CN105467524A - An apparatus for manufacturing a polarization maintaining fiber array and an application method thereof - Google Patents
An apparatus for manufacturing a polarization maintaining fiber array and an application method thereof Download PDFInfo
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- CN105467524A CN105467524A CN201510912013.0A CN201510912013A CN105467524A CN 105467524 A CN105467524 A CN 105467524A CN 201510912013 A CN201510912013 A CN 201510912013A CN 105467524 A CN105467524 A CN 105467524A
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- maintaining optical
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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
- G02B6/3632—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means
- G02B6/3636—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means the mechanical coupling means being grooves
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Abstract
The invention discloses an apparatus for manufacturing a polarization maintaining fiber array and an application method thereof. The apparatus comprises a clamp, foam, a hand-operated revolving stage, a first microscope and a second microscope. The clamp is arranged to be opposite to the hand-operated revolving stage. The foam is positioned between the clamp and the hand-operated revolving stage. The foam is provided with several slits. A V-groove substrate is installed on the clamp. The V-groove substrate is provided with V grooves corresponding to the slits. The first microscope is arranged in front of the V-groove substrate, and an optical axis of the first microscope is parallel to the V grooves. The second microscope is arranged above the V-groove substrate, and an optical axis of the second microscope is perpendicular to the V grooves. According to the invention, through the slits arranged in the foam and the V-grooves arranged in the V-groove substrate, the center-to-center spacing of the polarization maintaining fiber array is made to be precise. When a polarization axis of the polarization maintaining fiber array is adjusted, a mode of combining foam coarse adjustment and hand-operated revolving stage fine tuning is adopted, and rotation of a polarization maintaining fiber is observed through the first microscope, so that cost is saved; rotation angles can be accurately controlled; and the precision of the position of the polarization axis of the polarization maintaining fiber can be ensured.
Description
Technical field
The invention belongs to Fibre Optical Sensor and fiber array manufacture technology field, be specifically related to a kind of device and the using method thereof of preparing polarization maintaining optical fibre array.
Background technology
Along with greatly developing of optical communication, it is little that the fiber waveguide device produced has volume, integrated development trend, the center of waveguide channels with constant spacing arrangement point-blank, for high-precision optical waveguide array and being coupled between optical fiber, the method that simple optical fiber cannot be adopted to dock with waveguide achieves a butt joint, when fiber array is connected with optical waveguide array, each passage all has best coupling light rate, the center distance of fiber array must have very high precision, fiber array is at integrated optical device, all be widely used in optical imagery and detection system.Simultaneously along with the development in the field such as optical fiber communication and Fibre Optical Sensor, polarization maintaining optical fibre obtains a wide range of applications with its distinctive polarization mode transport property, high-precision relevant detection and optical fiber sensing technology are the bases of optical fibre gyro, the stability of its output signal determined by the stability of two bundle coherent light polarization states in optical fiber, polarization maintaining optical fibre can realize the stable transfer of polarized light, can meet the requirement of high-precision sensing.In the application of optical fibre gyro, linearly polarized light be made to inject along a birefringence axis, need the position determining polarization axle, this just needs to need polarization axle to aim at when making fiber array.
But present production equipment, the center distance of fiber array and the position of polarization axle are difficult to precisely determine, the polarization maintaining optical fibre array difficult quality guarantee of making, and equipment is complicated, uses inconvenience.
Summary of the invention
For above-mentioned deficiency described in the prior, the object of this invention is to provide a kind of fiber array center distance precision high, polarization axle position is accurate, and equipment is simple, device and the using method thereof of what product quality was high prepare polarization maintaining optical fibre array.
For realizing above-mentioned technical purpose, the technical solution adopted in the present invention is as follows:
Prepare a device for polarization maintaining optical fibre array, comprise fixture, foam, manual rotation platform, microscope I and microscope II, fixture and manual rotation platform are oppositely arranged, and foam, between fixture and manual rotation platform, foam is provided with some gaps; Fixture is provided with V groove substrate, V groove substrate is provided with some V grooves corresponding with gap; Microscope I is arranged on the front of V groove substrate and the optical axis of microscope I is parallel with V groove, and microscope II is arranged on the top of V groove substrate and the optical axis of microscope II is vertical with V groove.
Described V groove substrate comprises substrate body, and substrate body is two stage steps structure, comprises one-level step and two stage steps, two stage steps is provided with some V grooves, V groove is provided with cover plate, cover plate is provided with pressing plate.
Spacing between described V groove is 127 μm or 250 μm.
Described fixture comprises chuck body, and chuck body is provided with groove, is provided with the rectangular channel for installing V groove substrate in groove, is provided with U groove substrate, U groove substrate is provided with U groove in the groove in rectangular channel front, and the bottom surface of U groove is plane; The both sides of groove are provided with groove, and the top and bottom of groove are equipped with threaded hole, and pressing plate is arranged on above cover plate and the two ends of pressing plate are positioned at corresponding groove, and pressing plate tightens up through corresponding threaded hole by screw I and screw II.
Between screw I and pressing plate, be provided with spring and steel ball I, and steel ball I contacts with pressing plate, between screw II and pressing plate, be provided with steel ball II.
The bottom of described U groove, the bottom of V groove and the bottom in gap are positioned at same plane.
Prepare the using method of the device of polarization maintaining optical fibre array, step is as follows:
Step 1, cleans up V groove substrate and cover plate;
Step 2, is placed in the rectangular channel in the groove of fixture with plastic tweezer by V groove substrate;
Step 3, by one end of N root polarization maintaining optical fibre removing coat, and cuts smooth by end face;
Step 4, one end polarization maintaining optical fibre being removed coat is placed in V groove, and the other end of polarization maintaining optical fibre is arranged in manual rotation platform behind the gap through the correspondence of foam, and at V groove upper cap upper cover plate;
Step 5, regulate the adjusting bracket of microscope II, observe corresponding CCD display, stir polarization maintaining optical fibre, polarization maintaining optical fibre is made to put into V groove completely, and adjust cap locations, make cover plate that the V groove of V groove substrate is covered completely and be alignd, and make the naked fine part of polarization maintaining optical fibre extend in U groove, turn screw II gently, steel ball II below pressing plate moves down, and by the effect of spring, cover plate and V slot is put relative fixing;
Step 6, the three-dimensional adjustable shelf of fine setting microscope I, observes corresponding CCD display, finds the end face of polarization maintaining optical fibre, and carry out correcting image;
Step 7, rotates polarization maintaining optical fibre;
Step 8, carries out a UV glue to the two stage steps of V groove substrate and solidifies;
Step 9, carries out a UV glue to the one-level step of V groove substrate and solidifies;
Step 10, after the one-level step UV of V groove substrate has solidified, has turned screw II, steel ball II has moved, and takes out semi-manufacture, carries out UV shower;
Step 11, utilizes grinding and polishing board to carry out end face grinding and polishing to polarization maintaining optical fibre array.
In step 7, rotation polarization maintaining optical fibre is specially, first, manual rotation polarization maintaining optical fibre is positioned at the one end at foam gap place, coarse adjustment is carried out to polarization maintaining optical fibre, and the rotation of panda eye by the image viewing polarization maintaining optical fibre in CCD display, when straight line and the reference horizontal line less parallel at panda eye center and core district center place, stopping coarse adjustment;
Next utilizes manual rotation platform to carry out fine tuning rotation to polarization maintaining optical fibre, and passes through the rotation of the panda eye of the image viewing polarization maintaining optical fibre in CCD display, and when panda eye rotates tangent with two datum lines, stop operating, polarization maintaining optical fibre pre-fixes by blend compounds band.
In step 8, the step of two stage steps point UV adhesive curing is specific as follows: first, in the two stage steps of V groove substrate near an end points UV glue of one-level step, waits for that ultraviolet glue uniformly penetrating is in cover plate and V groove, secondly, observed in V groove by microscope II and have bubble-free; Then, regulate the adjuster bar of UV lamp, make UV lamp shine in two stage steps, carry out UV solidification.
In step 9, the step of one-level step point UV adhesive curing is specific as follows: particularly, first, and at the one-level step point UV glue of V groove substrate, the glue amount of UV glue is no more than cover plate; Then, regulate the adjuster bar of UV lamp, make UV lamp shine on one-level step, carry out UV solidification.
The present invention makes the center distance of polarization maintaining optical fibre array accurate by the V groove on gap that foam is arranged and V groove substrate, when adjusting the polarization axle of polarization maintaining optical fibre array, adopt the mode that foam coarse adjustment combines with the fine tuning of manual rotation platform, and the rotation of polarization maintaining optical fibre is observed by microscope I, namely provide cost savings, accurately can control the anglec of rotation again, can also guarantee that the polarization axle position of polarization maintaining optical fibre is accurate, meet the requirement that the extinction ratio that market requires is greater than 30dB.The polarization maintaining optical fibre array quality using device of the present invention to prepare is good, and the centre distance of fiber array is accurate, and polarization axle position is accurate, and present device cost of manufacture is low, and method of operating is simple, and product quality is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of fixture of the present invention.
Fig. 2 is the wiring layout of V groove substrate of the present invention, polarization maintaining optical fibre and fixture.
Fig. 3 is the assembly drawing of fixture of the present invention, microscope I and foam.
Fig. 4 is using state figure of the present invention.
Fig. 5 is the structural representation of V groove substrate of the present invention.
Fig. 6 is the structural representation of panda protecting polarized light fiber of the present invention.
Fig. 7 is the panda protecting polarized light fiber structural representation of band datum line.
Embodiment
As shown in figs. 1-7, a kind of device preparing polarization maintaining optical fibre array, comprise fixture 10, foam 7, manual rotation platform (for illustrating in figure), microscope I 8 and microscope II 11, fixture 10 and manual rotation platform are oppositely arranged, foam 7, between fixture 10 and manual rotation platform, foam 7 is provided with some gaps; Fixture 10 is provided with V groove substrate 5, V groove substrate 5 is provided with some V grooves corresponding with gap; Microscope I 8 is arranged on the front of V groove substrate 5 and the optical axis of microscope I 8 is parallel with V groove, and microscope II 11 is arranged on the top of V groove substrate 5 and the optical axis of microscope II 11 is vertical with V groove.
Described V groove substrate 5 comprises substrate body, and substrate body is two stage steps structure, comprises one-level step 5-1 and two stage steps 5-2, and two stage steps 5-2 is provided with some V grooves, and the spacing between V groove is 127 μm or 250 μm.V groove is provided with cover plate, cover plate is provided with pressing plate 2.
Described fixture 10 comprises chuck body, chuck body being provided with groove 10-1, in groove 10-1, being provided with the rectangular channel 10-2 for installing V groove substrate 5, in the groove 10-1 in rectangular channel 10-2 front, be provided with U groove substrate 10-3, U groove substrate 10-3 is provided with U groove, and the bottom surface of U groove is plane; The both sides of groove 10-1 are provided with groove 10-4, the top and bottom of groove 10-4 are equipped with threaded hole, pressing plate 2 is arranged on above cover plate and the two ends of pressing plate and is positioned at corresponding groove 10-4, and pressing plate 2 tightens up through corresponding threaded hole by screw I 3 and screw II 3-1.
The bottom of described U groove, the bottom of V groove and the bottom in gap are positioned at same plane.
Preferably, between screw I 3 and pressing plate 2, be provided with spring and steel ball I, and steel ball I contacts with pressing plate 2, between screw II 3-1 and pressing plate 2, be provided with steel ball II.
Prepare the using method of the device of polarization maintaining optical fibre array, step is as follows:
Step 1, cleans up V groove substrate 5 and cover plate.
Step 2, to be placed on V groove substrate 5 with plastic tweezer in the rectangular channel 10-2 in the groove 10-1 of fixture 10.
Step 3, by one end of N root polarization maintaining optical fibre 6 removing coat, and cuts smooth by end face.
Step 4, one end polarization maintaining optical fibre 6 being removed coat is placed in V groove, and the other end of polarization maintaining optical fibre 6 is arranged in manual rotation platform behind the gap through the correspondence of foam 7, and at V groove upper cap upper cover plate;
Step 5, regulate the adjusting bracket of microscope II 11, observe corresponding CCD display, stir polarization maintaining optical fibre 6, polarization maintaining optical fibre 6 is made to put into V groove completely, and adjust cap locations, the V groove of V groove substrate 5 is covered by cover plate completely, and makes the naked fine part of polarization maintaining optical fibre 6 extend in U groove, turn screw II 3-1 gently, steel ball II below pressing plate 2 moves down, and by the effect of spring, cover plate and V slot is put relative fixing.
Step 6, the three-dimensional adjustable shelf of fine setting microscope I 8, observes corresponding CCD display 9, finds the end face of polarization maintaining optical fibre, and carry out correcting image.
Step 7, rotates polarization maintaining optical fibre 6.
Particularly, first, manual rotation polarization maintaining optical fibre 6 is positioned at the one end at foam 7 gap place, coarse adjustment is carried out to polarization maintaining optical fibre, and pass through the rotation of the panda eye of the image viewing polarization maintaining optical fibre 6 in CCD display 9, when straight line and reference horizontal line 14 less parallel at panda eye center and core district center place, stop coarse adjustment;
Next utilizes manual rotation platform to carry out fine tuning rotation to polarization maintaining optical fibre 6, and pass through the rotation of the panda eye of the image viewing polarization maintaining optical fibre 6 in CCD display 9, when panda eye rotates tangent with two datum lines 15, stop operating, polarization maintaining optical fibre 6 pre-fixes by blend compounds band;
Then, turn screw II 3-1 on fixture 10, the steel ball II below pressing plate 2 moves down, and by the effect of spring, makes the pressure increase of pressing plate 2 pairs of cover plates, ensures that opal is partially not dynamic.
Step 8, carries out a UV glue to the two stage steps 5-2 of V groove substrate 5 and solidifies.
Specific as follows: first, at the two stage steps 5-2 of V groove substrate 5 near the end points UV glue of one-level step 5-1, wait for that ultraviolet glue uniformly penetrating is in cover plate and V groove, secondly, by having bubble-free in microscope II 11 observation V groove; Then, regulate the adjuster bar of UV lamp, make UV lamp shine on two stage steps 5-2, carry out UV solidification.
Step 9, carries out a UV glue to the one-level step 5-1 of V groove substrate 5 and solidifies.
Particularly, first, at the one-level step 5-1 point UV glue of V groove substrate 5, the glue amount of UV glue is no more than cover plate; Then, regulate the adjuster bar of UV lamp, make UV lamp shine on one-level step, carry out UV solidification.
Step 10, after the one-level step UV of V groove substrate 5 has solidified, has turned screw II 3-1, steel ball II has moved, and takes out semi-manufacture, carries out UV shower.
Step 11, utilizes grinding and polishing board to carry out end face grinding and polishing to polarization maintaining optical fibre array.
In the present invention, polarization maintaining optical fibre also can adopt butterfly polarization maintaining optical fibre.Described polarization maintaining optical fibre comprises core district, stressed zone and cladding regions, has two orthogonal polarization axles, and wherein the center of two stressed zones and the straight line at core district center place are defined as slow axis, and another is fast axle, and the straight line parallel with slow axis is datum line.
In polarization maintaining optical fibre array, in two adjacency channels, the polarization axle of polarization maintaining optical fibre is consistent or vertical.Manual rotation platform precision is 0.46 °, meets polarization angle to be less than the ± requirement of 1.81 °.
Polarization maintaining optical fibre array pitch is determined by the spacing of V groove, channel pitch can be 127 μm, 250 μm, and its port number can for the natural number being more than or equal to 2, the polarization axle of the polarization maintaining optical fibre in adjacent V groove passage can unanimously or vertical, and datum line can be made on microscopical display screen.
Claims (10)
1. prepare the device of polarization maintaining optical fibre array for one kind, it is characterized in that: comprise fixture (10), foam (7), manual rotation platform, microscope I (8) and microscope II (11), fixture (10) and manual rotation platform are oppositely arranged, foam (7) is positioned between fixture (10) and manual rotation platform, and foam (7) is provided with some gaps; Fixture (10) is provided with V groove substrate (5), V groove substrate (5) is provided with some V grooves corresponding with gap; Microscope I (8) is arranged on the front of V groove substrate (5) and the optical axis of microscope I (8) is parallel with V groove, and microscope II (11) is arranged on the top of V groove substrate (5) and the optical axis of microscope II (11) is vertical with V groove.
2. the device preparing polarization maintaining optical fibre array according to claim 1, it is characterized in that: described V groove substrate (5) comprises substrate body, substrate body is two stage steps structure, comprise one-level step (5-1) and two stage steps (5-2), two stage steps (5-2) is provided with some V grooves, V groove is provided with cover plate, cover plate is provided with pressing plate (2).
3. the device preparing polarization maintaining optical fibre array according to claim 2, is characterized in that: the spacing between described V groove is 127 μm or 250 μm.
4. the device preparing polarization maintaining optical fibre array according to claim 1 and 2, it is characterized in that: described fixture (10) comprises chuck body, chuck body is provided with groove (10-1), the rectangular channel (10-2) for installing V groove substrate (5) is provided with in groove (10-1), U groove substrate (10-3) is provided with in the groove (10-1) in rectangular channel (10-2) front, U groove substrate (10-3) is provided with U groove, and the bottom surface of U groove is plane; The both sides of groove (10-1) are provided with groove (10-4), the top and bottom of groove (10-4) are equipped with threaded hole, pressing plate (2) is arranged on above cover plate and the two ends of pressing plate and is positioned at corresponding groove (10-4), and pressing plate (2) tightens up through corresponding threaded hole by screw I (3) screw II (3-1).
5. the device preparing polarization maintaining optical fibre array according to claim 4, it is characterized in that: between screw I (3) and pressing plate (2), be provided with spring and steel ball I, and steel ball I contacts with pressing plate (2), between screw II (3-1) and pressing plate (2), be provided with steel ball II.
6. the device preparing polarization maintaining optical fibre array according to claim 4, is characterized in that: the bottom of described U groove, the bottom of V groove and the bottom in gap are positioned at same plane.
7. the using method preparing the device of polarization maintaining optical fibre array according to claim 1, is characterized in that: step is as follows:
Step 1, cleans up V groove substrate (5) and cover plate;
Step 2, to be placed in the rectangular channel (10-2) in the groove (10-1) of fixture (10) by V groove substrate (5) with plastic tweezer;
Step 3, by one end of N root polarization maintaining optical fibre (6) removing coat, and cuts smooth by end face;
Step 4, be placed in V groove by one end of polarization maintaining optical fibre (6) removing coat, the other end of polarization maintaining optical fibre (6) is arranged in manual rotation platform behind the gap through the correspondence of foam (7), and at V groove upper cap upper cover plate;
Step 5, regulate the adjusting bracket of microscope II (11), observe corresponding CCD display, stir polarization maintaining optical fibre (6), polarization maintaining optical fibre (6) is made to put into V groove completely, and adjust cap locations, the V groove of V groove substrate (5) is covered by cover plate completely, and makes the naked fine part of polarization maintaining optical fibre (6) extend in U groove, turn screw II (3-1) gently, the steel ball II of pressing plate (2) below moves down, and by the effect of spring, cover plate and V slot is put relative fixing;
Step 6, the three-dimensional adjustable shelf of fine setting microscope I (8), observes corresponding CCD display (9), finds the end face of polarization maintaining optical fibre, and carry out correcting image;
Step 7, rotates polarization maintaining optical fibre (6);
Step 8, carries out a UV glue to the two stage steps of V groove substrate (5) and solidifies;
Step 9, carries out a UV glue to the one-level step of V groove substrate (5) and solidifies;
Step 10, after the one-level step UV of V groove substrate (5) has solidified, has turned screw II (3-1), takes out semi-manufacture, carries out UV shower;
Step 11, utilizes grinding and polishing board to carry out end face grinding and polishing to polarization maintaining optical fibre array.
8. the using method preparing the device of polarization maintaining optical fibre array according to claim 7, it is characterized in that: in step 7, rotate polarization maintaining optical fibre (6) to be specially, first, manual rotation polarization maintaining optical fibre (6) is positioned at the one end at foam (7) gap place, coarse adjustment is carried out to polarization maintaining optical fibre, and pass through the rotation of the panda eye of the image viewing polarization maintaining optical fibre (6) in CCD display (9), when straight line and reference horizontal line (14) less parallel at panda eye center and core district center place, stop coarse adjustment;
Next utilizes manual rotation platform to carry out fine tuning rotation to polarization maintaining optical fibre (6), and pass through the rotation of the panda eye of the image viewing polarization maintaining optical fibre (6) in CCD display (9), when panda eye rotates tangent with two datum lines (15), stop operating, polarization maintaining optical fibre (6) pre-fixes by blend compounds band.
9. the using method preparing the device of polarization maintaining optical fibre array according to claim 7, it is characterized in that: in step 8, the step of two stage steps point UV adhesive curing is specific as follows: first, in the two stage steps of V groove substrate (5) near an end points UV glue of one-level step, wait for that ultraviolet glue uniformly penetrating is in cover plate and V groove, secondly, by having bubble-free in microscope II (11) observation V groove; Then, regulate the adjuster bar of UV lamp, make UV lamp shine in two stage steps, carry out UV solidification.
10. the using method preparing the device of polarization maintaining optical fibre array according to claim 7, it is characterized in that: in step 9, the step of one-level step point UV adhesive curing is specific as follows: particularly, first, at the one-level step point UV glue of V groove substrate (5), the glue amount of UV glue is no more than cover plate; Then, regulate the adjuster bar of UV lamp, make UV lamp shine on one-level step, carry out UV solidification.
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| CN201510912013.0A CN105467524B (en) | 2015-12-11 | 2015-12-11 | Prepare the device and its application method of polarization maintaining optical fibre array |
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| CN201510912013.0A CN105467524B (en) | 2015-12-11 | 2015-12-11 | Prepare the device and its application method of polarization maintaining optical fibre array |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315227A (en) * | 2017-07-28 | 2017-11-03 | 晓视自动化科技（上海）有限公司 | A kind of optical fiber assembles equipment |
| CN108196337A (en) * | 2018-01-24 | 2018-06-22 | 珠海艾文科技有限公司 | A kind of Preparation equipment and preparation method of polarization maintaining optical fibre array |
| CN108663764A (en) * | 2018-05-21 | 2018-10-16 | 武汉驿路通科技股份有限公司 | The method of optical fiber assembling jig and assembling optical fiber |
| CN113290467A (en) * | 2021-07-26 | 2021-08-24 | 武汉光谷航天三江激光产业技术研究院有限公司 | Optical fiber array alignment grinding clamping system and method |
| CN113608308A (en) * | 2021-09-30 | 2021-11-05 | 武汉驿路通科技股份有限公司 | Coupling device and coupling method for polarization maintaining fiber and optical isolator |
| US11914193B2 (en) | 2021-06-22 | 2024-02-27 | Corning Research & Development Corporation | Optical assembly for coupling with two-dimensionally arrayed waveguides and associated methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107315227A (en) * | 2017-07-28 | 2017-11-03 | 晓视自动化科技（上海）有限公司 | A kind of optical fiber assembles equipment |
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| CN113290467A (en) * | 2021-07-26 | 2021-08-24 | 武汉光谷航天三江激光产业技术研究院有限公司 | Optical fiber array alignment grinding clamping system and method |
| CN113608308A (en) * | 2021-09-30 | 2021-11-05 | 武汉驿路通科技股份有限公司 | Coupling device and coupling method for polarization maintaining fiber and optical isolator |
| CN113608308B (en) * | 2021-09-30 | 2021-12-31 | 武汉驿路通科技股份有限公司 | Coupling device and coupling method for polarization maintaining fiber and optical isolator |
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