CN106547050A - A kind of polarization maintaining optical fibre polarization principal axis alignment device - Google Patents
A kind of polarization maintaining optical fibre polarization principal axis alignment device Download PDFInfo
- Publication number
- CN106547050A CN106547050A CN201710059289.8A CN201710059289A CN106547050A CN 106547050 A CN106547050 A CN 106547050A CN 201710059289 A CN201710059289 A CN 201710059289A CN 106547050 A CN106547050 A CN 106547050A
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- maintaining optical
- optical fibre
- micro
- locating slot
- polarization maintaining
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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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of polarization maintaining optical fibre polarization principal axis alignment device, and in particular to fiber optic collimator field.Which solve the poor deficiency of existing polarization principal axis alignment precision.The polarization maintaining optical fibre polarization principal axis alignment device, including controlling organization and aligning guide, the both sides of aligning guide are symmetrically arranged with the first mobile platform and the second mobile platform for moving in the X-axis direction, the first rotary table and the second rotary table are respectively equipped with first mobile platform and the second mobile platform, aligning guide includes the first micro-imaging component being arranged in a mutually vertical manner and the second micro-imaging component, the first locating slot and the second locating slot are provided between first micro-imaging component and the second micro-imaging component, first locating slot is connected flexible hinge with the bottom of the second locating slot, the first imaging illumination lamp and the second imaging illumination lamp are respectively equipped with above first micro-imaging component and the second micro-imaging component.
Description
Technical field
The present invention relates to fiber optic collimator field, and in particular to a kind of polarization maintaining optical fibre polarization principal axis alignment device.
Background technology
In polarization maintaining optical fibre welding, need to be directed at the polarization principal axis of two polarization maintaining optical fibres to be continued, generally there are two classes
Alignment device.One class is end face image method, is to load optical fiber to be continued in one rotary apparatus, treats the end of jointed fiber
Face carries out image acquisition and analysis, finds out both sides polarization maintaining optical fibre polarization principal axis position, and passes through rotary apparatuss spin fiber so that
The polarization principal axis alignment of both sides continuous polarization maintaining optical fibre waiting, end view drawing picture are often made due to image acquisition, the impact of identification equally accurate
The alignment error for obtaining the polarization principal axis of both sides polarization maintaining optical fibre is larger;Another kind of is side image method, is the side to polarization maintaining optical fibre
It is imaged, and Data acquisition and issuance is carried out to image, is found out both sides polarization maintaining optical fibre polarization principal axis position, then by rotating dress
Put spin fiber so that the polarization principal axis of both sides continuous polarization maintaining optical fibre waiting alignment, this device is often due to light in rotary course
Impact of the fine bounce to image acquisition, its polarization principal axis alignment precision are poor.
The content of the invention
The purpose of the present invention is for above-mentioned deficiency, it is proposed that a kind of polarization maintaining optical fibre of raising polarization principal axis alignment precision is inclined
Shake spindle alignment device.
The present invention is specifically adopted the following technical scheme that:
A kind of polarization maintaining optical fibre polarization principal axis alignment device, including controlling organization and aligning guide, the both sides pair of aligning guide
Title is provided with the first mobile platform and the second mobile platform for moving in the X-axis direction, first mobile platform and the second movement
The first rotary table and the second rotary table are respectively equipped with platform, aligning guide includes that be arranged in a mutually vertical manner first shows
Micro- image-forming assembly and the second micro-imaging component, are provided with first fixed between the first micro-imaging component and the second micro-imaging component
Position groove and the second locating slot, the first locating slot are connected flexible hinge with the bottom of the second locating slot, the first micro-imaging component and
The first imaging illumination lamp and the second imaging illumination lamp are respectively equipped with above second micro-imaging component.
Preferably, first locating slot is made using ceramic material with the second locating slot, and V-shaped.
Preferably, the first locating slot is provided with for keeping the first presser feet of fiber position, the second locating slot to be provided with use
In the second presser feet for keeping fiber position.
Preferably, first locating slot is mutually perpendicular to the direction of motion of the second locating slot.
Preferably, the rotation of first rotary table and the second rotary table adds one-level tooth by stepping reducing motor
Wheel deceleration is completed, and its running accuracy is 0.1 ° of every step.
Preferably, a to be continued polarization maintaining optical fibre for preparing end face is clamped in the first rotary table, naked light
Fine part is positioned by the first locating slot, and is compressed by the first presser feet, by another the to be continued polarization maintaining optical fibre for preparing end face
It is clamped in the second rotary table, is positioned by the second locating slot, and is compressed by the second presser feet;
By being imaged the first imaging illumination lamp and the second imaging illumination lamp, two polarization maintaining optical fibres to be continued are projected into the
In one micro-imaging component and the second micro-imaging component, imaging is processed by controlling organization;
Polarization maintaining optical fibre carries out X-axis propulsion by the first mobile platform and the second mobile platform again, then by the first locating slot and
Two locating slots carry out Y-axis and Z-direction alignment, then are revolved by the first rotary table of both sides and the second rotary table
Turn, in rotary course, polarization maintaining optical fibre is entered using micro-imaging of the first micro-imaging component with the second micro-imaging component
Row image side faces, and the image side faces of the polarization maintaining optical fibre to rotating carry out data collection and analysis, detect that polarization maintaining optical fibre is polarized
Main spindle's, then realize that polarization principal axis are aligned by rotating polarization maintaining optical fibre.
The invention has the advantages that:Polarization maintaining optical fibre is positioned at into the first positioning using the first presser feet and the second presser feet
In groove and the second locating slot, polarization maintaining optical fibre is accurately rotated using the first rotary table and the second rotary table, complete two
The accurate alignment of side polarization maintaining optical fibre polarization principal axis, to solve the welding needs of polarization maintaining optical fibre High Extinction Ratio.
Description of the drawings
Fig. 1 is the polarization maintaining optical fibre polarization principal axis alignment device front view;
Fig. 2 is the polarization maintaining optical fibre polarization principal axis alignment device top view;
A-A schematic diagrams of the Fig. 3 for Fig. 1.
Wherein, 1 is the first locating slot, and 2 is the second locating slot, and 3 is the first presser feet, and 4 is the second presser feet, and 5 are the first movement
Platform, 6 is the second mobile platform, and 7 is the first rotary table, and 8 is the second rotary table, and 9 is the first micro-imaging component,
10 is the second micro-imaging component, and 11 is the first imaging illumination lamp, and 12 is the second imaging illumination lamp, and 13 is controlling organization.
Specific embodiment
The specific embodiment of the present invention is described further with specific embodiment below in conjunction with the accompanying drawings:
As shown in Figure 1-2, a kind of polarization maintaining optical fibre polarization principal axis alignment device, including controlling organization and aligning guide, alignment
The both sides of mechanism are symmetrically arranged with the first mobile platform 5 and the second mobile platform 6 for moving in the X-axis direction, the first mobile platform 5
Be respectively equipped with the first rotary table 7 and the second rotary table 8 on the second mobile platform 6, aligning guide includes mutually hanging down
Straight the first micro-imaging component 9 for arranging and the second micro-imaging component 10, the first micro-imaging component 9 and the second micro-imaging
The first locating slot 1 and the second locating slot 2 are provided between component 10, the first locating slot 1 is connected flexibility with the bottom of the second locating slot 2
The top of hinge, the first micro-imaging component 9 and the second micro-imaging component 10 is respectively equipped with the first imaging illumination lamp 11 and
Two imaging illumination lamps 12.
First locating slot 1 is made using ceramic material with the second locating slot 2, and V-shaped.
First locating slot 1 is provided with for keeping the first presser feet 3 of fiber position, the second locating slot 2 to be provided with for protecting
Hold the second presser feet 4 of fiber position.
First locating slot 1 is mutually perpendicular to the direction of motion of the second locating slot 2.
First rotary table 7 adds primary gear speed reducing complete by stepping reducing motor with the rotation of the second rotary table 8
Into its running accuracy is 0.1 ° of every step.
As shown in figure 3, a to be continued polarization maintaining optical fibre for preparing end face is clamped in the first rotary table 7,
Plain fiber portion is positioned by the first locating slot 1, and is compressed by the first presser feet 3, by another the to be continued guarantor for preparing end face
Polarisation fibre is clamped in the second rotary table 8, and plain fiber portion is positioned by the second locating slot 2, and is compressed by the second presser feet 4.
Two polarization maintaining optical fibres to be continued are projected into the second micro-imaging component by being imaged the first imaging illumination lamp 11
In 10, by the second imaging illumination lamp 12, two polarization maintaining optical fibres to be continued are projected in the first micro-imaging component 9, by
Controlling organization 13 is processed to imaging;
Polarization maintaining optical fibre carries out X-axis propulsion by the first mobile platform and the second mobile platform again, then carries out Z by the first locating slot
Direction of principal axis be aligned, Y direction alignment is carried out by the second locating slot, the first locating slot under the control of flexible hinge, along shown in Fig. 3
Z-direction motion, realize the alignment of Z-direction, the second locating slot under the control of flexible hinge, along the Y-axis side shown in Fig. 3
To motion, the alignment of Y direction is realized.
Respectively both sides polarization maintaining optical fibre is rotated with the second rotary table 8 by the first rotary table of both sides 7 again,
The naked fibre of polarization maintaining optical fibre is all the time by under the synergism of the first locating slot 1, the second locating slot 2, the first presser feet 3 and the second presser feet 4
Keep its orientation, in rotary course, using the first micro-imaging component 9 and the second micro-imaging component 10 it is micro- into
As image side faces are carried out to polarization maintaining optical fibre, and the image side faces of the polarization maintaining optical fibre to rotating carry out data collection and analysis, detect
Go out polarization maintaining optical fibre polarization principal axis position, then realize that polarization principal axis are aligned by rotating polarization maintaining optical fibre.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
Change, remodeling, addition or replacement that the technical staff in domain is made in the essential scope of the present invention, should also belong to the present invention's
Protection domain.
Claims (6)
1. a kind of polarization maintaining optical fibre polarization principal axis alignment device, including controlling organization and aligning guide, the both sides of aligning guide are symmetrical
The first mobile platform and the second mobile platform for moving in the X-axis direction is provided with, first mobile platform and the second movement are flat
The first rotary table and the second rotary table are respectively equipped with platform, aligning guide includes that be arranged in a mutually vertical manner first is micro-
Image-forming assembly and the second micro-imaging component, are provided with the first positioning between the first micro-imaging component and the second micro-imaging component
Groove and the second locating slot, the first locating slot are connected flexible hinge, the first micro-imaging component and with the bottom of the second locating slot
The first imaging illumination lamp and the second imaging illumination lamp are respectively equipped with above two micro-imaging components.
2. a kind of polarization maintaining optical fibre polarization principal axis alignment device as claimed in claim 1, it is characterised in that first locating slot
Made using ceramic material with the second locating slot, and it is V-shaped.
3. a kind of polarization maintaining optical fibre polarization principal axis alignment device as claimed in claim 1 or 2, it is characterised in that the first locating slot
It is provided with for keeping the first presser feet of fiber position, the second locating slot is provided with for keeping the second presser feet of fiber position.
4. a kind of polarization maintaining optical fibre polarization principal axis alignment device as claimed in claim 3, it is characterised in that first locating slot
It is mutually perpendicular to the direction of motion of the second locating slot.
5. a kind of polarization maintaining optical fibre polarization principal axis alignment device as claimed in claim 1, it is characterised in that the first rotation work
The rotation for making platform with the second rotary table adds primary gear speed reducing to complete by stepping reducing motor, and its running accuracy is every step
0.1°。
6. a kind of polarization maintaining optical fibre polarization principal axis alignment device as described in claim 4 or 5, it is characterised in that waiting by
The continuous polarization maintaining optical fibre for preparing end face is clamped in the first rotary table, and plain fiber portion is positioned by the first locating slot, and
Compressed by the first presser feet, another the to be continued polarization maintaining optical fibre for preparing end face is clamped in the second rotary table, by
Second locating slot is positioned, and is compressed by the second presser feet;
By being imaged the first imaging illumination lamp and the second imaging illumination lamp, two polarization maintaining optical fibres to be continued are projected into first and is shown
In micro- image-forming assembly and the second micro-imaging component, imaging is processed by controlling organization;
Polarization maintaining optical fibre carries out X-axis propulsion by the first mobile platform and the second mobile platform again, then fixed by the first locating slot and second
Position groove carries out Y-axis and Z-direction alignment, then is rotated by the first rotary table of both sides and the second rotary table,
In rotary course, side is carried out to polarization maintaining optical fibre using the micro-imaging of the first micro-imaging component and the second micro-imaging component
Imaging, and the image side faces of the polarization maintaining optical fibre to rotating carry out data collection and analysis, detect polarization maintaining optical fibre polarization principal axis position
Put, then realize that polarization principal axis are aligned by rotating polarization maintaining optical fibre.
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CN201710059289.8A CN106547050A (en) | 2017-01-24 | 2017-01-24 | A kind of polarization maintaining optical fibre polarization principal axis alignment device |
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CN201710059289.8A CN106547050A (en) | 2017-01-24 | 2017-01-24 | A kind of polarization maintaining optical fibre polarization principal axis alignment device |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107065067A (en) * | 2017-04-27 | 2017-08-18 | 苏州高新区建金建智能科技有限公司 | A kind of optical fiber twisting device |
CN107132618A (en) * | 2017-04-08 | 2017-09-05 | 邹辉 | A kind of microstructured optical fibers welding system and welding process |
CN108761633A (en) * | 2018-07-25 | 2018-11-06 | 武汉飞泰智能设备有限公司 | Polarization-preserving fiber axis fixing machine |
CN108919521A (en) * | 2018-07-27 | 2018-11-30 | 南京恒高光电研究院有限公司 | A kind of polarization principal axis alignment system and method for squeezing polarization maintaining optical fibre |
CN109884745A (en) * | 2018-12-12 | 2019-06-14 | 金华八达集团有限公司科技信息分公司 | A kind of optical cable welding station |
CN111290080A (en) * | 2020-02-26 | 2020-06-16 | 广州奥鑫通讯设备有限公司 | Polarization maintaining optical fiber countershaft splicing method |
CN112558224A (en) * | 2020-12-17 | 2021-03-26 | 中电科仪器仪表(安徽)有限公司 | Optical fiber alignment device |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107132618A (en) * | 2017-04-08 | 2017-09-05 | 邹辉 | A kind of microstructured optical fibers welding system and welding process |
CN107065067A (en) * | 2017-04-27 | 2017-08-18 | 苏州高新区建金建智能科技有限公司 | A kind of optical fiber twisting device |
CN107065067B (en) * | 2017-04-27 | 2019-12-03 | 孙幼清 | A kind of optical fiber twisting device |
CN108761633A (en) * | 2018-07-25 | 2018-11-06 | 武汉飞泰智能设备有限公司 | Polarization-preserving fiber axis fixing machine |
CN108919521A (en) * | 2018-07-27 | 2018-11-30 | 南京恒高光电研究院有限公司 | A kind of polarization principal axis alignment system and method for squeezing polarization maintaining optical fibre |
CN109884745A (en) * | 2018-12-12 | 2019-06-14 | 金华八达集团有限公司科技信息分公司 | A kind of optical cable welding station |
CN111290080A (en) * | 2020-02-26 | 2020-06-16 | 广州奥鑫通讯设备有限公司 | Polarization maintaining optical fiber countershaft splicing method |
CN111290080B (en) * | 2020-02-26 | 2021-06-18 | 广州奥鑫通讯设备有限公司 | Polarization maintaining optical fiber countershaft splicing method |
CN112558224A (en) * | 2020-12-17 | 2021-03-26 | 中电科仪器仪表(安徽)有限公司 | Optical fiber alignment device |
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