, and the rear end of described lock pin is fixed on described back seat.
According to another example embodiments of the present invention, fiber stub assembly also comprises: spring base, be positioned at described back seat after; And spring, described spring is compressed between described back seat and described spring base, for providing axial elasticity power to described lock pin.
According to another aspect of the present invention, also provide a kind of joints of optical fibre, comprising: housing; With aforementioned fiber stub assembly, wherein, described fiber stub assembly is arranged in described housing.
According to another aspect of the present invention, also provide a kind of fiber optic connector assembly, comprising: first joints of optical fibre; Second joints of optical fibre that dock with first joints of optical fibre; With the fiber adapter for first and second joints of optical fibre are docking together, wherein, each in described first joints of optical fibre and second joints of optical fibre comprises the fiber stub assembly described in claim.
According to another aspect of the present invention, also provide a kind of manufacture method of fiber stub assembly, comprise the steps:
S100 a: lock pin is provided, and the end face of described lock pin is shaped as the plane vertical with the longitudinal axis of lock pin; With
S200: before in the optic fibre hole that optical fiber is inserted to lock pin or after in the optic fibre hole that optical fiber is fixed to lock pin, individually the end face of optical fiber is processed, made the end face of optical fiber be shaped as the dip plane that becomes predetermined angular with the longitudinal axis of optical fiber.
According to another example embodiments of the present invention, described pack processing spotting-in mill, polishing cutting or arc discharge.
According to another example embodiments of the present invention, the end face of described optical fiber outwards exceeds the end face of described lock pin after being positioned at optical fiber being fixed in the optic fibre hole of lock pin.
The present invention compared with prior art distinguishes and is, individually the end face of optical fiber is processed, make the end face of optical fiber be shaped as the dip plane (APC end face configuration) that becomes predetermined angular with the longitudinal axis (optical axis) of optical fiber, and the end face of lock pin is shaped as the plane vertical with the longitudinal axis (optical axis) of lock pin, thereby form novel APC fiber stub end face structure, effectively eliminate the fiber core of existing APC end face configuration along the axial offset problem of y, thereby guaranteed good optical transmission performance.
By hereinafter, with reference to accompanying drawing description made for the present invention, other object of the present invention and advantage will be apparent, and can help that the present invention is had to comprehensive understanding.
Accompanying drawing explanation
The schematic diagram of the fiber stub assembly of the joints of optical fibre that Fig. 1 has shown is that existing a pair of mutual pairing connects, end face is configured as APC;
Fig. 2 has shown the structural representation of second joints of optical fibre in Fig. 1;
Fig. 3 has shown the enlarged diagram of the end face of the ferrule assembly in Fig. 2;
Fig. 4 has shown the schematic perspective view of first and second joints of optical fibre that the mutual pairing in Fig. 1 connects;
Fig. 5 shows a pair of joints of optical fibre in Fig. 4 cut-open view when pairing connects mutually;
Fig. 6 shows the enlarged diagram of the end face of two lock pins in Fig. 5;
Fig. 7 shows according to the vertical cut-open view of the joints of optical fibre of the first example embodiments of the present invention;
Fig. 8 shows the enlarged diagram of end face of the lock pin of the joints of optical fibre shown in Fig. 7;
Fig. 9 shows the schematic perspective view of the joints of optical fibre shown in Fig. 7;
Figure 10 shows the cut-open view of the joints of optical fibre that a pair of mutual pairing connects;
Figure 11 shows the enlarged diagram of the end face of the joints of optical fibre that a pair of mutual pairing in Figure 10 connects;
Figure 12 shows according to the vertical cut-open view of the joints of optical fibre of another example embodiments of the present invention;
Figure 13 shows the enlarged diagram of end face of the lock pin of the joints of optical fibre in Figure 12;
Figure 14 shows according to the horizontal cross of the joints of optical fibre of another example embodiments of the present invention;
Figure 15 shows the enlarged diagram of end face of the lock pin of the joints of optical fibre in Figure 14;
Figure 16 shows according to the horizontal cross of the joints of optical fibre of another example embodiments of the present invention;
Figure 17 shows the enlarged diagram of end face of the lock pin of the joints of optical fibre in Figure 16; With
Figure 18 shows the structural representation of single core lock pin of a pair of mutual docking according to an embodiment of the invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In instructions, same or analogous drawing reference numeral is indicated same or analogous parts.Followingly with reference to accompanying drawing, the explanation of embodiment of the present invention is intended to present general inventive concept of the present invention to make an explanation, and does not should be understood to a kind of restriction of the present invention.
Fig. 7 shows according to the vertical cut-open view of the joints of optical fibre of the first example embodiments of the present invention; Fig. 8 shows the enlarged diagram of end face 101 of the lock pin 100 of the joints of optical fibre shown in Fig. 7; Fig. 9 shows the schematic perspective view of the joints of optical fibre shown in Fig. 7.
In the embodiment shown in Fig. 7 to Fig. 9, MT/APC (the 2x12 core number) lock pin of 24 cores of take illustrates the new end face configuration of type of this invention as example.But the present invention is not limited to multicore lock pin, it can be also single core lock pin.
As described in Fig. 7 and Fig. 9, these joints of optical fibre mainly comprise lock pin 100, optical fiber 120, back seat 130, spring 160, spring base 140 and shell 150.The rear end of lock pin 100 is fixed on back seat 130, and spring base 140 is fixed on shell 150, and spring 160 is compressed between back seat 130 and spring base 140, and axial force is provided while connecting for relatively matching at two joints of optical fibre.
As shown in Figure 7 to 9, have 24 optic fibre holes 108 in the lock pin 100 of the fiber stub assembly of the illustrated joints of optical fibre, these 24 optic fibre holes 108 are lined up 2 * 12 array.24 optical fiber 120 insert respectively and are fixed in 24 optic fibre holes 108 of lock pin 100.
As Fig. 8 clearly illustrates, the end face 101 of lock pin 100 is formed the plane vertical with the axis (optical axis) of optic fibre hole 108, and the end face 121 of optical fiber 120 is formed the clinoplane that becomes predetermined angular with the axis (optical axis) of optic fibre hole 108.But the present invention is not limited to this, the end face 121 of optical fiber 120 also can be formed the arcwall face that tilts with the axis (optical axis) of optic fibre hole 108, that is, the tangent line at any point place on arcwall face is not orthogonal to optical axis.In an exemplary embodiment, the end face 121 of optical fiber 120 can be formed the sphere that tilts with the axis (optical axis) of optic fibre hole 108.
In order to obtain the fiber stub assembly shown in Fig. 7 to Fig. 9, in the present invention, before can be in the optic fibre hole 108 that optical fiber 120 is inserted to lock pins 100, individually the end face 101 of lock pin 100 is processed, made the end face 101 of lock pin 100 be shaped as the plane vertical with the longitudinal axis (optical axis) of lock pin 100.Then optical fiber 120 inserted in the optic fibre hole 108 of lock pins 100 and be fixed in lock pin 100 with glue then.
But the present invention is not limited to this, also after can be in the optic fibre hole 108 that optical fiber 120 is fixed to lock pin 100, individually the end face of optical fiber 120 is processed again, made the end face 121 of optical fiber 120 be shaped as the dip plane that becomes predetermined angular with the longitudinal axis (optical axis) of optical fiber 120.
In the present invention, can grind and polishing the end face 121 of optical fiber 120, make it to become dip plane.But the present invention is not limited to this, also can form by any technique in grinding, polishing, cutting or arc discharge the end face 121 of optical fiber 120.
In the present invention, the end face of lock pin 100 also can grind and polishing individually, makes it to become plane, and still, the present invention is not limited to this, and the end face 101 of lock pin 100 also can disposablely be molded as plane, and without grinding and polishing.
Figure 10 shows the cut-open view of the joints of optical fibre that a pair of mutual pairing connects; Figure 11 shows the enlarged diagram of the end face of the joints of optical fibre that a pair of mutual pairing in Figure 10 connects.
As shown in Figure 10 and Figure 11, similar with first joints of optical fibre shown in Fig. 7 to Fig. 9, second joints of optical fibre of pairing mainly comprise lock pin 200, optical fiber 220, back seat 230, spring 260, spring base 240 and shell (not shown).
In addition, the fiber stub assembly (comprising lock pin 200 and optical fiber 220) of second joints of optical fibre of pairing also with the fiber stub component class of first joints of optical fibre seemingly, as shown in figure 11, the end face 201 of lock pin 200 is formed the plane vertical with the axis (optical axis) of optic fibre hole, and the end face 221 of optical fiber 220 is formed the dip plane that becomes predetermined angular with the axis (optical axis) of optic fibre hole.
Like this, in the present invention, because the end face 101,201 of the lock pin 100,200 of two pairings is the plane vertical with optical axis, therefore when two joints of optical fibre match connection mutually, even under the effect of larger spring force, between the lock pin 100,200 of two pairings, also there will not be along the movement deviation perpendicular to optical axis, thereby guarantee good optical transmission performance.
As Fig. 8 and Figure 11 clearly illustrate, after optical fiber 120,220 is fixed in lock pin 100,200, the end face 121,221 of optical fiber 120,220 is oriented to outwards exceed a little the end face 101,201 of lock pin 100,220.Like this, as shown in Figure 10 and Figure 11, docking two lock pins at 100,200 o'clock, the end face 121,221 of the optical fiber 120,220 in two lock pins 100,200 is physically in contact with one another, and the end face 101,201 of two lock pins 100,200 does not physically contact.Like this, at two joints of optical fibre, mutually match while connecting, because the end face 101,201 of the lock pin 100,200 of two pairings does not physically contact, therefore, can prevent reliably along the movement deviation perpendicular to optical axis, thereby guarantee good optical transmission performance.
But, please note, the present invention is not limited to the embodiment shown in this Figure 11, the end face 101,201 of the lock pin 100,200 of two pairings physically also can contact, for example, the end face of the optical fiber in a lock pin protrudes into outside the end face of lock pin, in the end face of the recessed lock pin of the end face of the optical fiber in another lock pin.But, even if the end face of two lock pins of pairing is in contact with one another mutually, but, because the end face of the lock pin of two pairings is the plane vertical with optical axis, therefore between the lock pin of two pairings, also there will not be along the movement deviation perpendicular to optical axis, thereby guarantee good optical transmission performance.
In the embodiment shown in Fig. 8 to Figure 11, lock pin 100 or lock pin 200 are for having the multicore lock pin in alignment guide hole 107, and lock pin 100 and lock pin 200 can pass through alignment guidance pin (not indicating) aligning mutually like this.
As shown in Figure 9, in illustrated embodiment, the whole end face 101 of multicore lock pin 100 is formed a flat surfaces.But the present invention is not limited to this, the whole end face 101 of multicore lock pin 100 also can be formed the step end face of " protruding " font, and the front end face of optic fibre hole 108 protrudes from the front end face in alignment guide hole 107.
In the present invention, by the end face forming of optical fiber, be the APC end face with angle separately, and the insertion core end face of receiving optical fiber is plane configuration.Containing the fiber end face of angle and the plane configuration end face of lock pin, can determine as required orientation angles relation, final assembling, fixing required orientation, location.
For example, as shown in Figure 8, in illustrated embodiment, the end face 121 of optical fiber 120 becomes 135 degree angles with respect to the horizontal plane that comprises optical axis.That is, the end face 121 of optical fiber 120 becomes 135 degree angles with the surface level at a row place, optic fibre hole center.
But the present invention is not limited to this, the orientation angles of the end face 121 of optical fiber 120 can be set arbitrarily.For example, the end face 121 of optical fiber 120 can become to be not equal to the arbitrary plane that comprises optical axis the unspecified angle of 90 degree.
Figure 12 shows according to the vertical cut-open view of the joints of optical fibre of another example embodiments of the present invention; Figure 13 shows the enlarged diagram of end face of the lock pin of the joints of optical fibre in Figure 12.
Figure 12 is only with the difference of the joints of optical fibre shown in Fig. 7 to Fig. 9 with the joints of optical fibre shown in Figure 13: the end face 121 ' of optical fiber 120 ' is formed with respect to the horizontal plane that comprises optical axis and becomes miter angle.
Figure 14 shows according to the horizontal cross of the joints of optical fibre of another example embodiments of the present invention; Figure 15 shows the enlarged diagram of end face of the lock pin of the joints of optical fibre in Figure 14.
Figure 14 is only with the difference of the joints of optical fibre shown in Fig. 7 to Fig. 9 with the joints of optical fibre shown in Figure 15: optical fiber 120 " end face 121 " be formed with respect to the perpendicular that comprises optical axis and become 135 degree angles.
Figure 16 shows according to the horizontal cross of the joints of optical fibre of another example embodiments of the present invention; Figure 17 shows the enlarged diagram of end face of the lock pin of the joints of optical fibre in Figure 16.
Figure 16 is only with the difference of the joints of optical fibre shown in Figure 14 to Figure 15 with the joints of optical fibre shown in Figure 17: optical fiber 120 " ' end face 121 " ' be formed with respect to the perpendicular that comprises optical axis and become miter angle.
Note that the present invention is not limited to the multicore lock pin shown in Fig. 7-17, can be also single core lock pin, and for example, Figure 18 has shown single core lock pin 1000,2000 of a pair of mutual docking according to an embodiment of the invention.As shown in figure 18, a pair of single core lock pin 1000,2000 inserts and aims in cylinder 3000 and docking mutually.The opposed facing end face of a pair of single core lock pin 1000,2000 is formed the plane vertical with the axis (optical axis) of optical fiber 1200,2200, and the docking end face of optical fiber 1200,2200 is formed clinoplane or the sphere with inclined light shaft.
Although not shown, the present invention also provides a kind of fiber optic connector assembly, comprising: first joints of optical fibre; Second joints of optical fibre that dock with first joints of optical fibre; With the fiber adapter for first and second joints of optical fibre are docking together, wherein, each in first joints of optical fibre and second joints of optical fibre comprises the fiber stub assembly shown in Fig. 7 to Figure 17.
In the present invention, when the end face docking of two joints of optical fibre, under spring-force driven dual, fiber end face interworking containing angle, got rid of the impact of the insertion core end face of existing integral grinding polishing, the optical fiber of pairing still can be good at aiming at, and realizes good optical delivery.
It should be noted that, this invention structure is applied to the less joints of optical fibre of interconnected number of fibers or single core connector equally, similarly, only need to be processed into interconnected fiber end face required angle or the requirement of face type, and do not need angled type of the end face processing of whole ferrule assembly, simplify the scope of the end face forming processes of the joints of optical fibre, and made connecting performance optimization become more controlled.
It will be appreciated by those skilled in the art that, embodiment described above is exemplary, and those skilled in the art can make improvements, the structure described in various embodiment in the situation that not the conflict aspect recurring structure or principle can carry out independent assortment.
Although describe the present invention by reference to the accompanying drawings, in accompanying drawing, disclosed embodiment is intended to the preferred embodiment for the present invention to carry out exemplary illustration, and can not be interpreted as a kind of restriction of the present invention.
Although some embodiment of this present general inventive concept are shown and explanation, those skilled in the art will appreciate that, in the situation that do not deviate from principle and the spirit of this present general inventive concept, can make a change these embodiment, scope of the present invention limits with claim and their equivalent.
It should be noted that word " comprises " does not get rid of other element or step, and word " " or " one " do not get rid of a plurality of.In addition, any element numbers of claim should not be construed as and limits the scope of the invention.
Claims (15)
1. a fiber stub assembly, comprising:
Lock pin (100), has optic fibre hole (108); With
Optical fiber (120), is fixed in the optic fibre hole (108) of described lock pin (100),
It is characterized in that:
The end face (101) of described lock pin (100) is formed the plane vertical with the optical axis of described optical fiber (120); And
The end face (121) of described optical fiber (120) is formed plane or the sphere with the inclined light shaft of described optical fiber (120).
2. fiber stub assembly according to claim 1, is characterized in that,
The end face (121) of described optical fiber (120) is oriented to outwards exceed the end face (101) of described lock pin (100), thereby when two lock pins of docking (100,200), the end face (121,221) of the optical fiber in two lock pins (120,220) is physically in contact with one another, and the end face (101,201) of two lock pins (100,200) does not physically need contact.
3. fiber stub assembly according to claim 1, is characterized in that,
The end face (121) of described optical fiber (120) is formed the plane of inclination, and the end face (121) of described optical fiber (120) becomes 45 degree or 135 degree angles with respect to the horizontal plane that comprises described optical axis.
4. fiber stub assembly according to claim 1, is characterized in that,
The end face (121) of described optical fiber (120) is formed the plane of inclination, and the end face (121) of described optical fiber (120) becomes 45 degree or 135 degree angles with respect to the perpendicular that comprises described optical axis.
5. fiber stub assembly according to claim 1, is characterized in that, described lock pin (100) is single core lock pin.
6. fiber stub assembly according to claim 1, is characterized in that, described lock pin (100) is multicore lock pin.
7. fiber stub assembly according to claim 6, is characterized in that, described lock pin (100) is for having the multicore lock pin in alignment guide hole (107).
8. fiber stub assembly according to claim 7, is characterized in that,
The whole end face (101) of described multicore lock pin is formed a flat surfaces, or
The whole end face (101) of described multicore lock pin is formed the step end face of " protruding " font, and the front end face of optic fibre hole (108) protrudes from the front end face of alignment guide hole (107).
9. according to the fiber stub assembly described in any one in claim 1-8, it is characterized in that, also comprise:
Back seat (130), the rear end of described lock pin (100) is fixed on described back seat (130).
10. fiber stub assembly according to claim 9, is characterized in that, also comprises:
Spring base (140), be positioned at described back seat (130) after; With
Spring (160), described spring (160) is compressed between described back seat (130) and described spring base (140), for providing axial elasticity power to described lock pin (100).
11. 1 kinds of joints of optical fibre, is characterized in that, comprising:
Housing (150); With
Fiber stub assembly in claim 1-10 described in any one,
Wherein, described fiber stub assembly is arranged in described housing (150).
12. 1 kinds of fiber optic connector assemblies, comprising:
First joints of optical fibre;
Second joints of optical fibre that dock with first joints of optical fibre; With
For the fiber adapter that first and second joints of optical fibre are docking together,
It is characterized in that:
Each in described first joints of optical fibre and second joints of optical fibre comprises fiber stub assembly claimed in claim 1.
The manufacture method of 13. 1 kinds of fiber stub assemblies, comprises the steps:
S100 a: lock pin (100) is provided, and the end face (101) of described lock pin (100) is shaped as the plane vertical with the longitudinal axis of lock pin (100); With
S200: before in the optic fibre hole (108) that optical fiber (120) is inserted to lock pin (100) or after in the optic fibre hole (108) that optical fiber (120) is fixed to lock pin (100), individually the end face of optical fiber (120) is processed, made the end face (121) of optical fiber (120) be shaped as the dip plane that becomes predetermined angular with the longitudinal axis of optical fiber (120).
14. methods according to claim 13, described pack processing spotting-in mill, polishing, cutting or arc discharge.
15. methods according to claim 14, the end face (121) of described optical fiber (120) outwards exceeds the end face (101) of described lock pin (100) after being positioned at optical fiber (120) being fixed in the optic fibre hole (108) of lock pin (100).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199294.0A CN104181642A (en) | 2013-05-24 | 2013-05-24 | Optical fiber ferrule assembly and manufacturing method, optical fiber connector and assembly thereof |
| PCT/IB2014/061133 WO2014188291A1 (en) | 2013-05-24 | 2014-05-01 | Fiber optic ferrule assembly, method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199294.0A CN104181642A (en) | 2013-05-24 | 2013-05-24 | Optical fiber ferrule assembly and manufacturing method, optical fiber connector and assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104181642A true CN104181642A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310199294.0A Pending CN104181642A (en) | 2013-05-24 | 2013-05-24 | Optical fiber ferrule assembly and manufacturing method, optical fiber connector and assembly thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104181642A (en) |
| WO (1) | WO2014188291A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143483A (en) * | 2017-06-28 | 2019-01-04 | 中航光电科技股份有限公司 | Integrating optical fiber connector and its plug casing, Socket casing, housing unit |
| CN111775041A (en) * | 2020-08-19 | 2020-10-16 | 朱昀 | Grinding device is used in fiber connector production |
| WO2020248919A1 (en) * | 2019-06-11 | 2020-12-17 | 华为技术有限公司 | Optical fiber ferrule and multi-core optical fiber connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0514722A1 (en) * | 1991-05-13 | 1992-11-25 | Nippon Telegraph And Telephone Corporation | Multifiber optical connector plug with low reflection and low insertion loss |
| CN1240943A (en) * | 1998-07-03 | 2000-01-12 | 日本电信电话株式会社 | Connector plug |
| US20030235374A1 (en) * | 2002-06-24 | 2003-12-25 | Corning Cable Systems Llc | Ferrule assembly having highly protruding optical fibers and an associated fabrication method |
| CN203250048U (en) * | 2013-05-24 | 2013-10-23 | 泰科电子(上海)有限公司 | A fiber inserting core assembly, a fiber connector, and a connector assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6196732B1 (en) * | 1998-07-31 | 2001-03-06 | Sumitomo Electric Industries, Ltd. | Optical connector, method of making the same, and ferrule for optical connector |
-
2013
- 2013-05-24 CN CN201310199294.0A patent/CN104181642A/en active Pending
-
2014
- 2014-05-01 WO PCT/IB2014/061133 patent/WO2014188291A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0514722A1 (en) * | 1991-05-13 | 1992-11-25 | Nippon Telegraph And Telephone Corporation | Multifiber optical connector plug with low reflection and low insertion loss |
| CN1240943A (en) * | 1998-07-03 | 2000-01-12 | 日本电信电话株式会社 | Connector plug |
| US20030235374A1 (en) * | 2002-06-24 | 2003-12-25 | Corning Cable Systems Llc | Ferrule assembly having highly protruding optical fibers and an associated fabrication method |
| CN203250048U (en) * | 2013-05-24 | 2013-10-23 | 泰科电子(上海)有限公司 | A fiber inserting core assembly, a fiber connector, and a connector assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143483A (en) * | 2017-06-28 | 2019-01-04 | 中航光电科技股份有限公司 | Integrating optical fiber connector and its plug casing, Socket casing, housing unit |
| WO2020248919A1 (en) * | 2019-06-11 | 2020-12-17 | 华为技术有限公司 | Optical fiber ferrule and multi-core optical fiber connector |
| CN111775041A (en) * | 2020-08-19 | 2020-10-16 | 朱昀 | Grinding device is used in fiber connector production |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014188291A1 (en) | 2014-11-27 |
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Application publication date: 20141203 |