CN109597168A - Optical fiber keeps using capillary and optical component - Google Patents
Optical fiber keeps using capillary and optical component Download PDFInfo
- Publication number
- CN109597168A CN109597168A CN201811125834.XA CN201811125834A CN109597168A CN 109597168 A CN109597168 A CN 109597168A CN 201811125834 A CN201811125834 A CN 201811125834A CN 109597168 A CN109597168 A CN 109597168A
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- Prior art keywords
- optical fiber
- capillary
- hole
- wall
- outer diameter
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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
- G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
- G02B6/3664—2D cross sectional arrangements of the fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention provides the optical fiber holding capillary that can be realized miniaturization when using outer diameter different optical fiber.With capillary, it is to be provided with through hole (2) so that the first optical fiber (4) and outer diameter second optical fiber (5) different from the first optical fiber (4) are kept in interior be in contact with each other of through hole (2) at least 2 optical fiber (4,5) being accommodated in the capillary in through hole (2) for the optical fiber holding.
Description
Technical field
The present invention relates to the optical fiber holding capillary for storing multifiber and use the optical fiber holding capillary
Optical component.
Background technique
Currently, in order to connect optical fiber each other or connection optical fiber and shine/light receiving element etc. whens store and kept for more
Optical fiber has used the optical fiber connection glass component for being referred to as capillary, casing, lasso etc..
For example, the following Patent Document 1 discloses the holding member having with through hole and be accommodated in the perforation
The optical component of the optical fiber in hole.It describes in patent document 1 and is accommodated with optical fiber respectively in 2 through holes of holding member
Optical component, optical component that multifiber is accommodated in 1 through hole of holding member etc..Wherein, such as patent document 1
Shown in Fig. 4, when using multifiber, having used cross sectional shape is same shape and the equal optical fiber of outer diameter.
The following Patent Document 2 discloses the optical bond devices for being accommodated with multifiber in glass tube.In patent
In document 2, also using cross sectional shape is same shape and the equal optical fiber of outer diameter.
Existing technical literature
Patent document
Patent document 1: International Publication No. 2002/071115
Patent document 2: Japanese Unexamined Patent Application Publication 2000-501848 bulletin
Summary of the invention
Invention technical problem to be solved
In recent years, it such as by the device of the device for the optical fiber for using outer diameter big and the optical fiber for using outer diameter small while using
When etc., it is desirable to demand as the multifiber for keeping outer diameter different is constantly got higher.
However, will form not when keeping the different optical fiber of outer diameter in 1 through hole of the glass component such as in capillary
Necessary space, consequently, it can happen the positional shift of optical fiber.Therefore it considers to form pass through corresponding with the outer diameter of each optical fiber
Through-hole and every optical fiber is stored and is held in the method in through hole.However, in the method, between the center of each optical fiber away from
From becoming larger, the input angle of light becomes larger.On the other hand, in order to make the input angle of light become smaller, need to make light source to optical fiber away from
From becoming larger, in this case, there are device enlargement such problems.
The object of the present invention is to provide the optical fiber that can be realized miniaturization when using outer diameter different optical fiber
Keep the optical component for keeping using capillary with capillary and using the optical fiber.
For solving the technical solution of technical problem
Optical fiber holding capillary of the invention is characterized in that: it is at least 2 or more optical fiber to be accommodated in
Capillary in through hole is provided with above-mentioned through hole so that the first optical fiber and outer diameter second light different from first optical fiber
Fibre is in contact with each other the mode being kept in above-mentioned through hole.
In optical fiber holding capillary of the invention, preferably in the radial section of above-mentioned capillary, with above-mentioned first
First inner wall of the above-mentioned capillary of optical fiber contact and the second inner wall with the above-mentioned capillary of above-mentioned second optical fiber contact
It is generally on same circumference.
Optical fiber holding of the invention can be the capillary for being accommodated in 2 optical fiber in through hole with capillary.
It is preferred that being generally in the outer diameter center of above-mentioned capillary and the contact of above-mentioned first optical fiber and above-mentioned second optical fiber
Above-mentioned through hole is arranged in the mode of same position.
It is preferred that with the distance between centers of the outer diameter center of above-mentioned capillary and above-mentioned first optical fiber and above-mentioned second optical fiber
Above-mentioned through hole is arranged in the mode that midpoint is generally in same position.
Optical fiber holding of the invention can be with capillary at least 3 optical fiber to be accommodated in the hair in above-mentioned through hole
Tubule.
It is preferred that being generally in straight line at least 3 respective cores of optical fiber above-mentioned in the radial section of above-mentioned capillary
On mode above-mentioned through hole is set.
Optical fiber holding of the invention does not preferably have corner in the inner wall of above-mentioned capillary with capillary.
Optical component of the invention is characterized in that: having the optical fiber holding capillary constituted according to the present invention and storage
In at least 2 optical fiber in above-mentioned optical fiber holding capillary.
Invention effect
Using the present invention, it is capable of providing the optical fiber guarantor that can be realized miniaturization when using outer diameter different optical fiber
It holds and uses capillary.
Detailed description of the invention
Fig. 1 is the schematic section for indicating optical component involved in first embodiment of the invention.
Fig. 2 is that the part amplification table of through hole will be provided in optical component involved in first embodiment of the invention
The schematic section shown.
Fig. 3 is the schematic cross-section for indicating the first variation of optical component involved in first embodiment of the invention
Figure.
Fig. 4 is the schematic cross-section for indicating the second variation of optical component involved in first embodiment of the invention
Figure.
Fig. 5 is the schematic cross-section for indicating the third variation of optical component involved in first embodiment of the invention
Figure.
Fig. 6 is the schematic cross-section for indicating the 4th variation of optical component involved in first embodiment of the invention
Figure.
Fig. 7 is the schematic section for indicating optical component involved in second embodiment of the present invention.
Fig. 8 is the schematic section for indicating optical component involved in third embodiment of the present invention.
Fig. 9 is the schematic section for indicating optical component involved in the 4th embodiment of the invention.
Figure 10 is the schematic section for indicating optical component involved in the 5th embodiment of the invention.
Description of symbols
1, capillary is used in 11,21,31,41 ... optical fiber holding
2 ... through holes
3 ... inner walls
The first inner wall of 3a ...
The second inner wall of 3b ...
3c ... third inner wall
The 4th inner wall of 3d ...
The inclined surface 3c1,3c4,3c5,3d1,3d4,3d5 ...
3c2,3d2 ... step difference portion
3c3,3d3 ... recess portion
4 ... first optical fiber
4a, 5a, 6a ... core
4b, 5b ... covering
5 ... second optical fiber
6 ... third optical fiber
10,20,30,40,50 ... optical component.
Specific embodiment
Hereinafter, being illustrated to preferred embodiment.But the following embodiments and the accompanying drawings is example, the present invention is not
It is defined in the following embodiments and the accompanying drawings.In addition, in the drawings, the component of substantial function having the same is sometimes with identical symbol
Number reference.
(first embodiment)
Fig. 1 is the schematic section for indicating optical component involved in first embodiment of the invention.In addition, Fig. 2 is
The schematic section of the part of through hole is provided in optical component involved in amplification expression first embodiment of the invention.
As shown in Figure 1, there is optical component 10 optical fiber to keep using capillary 1, the first optical fiber 4 and the second optical fiber 5.Optical fiber is protected
It holds and is made of with capillary 1 glass.But optical fiber holding is not particularly limited with the material of capillary 1, such as can also be by setting
Rouge, metal, ceramics, sintered glass ceramics etc. are constituted.In addition, the first optical fiber 4 and the second optical fiber 5 are respectively provided with core 4a, 5a and covering
Covering 4b, 5b of core 4a, 5a.Core 4a, 5a and covering 4b, 5b can be for example made of quartz glass etc..
Through hole 2 is formed with the inside of capillary 1 in optical fiber holding.The first optical fiber 4 and are accommodated in through hole 2
Two optical fiber 5.The length direction of optical fiber holding capillary is the direction z, i.e. attached drawing is from inner forward direction.Therefore, through hole 2 with
And first optical fiber 4 and the second optical fiber 5 being accommodated in inside it are also configured as extending in a z-direction.
Optical fiber holding has 4 or more the inner wall 3 adjacent with through hole 2 with capillary 1.In the present embodiment,
Inner wall 3 is made of the first~the 4th inner wall 3a~3d.First inner wall 3a and the second inner wall 3b are relative to each other.In third
Wall surface 3c and the 4th inner wall 3d are also relative to each other.Third inner wall 3c and the 4th inner wall 3d link the first inner wall 3a and the
Two inner wall 3b.
First inner wall 3a is contacted with the first optical fiber 4.Second inner wall 3b is contacted with the second optical fiber 5.Third inner wall 3c
It is contacted with the 4th inner wall 3d with both the first optical fiber 4 and the second optical fiber 5.Wherein, in the present specification, " contact ", which refers to, " supports
Connect " or " close ".Specifically, inner wall 3 and each optical fiber are preferably spaced 10 μm or less.
In addition, in the present embodiment, the outer diameter of the second optical fiber 5 is greater than the outer diameter of the first optical fiber 4.In order to its shape phase
Corresponding, third inner wall 3c and the 4th inner wall 3d are respectively provided with from 5 side of the second optical fiber to the inclined inclined surface in 4 side of the first optical fiber
3c1、3d1。
In this way, in the present embodiment, different 2 optical fiber 4,5 of outer diameter are accommodated in through hole 2.In addition, in this hair
In bright, different at least 2 optical fiber 4,5 of outer diameter can also be accommodated in through hole 2, be accommodated in the optical fiber in through hole 2
Radical is not particularly limited.
Through hole 2 is set in such a way that the first optical fiber 4 and the second optical fiber 5 are in contact with each other and keep in the inside of through hole 2.
Wherein, 10 μm or less are preferably spaced between the first optical fiber 4 and the second optical fiber 5.
In this way, in the present embodiment, in 1 through hole 2, the first different optical fiber 4 of outer diameter and the contact of the second optical fiber 5
And it keeps.Therefore, compared with the case where being respectively formed through hole 2 and keep every first optical fiber 4 and the second optical fiber 5, can make
The mutual distance in center of first optical fiber 4 and the second optical fiber 5 becomes smaller, and the input angle of light can be made to become smaller.It therefore, there is no need to
Light source to the distance of the first optical fiber 4 and the second optical fiber 5 is set to become larger, it will be able to realize the miniaturization of device.In addition, in through hole 2
Interior, the first optical fiber 4 and the second optical fiber 5 are contacted and are kept, therefore the position that the first optical fiber 4 and the second optical fiber 5 are less likely to occur is inclined
It moves.
The optical component 10 of present embodiment different with outer diameter as described above the first optical fiber 4 and the second optical fiber 5.Cause
This, such as by the device of the second optical fiber 5 for using outer diameter big and the device for the first optical fiber 4 for using outer diameter small while can make
With.
In addition, in the present embodiment, to be contacted in the radial section of optical fiber holding capillary 1 with the first optical fiber 4
The first inner wall 3a and the mode that is generally on same circumference Q of the second inner wall 3b for being contacted with the second optical fiber 5 be arranged and pass through
Through-hole 2.In this way, can be more easily formed when the first inner wall 3a and the second inner wall 3b are generally on same circumference Q
Through hole 2.But in the present invention, it can not also be centainly generally in the first inner wall 3a and the second inner wall 3b same
Through hole 2 is arranged in mode on circumference Q.
In addition, in the present embodiment, with the outer diameter center O of optical fiber holding capillary 1 and the first optical fiber 4 and the second light
Through hole 2 is arranged in the mode that the contact P of fibre 5 is generally in same position.In this way, outer diameter center O and the first optical fiber 4 and the second light
When the contact P of fibre 5 is generally in same position, the light of the position of the core 4a from the first optical fiber 4 can be more easily identified
The optical signal of the position of signal and the core 5a from the second optical fiber 5.In addition, in the present invention, can not also with outer diameter center O with
The mode that the contact P of first optical fiber 4 and the second optical fiber 5 is generally in same position is arranged.
In the present embodiment, optical fiber keeps the outer diameter R of outer diameter R and the first optical fiber 4 with the through hole 2 of capillary 11With
The outer diameter R of second optical fiber 52Difference (R- (R1+R2)) be preferably 10 μm hereinafter, more preferably 5 μm hereinafter, further preferably 2 μ
M is hereinafter, most preferably 1 μm or less.In poor (R- (R1+R2)) be the above-mentioned upper limit below when, the first optical fiber 4 and the second light can be made
Fibre 5 is more reliably contacted and is kept.
In addition, in poor (R- (R1+R2)) it is preferably 0.1 μm or more, more preferably 0.15 μm or more.In poor (R- (R1+
R2)) be above-mentioned lower limit more than when, the first optical fiber 4 and the second optical fiber 5 can be more easily inserted into through hole 2.
In addition, in the present embodiment, it will be from the part that third inner wall 3c is contacted with the first optical fiber 4 to the 4th inner wall
3d is set as L at a distance from the part that the first optical fiber 4 contacts1, will be from the part that third inner wall 3c is contacted with the second optical fiber 5 to
Four inner wall 3d are set as L at a distance from the part that the second optical fiber 5 contacts2When, compare L2/L1Preferably 1.25 or more 1.75 or less.Together
Sample, the outer diameter of the first optical fiber 4 is set as R1, the outer diameter of the second optical fiber 5 is set as R2When, compare R2/R1Preferably 1.25 or more
1.75 following.
In addition, in the present embodiment, as long as the shape of through hole 2 can be such that the first optical fiber 4 and the second optical fiber 5 contacts simultaneously
It keeps, is just not particularly limited.Such as Fig. 3~first~third shown in fig. 5 variation is such, it can be with the first inner wall 3a
Through hole 2 is arranged in substantially parallel mode with the second inner wall 3b, can also be big with third inner wall 3c and the 4th inner wall 3d
Cause parallel mode that through hole 2 is set.Second variation as shown in Figure 4 is such, can be from the second inner wall 3b towards
Step difference is respectively set in third inner wall 3c and the 4th inner wall 3d in one inner wall 3a, the mode that the size of through hole 2 becomes smaller
Portion 3c2,3d2.Third variation as shown in Figure 5 is such, can be respectively set in third inner wall 3c and the 4th inner wall 3d
Recess portion 3c3,3d3.In addition, the 4th variation as shown in FIG. 6 is such, third inner wall 3c and the 4th inner wall 3d can also divide
It is not tilted from the second inner wall 3b towards the first inner wall 3a.
In addition, as in the present embodiment, optical fiber keeps preferably not having corner with the inner wall 3 of capillary 1.This
In the case of, it being capable of the more difficult breakage that optical fiber holding capillary 1 occurs.Each as the first~the 4th inner wall 3a~3d
From interconnecting piece corner, such as fillet or chamfering can also be formed.
In addition, through hole 2 can obtain in the following way: such as preparation glass round tube is inserted to the inside of glass round tube
Enter section and through hole is the mold of same shape, so that the inside of glass round tube is become vacuum while heating, make
The inner wall and mold of glass round tube are closely sealed and form, and have and through hole same shape using contraction method production
Hole preform, which is heated, control is defined sectional dimension, shape on one side, and one side elongation moulding is
The elongated capillary of through hole 2 with defined dimensional accuracy, so as to obtain through hole 2.Alternatively, it is also possible to utilize
Compression molding is formed, that is, is heated to capableing of the temperature of flow deformation for glass raw material, is made glass with the state softened and flow into mould
Tool, by the shape transfer of mold to glass raw material, to be formed.
(second embodiment)
Fig. 7 is the schematic section for indicating optical component involved in second embodiment of the present invention.As shown in fig. 7,
In optical component 20, between the outer diameter center O and the first optical fiber 4 and the center of the second optical fiber 5 of optical fiber holding capillary 11
The distance (O of Fig. 71With O2Distance) midpoint M be generally in the mode of same position through hole 2 be set.Other aspects with
First embodiment is identical.
In this second embodiment, in 1 through hole 2, the first different optical fiber 4 of outer diameter and the contact of the second optical fiber 5 are simultaneously
It keeps, therefore, can be realized the miniaturization of device.
In addition, in this second embodiment, with the outer diameter center O of optical fiber holding capillary 11 and the first optical fiber 4 and
Through hole 2 is arranged in the mode that the midpoint M of distance between the center of two optical fiber 5 is generally in same position, therefore, can more hold
It changes places and the first optical fiber 4 and the second optical fiber 5 is positioned.
(third~the 5th embodiment)
Fig. 8 is the schematic section for indicating optical component involved in third embodiment of the present invention.As shown in figure 8,
In optical component 30, third optical fiber 6 is also accommodated in through hole 2 of the optical fiber holding with capillary 21.The diameter of third optical fiber 6
To cross sectional shape be with 4 same shape of the first optical fiber, outer diameter is roughly the same with the first optical fiber 4.It is set as penetrating through
In hole 2, the core 5a of the core 6a of third optical fiber 6, the core 4a of the first optical fiber 4 and the second optical fiber 5 are successively generally on straight line.
Wish the outer diameter center O for being set as preferred third optical fiber 63, the first optical fiber 4 outer diameter center O1With the outer diameter center of the second optical fiber 5
O2Successively it is generally on straight line.
In through hole 2, third optical fiber 6 is contacted with the first inner wall 3a of optical fiber holding capillary 1.Third optical fiber 6
Also it is contacted with the first optical fiber 4.First optical fiber 4 is also contacted with the second optical fiber 5.Also, the second optical fiber 5 uses capillary with optical fiber holding
21 the second inner wall 3b contact.In the present embodiment, it is connect with first~third optical fiber 4~6 according to configured in this way state
It touches and through hole 2 is arranged in the mode kept.In addition, in the present embodiment, from the viewpoint of being more easier manufacture, it is also preferred that
First inner wall 3a and the second inner wall 3b are generally on same circumference.Other aspects are identical with first embodiment.
Fig. 9 is the schematic section for indicating optical component involved in the 4th embodiment of the invention.As shown in figure 9,
In optical component 40, the outer diameter for being accommodated in the third optical fiber 6 in the through hole 2 of optical fiber holding capillary 31 is greater than the first light
The outer diameter of fibre 4.In addition, third inner wall 3c and the 4th inner wall 3d is in addition to having from 5 side of the second optical fiber to 4 side of the first optical fiber
Other than inclined inclined surface 3c1,3d1, also it is respectively provided with from 6 side of third optical fiber to the inclined inclined surface in 4 side of the first optical fiber
3c4,3d4.Other aspects are identical as third embodiment.
Figure 10 is the schematic section for indicating optical component involved in the 5th embodiment of the invention.Such as Figure 10 institute
Show, in optical component 50, is accommodated in the core of first~third optical fiber 4~6 in the through hole 2 of optical fiber holding capillary 41
4a~6a is not provided with point-blank.In the 5th embodiment, on the direction x of Figure 10, the first optical fiber 4 and third light
Fibre 6 is contacted with the first inner wall 3a.In the x direction, the first optical fiber 4 and third optical fiber 6 are also contacted with the second optical fiber 5.In addition,
On the direction x, the second optical fiber 5 is also contacted with the second inner wall 3b.In addition, on the direction y of Figure 10, the first optical fiber 4 and the second light
Fibre 5 is contacted with third inner wall 3c.In y-direction, the first optical fiber 4 is contacted with third optical fiber 6.In addition, in y-direction, third
Optical fiber 6 and the second optical fiber 5 are contacted with the 4th inner wall 3d.In addition, third inner wall 3c has from 4 side of the first optical fiber to second
The inclined inclined surface 3c5 in 5 side of optical fiber.It is rolled tiltedly in addition, the 4th inner wall 3d has from 6 side of third optical fiber to the second optical fiber 5
Inclined surface 3d5.Other aspects are identical as third embodiment.
As shown in third~the 5th embodiment, in the present invention it is possible to be provided with 3 or more light in through hole 2
It is fine.In this case, as third embodiment, the outer diameter at least 2 optical fiber being in contact with each other can be different, and the such as the 4th
Embodiment is such, and the outer diameter for the whole optical fiber being in contact with each other can also be all different.In addition, as third, the 4th embodiment that
Sample can be generally in the mode on straight line with core 4a~6a of 3 or more optical fiber and through hole 2 is arranged, and the such as the 5th is real
It is such to apply mode, through hole 2 can also be set in such a way that core 4a~6a is not in a straight line substantially.
In addition, in third~the 5th embodiment, in 1 through hole 2, the first different optical fiber 4 and second of outer diameter
Optical fiber 5 is also contacted and is kept.Therefore, it can be realized the miniaturization of device.
Claims (9)
- It is at least 2 optical fiber to be accommodated in the capillary in through hole, the light 1. a kind of optical fiber keeps using capillary Fine holding capillary is characterized in that:The through hole is provided with so that the first optical fiber and outer diameter second optical fiber different from first optical fiber are in the perforation It is kept with being in contact with each other in hole.
- 2. optical fiber as described in claim 1 keeps using capillary, it is characterised in that:In the radial section of the capillary, with the first inner wall of the capillary of first optical fiber contact and with institute The second inner wall for stating the capillary of the second optical fiber contact is generally on same circumference.
- 3. optical fiber as claimed in claim 1 or 2 keeps using capillary, it is characterised in that:The optical fiber holding capillary that capillary is for being accommodated in 2 optical fiber in through hole.
- 4. optical fiber as claimed in claim 3 keeps using capillary, it is characterised in that:So that the outer diameter center of the capillary and the contact of first optical fiber and second optical fiber be generally in it is same The through hole is arranged in the mode of position.
- 5. optical fiber as claimed in claim 3 keeps using capillary, it is characterised in that:So that the midpoint of the distance between centers of the outer diameter center of the capillary and first optical fiber and second optical fiber The through hole is arranged in the mode for being generally in same position.
- 6. optical fiber as claimed in claim 1 or 2 keeps using capillary, it is characterised in that:The optical fiber holding is at least 3 optical fiber to be accommodated in the capillary in the through hole with capillary.
- 7. optical fiber as claimed in claim 6 keeps using capillary, it is characterised in that:So that at least 3 respective cores of optical fiber are generally on straight line described in the radial section of the capillary The through hole is arranged in mode.
- 8. optical fiber as claimed in claim 1 or 2 keeps using capillary, it is characterised in that:The inner wall of the capillary does not have corner.
- 9. a kind of optical component characterized by comprisingCapillary is used in optical fiber holding according to any one of claims 1 to 8；WithAt least 2 optical fiber being accommodated in the optical fiber holding capillary.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017192415A JP7102703B2 (en) | 2017-10-02 | 2017-10-02 | Optical fiber holding capillary and optical components |
| JP2017-192415 | 2017-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109597168A true CN109597168A (en) | 2019-04-09 |
Family
ID=65957906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811125834.XA Pending CN109597168A (en) | 2017-10-02 | 2018-09-26 | Optical fiber keeps using capillary and optical component |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7102703B2 (en) |
| CN (1) | CN109597168A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709981A (en) * | 1984-03-05 | 1987-12-01 | Kei Mori | Connecting structure for connecting optical conductors |
| JPH1164671A (en) * | 1997-08-13 | 1999-03-05 | Nippon Electric Glass Co Ltd | Glass capillary tube |
| JP2000081536A (en) * | 1998-06-22 | 2000-03-21 | Oyo Koden Kenkyushitsu:Kk | Terminal part structure of optical fiber and ferrule |
| US6393191B1 (en) * | 1999-04-01 | 2002-05-21 | Jds Uniphase Corporation | Optical terminal for optical fibers with output angle control |
| CN101661135A (en) * | 2008-08-27 | 2010-03-03 | 日本电气硝子株式会社 | Capillary for fixing optical fiber |
| JP5771977B2 (en) * | 2010-12-22 | 2015-09-02 | コニカミノルタ株式会社 | Fiber optic ferrule |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5594822A (en) | 1995-12-05 | 1997-01-14 | Corning Incorporated | Fiber optic couplers, preform and method of making same |
| JP2000155234A (en) | 1998-11-24 | 2000-06-06 | Nippon Electric Glass Co Ltd | Capillary for optical fiber |
-
2017
- 2017-10-02 JP JP2017192415A patent/JP7102703B2/en active Active
-
2018
- 2018-09-26 CN CN201811125834.XA patent/CN109597168A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709981A (en) * | 1984-03-05 | 1987-12-01 | Kei Mori | Connecting structure for connecting optical conductors |
| JPH1164671A (en) * | 1997-08-13 | 1999-03-05 | Nippon Electric Glass Co Ltd | Glass capillary tube |
| JP2000081536A (en) * | 1998-06-22 | 2000-03-21 | Oyo Koden Kenkyushitsu:Kk | Terminal part structure of optical fiber and ferrule |
| US6393191B1 (en) * | 1999-04-01 | 2002-05-21 | Jds Uniphase Corporation | Optical terminal for optical fibers with output angle control |
| CN101661135A (en) * | 2008-08-27 | 2010-03-03 | 日本电气硝子株式会社 | Capillary for fixing optical fiber |
| JP5771977B2 (en) * | 2010-12-22 | 2015-09-02 | コニカミノルタ株式会社 | Fiber optic ferrule |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7102703B2 (en) | 2022-07-20 |
| JP2019066679A (en) | 2019-04-25 |
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