CN107219591A - Optical fiber lens coupler and preparation method thereof - Google Patents
Optical fiber lens coupler and preparation method thereof Download PDFInfo
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- CN107219591A CN107219591A CN201710460048.4A CN201710460048A CN107219591A CN 107219591 A CN107219591 A CN 107219591A CN 201710460048 A CN201710460048 A CN 201710460048A CN 107219591 A CN107219591 A CN 107219591A
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- optical fiber
- substrate
- lens
- fiber lens
- groove
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 246
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 224
- 239000000835 fiber Substances 0.000 claims abstract description 77
- 239000000853 adhesive Substances 0.000 claims abstract description 28
- 230000001070 adhesive effect Effects 0.000 claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 13
- 238000010168 coupling process Methods 0.000 abstract description 13
- 238000005859 coupling reaction Methods 0.000 abstract description 13
- 238000005538 encapsulation Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000009738 saturating Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- -1 borosilicate Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4239—Adhesive bonding; Encapsulation with polymer material
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to a kind of optical passive component, a kind of optical fiber lens coupler and preparation method thereof is specifically referred to.Existing optical fiber lens are required for doing after metalized is fixed on laser diode or fiber waveguide front end is coupled with laser diode or fiber waveguide using welding manner, and encapsulation technology difficulty is high, and cost is high, and power output is not high.A kind of optical fiber lens coupler that the present invention is provided and preparation method thereof, it is to be fixed on optical fiber lens leading section on the strip substrate that glass based material is constituted with adhesive, the lens end of optical fiber lens is vacantly set in base ends, some optical fiber lens array can be set on substrate simultaneously, finally connect the joints of optical fibre on the tail optical fiber of optical fiber lens.Encapsulation matrix and laser diode or fiber waveguide need to only be carried out butt coupling by the optical fiber lens coupler of the present invention, the manufacture craft of the fiber coupler of the present invention is simple simultaneously, the problem of effective technical difficulty for solving the encapsulation of existing fiber Lens Coupling is high, packaging cost is high.
Description
Technical field
The invention belongs to optical communication field, be related to a kind of Passive Optical Components, specifically refer to a kind of optical fiber lens coupler and
The preparation method of its fiber coupler.
Background technology
Optical fiber lens are the couplings for laser diode, the coupling of fiber waveguide, and in sampling, the detection of sensor and doctor
Biological field is learned all to be widely used.Optical fiber lens are in the coupling for fiber waveguide or laser diode, it is necessary to will
Optical fiber lens encapsulation, which is fixed on laser diode or the front end of fiber waveguide, to be used to receive the energy that laser diode or fiber waveguide are sent
Amount, when encapsulating fixed, the front end bare fibre section of optical fiber lens must do optical fiber metalized, i.e., plated on bare fibre surface
Then optical fiber lens after metallization are weldingly fixed on laser diode or fiber waveguide front end by upper 2-3 microns nickel-gold layer.Light
Fine lens when being welded and fixed in order to reach higher coupling efficiency, optical fiber lens lens end and laser diode or fiber waveguide it
Between matching distance all below micron level, so the technical difficulty for causing optical fiber lens to be welded and fixed is higher so that laser
The coupling package cost of diode, fiber waveguide and optical fiber lens is too high, it is impossible to which large-scale promotion is used.
The content of the invention
It is to seal optical fiber lens in advance it is an object of the invention to provide a kind of optical fiber lens coupler and preparation method thereof
It is embedded in glass basis and forms one, only need to be by encapsulation matrix and laser two in laser diode or optical waveguide coupled encapsulation
Pole pipe or fiber waveguide carry out butt coupling, while the preparation method of the fiber coupler of the present invention, technique is simple, effectively solve
The problem of certainly existing fiber lens and laser diode or fiber waveguide carry out the technical difficulty height of strap, packaging cost is high.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of optical fiber lens coupler, is the strip that optical fiber lens leading section is fixed on to glass based material composition with adhesive
On substrate, described substrate has extending to the substrate other end from one end of substrate and set and at least one on substrate
Groove, is provided with the cover plate consistent with substrate shape, the groove between described cover plate and substrate on described groove
Optical fiber lens are provided with, the lens end of optical fiber lens is vacantly set in described base ends, the tail optical fiber of described optical fiber lens
Extend described substrate rear end in end；Optical fiber lens and cover plate and substrate are fixed as one by filling adhesive in described groove
Body.
Be provided with the substrate end-face of above-mentioned ditch front of the slot with the groove be mutually perpendicular to insertion and through on substrate
The U-shaped groove of lower surface, the lens end of the optical fiber lens is hanging in described U-shaped groove.
Above-mentioned substrate is stepped, and described groove is opened on the upper ladder platform terrace of substrate, and described cover plate is put
Put on groove and to be fitted with ladder platform terrace on substrate, the tail optical fiber of described optical fiber lens extends substrate downstairs step
Face, optical fiber curing glue is bonded with the downstairs step surface of the substrate and is fixed as described optical fiber lens tail optical fiber with substrate
One.
The cross section of above-mentioned groove is V-type, U-shape structure.
Above-mentioned substrate is the through hole that substrate front and rear end is provided through in cuboid, substrate upper end, the optical fiber
Lens are accommodated with being fixed as one in described through hole and by the adhesive and substrate being filled in through hole.
The optical fiber lens are accommodated with being fixed as in described through hole and by the adhesive and substrate being filled in through hole
One.
Above-mentioned through hole cross section is O-shaped, triangle, square or polygonized structure.
Above-mentioned optical fiber lens include taper, wedge shape, spherical optical fibre lens.
The joints of optical fibre are connected with the tail optical fiber of above-mentioned optical fiber lens.
The preparation method of above-mentioned optical fiber lens coupler, comprises the steps：
1st, a substrate is taken, is fixed in substrate holder；
2nd, an optical fiber lens are taken, are fixed on the fibre holder on rear side of substrate holder；
3rd, fibre holder is adjusted, the fiber segment of optical fiber lens is positioned in the groove of substrate, the lens end of optical fiber lens is stretched
Go out groove ends；
4th, a cover plate is taken to be positioned on substrate, cover plate outward flange is flushed with substrate；
5th, filling adhesive in the groove between cover plate and substrate；
6th, fibre holder is adjusted again, is made optical fiber lens end hanging in the front end of groove and is less than with the end face distance of groove
5 microns；
7th, solidify adhesive, optical fiber lens is fixed as one with cover plate and substrate.
The preparation method of above-mentioned optical fiber lens coupler, also comprises the steps：
After the completion of described optical fiber lens front end fiber segment is fixed, optical fiber curing glue is bonded on the substrate on the outside of the groove will
The tail optical fiber of optical fiber lens is fixed as one with substrate；
The joints of optical fibre are connected on the tail optical fiber of the optical fiber lens.
The present invention has the following advantages that and effect compared with prior art：
1st, optical fiber lens are encapsulated in the substrate of glass baseplate by the present invention in advance, when laser diode or fiber waveguide and optical fiber are saturating
When mirror is coupled, it need to only be matched by fixed glass substrate with laser diode or fiber waveguide, optical fiber lens and glass after encapsulation
Glass substrate is integrated, it is easy to which coupling operation, encapsulation difficulty is small, with low cost, is adapted to a wide range of popularization of batch.
2nd, because the output of high-power light energy can only typically seek high-power fiber waveguide or laser diode and optical fiber lens
Coupling, and high-power fiber waveguide or laser diode cost are higher, and substantially monopolized by foreign technology, therefore the present invention can
Realize multiple optical fiber lens array on the glass substrate, multiple optical fiber lens tail optical fibers can permeate an output end or multiple outputs
End, easily realizes the high-power energy output of multiple fiber waveguides or laser diode, reduces to obtain high-power light energy
Output and great number cost that the fiber waveguide of demand or laser diode are brought.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the board structure schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the optical fiber lens and substrate assembling structure schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the front-end architecture schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the board structure schematic diagram of the embodiment of the present invention 2.
Fig. 6 is the optical fiber lens and substrate assembling structure schematic diagram of the embodiment of the present invention 2.
Fig. 7 is the front-end architecture schematic diagram of the embodiment of the present invention 3.
Fig. 8 is the board structure schematic diagram of the embodiment of the present invention 3.
Fig. 9 is the optical fiber lens and substrate assembling structure schematic diagram of the embodiment of the present invention 3.
Figure 10 is the structural representation of the embodiment of the present invention 4.
Figure 11 is the board structure schematic diagram of the embodiment of the present invention 4.
In figure, 1- optical fiber lens, 2- substrates, 3- optical fiber curing glue, 4- cover plates, 5- connectors, 21- downstairs, 22- ditches
Groove, the upper ladders of 23-, 24-U type grooves, 25- through holes.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings;
Embodiment 1 is referring to Fig. 1.A kind of optical fiber lens coupler, including stair-stepping rectangular-shape substrate 2, described substrate 2
Made using clear glass based material, such as quartz, borosilicate, monocrystalline silicon.As shown in Fig. 2 substrate 2 is step-like, substrate 2 has
Top bar 23 and get out of a predicament or an embarrassing situation 21, the step surface central part of the upper ladder 23 of substrate 2 offers the groove 22 of V-type, described groove
Through the front/rear end of ladder on substrate 23 before and after 22, the groove depth of groove 22 is 0.16mm-0.18mm, and the angle of groove 22 is
88 ° -92 °, U-shaped groove 24 is offered on the front end substrate end face of groove 22, U-shaped groove 24 is opened in the front end face of substrate 2
The surface of upper ladder 23 and substrate lower end bottom surface upper and that run through substrate up and down, while U-shaped groove 24 and the step of ladder 23 on substrate 2
The groove 22 in face is mutually perpendicular to insertion, and the U-shaped width of groove 24 is more than the groove width of groove 22.On the step surface of upper ladder 23 of substrate 2
Cover plate 4 is provided with, the material of cover plate 4 is consistent with substrate 2, edge size and the ladder platform terrace one on substrate 2 of the cover plate 4
Cause, thickness is not higher than substrate thickness.Cover plate 4, which sets to cover into the top of groove 22 on ladder platform terrace on a substrate 2, makes V-type
Groove 22 is into V-type cavernous structure, and the both sides of the edge of cover plate 4 are flushed with the step surface both sides of the edge of ladder on substrate 23, before cover plate 4
End margin is flushed with the U-shaped bottom portion of groove edge of the front end of substrate 2, is prolonged V-groove 22 in V shaped hole and is placed with conical fiber lens
1.As shown in figure 3, the lens end of optical fiber lens 1 is positioned in the U-shaped groove 24 of the front end of groove 22 into vacant state, optical fiber lens
1 lens end is apart from 1-5 microns of substrate front end surface.Bare optical fiber on rear side of the lens end of optical fiber lens 1 is out of, V-type groove 22
Extend on the step surface of downstairs 21 of substrate 2, the tail optical fiber of optical fiber lens 1 stretches out from the rear end of the step surface of substrate downstairs 21.
The fiber segment of optical fiber lens 1 is fixed in the V shaped hole that cover plate 4 and groove 22 are formed filled with adhesive in the groove 22 of V-type,
Optical fiber curing glue is bonded with the step surface of the downstairs 21 of substrate 2 simultaneously to consolidate the rearward end of the tail optical fiber of optical fiber lens 1 and substrate 2
It is set to one.The joints of optical fibre 5 are connected with the afterbody for the tail optical fiber of optical fiber lens 1 for stretching out substrate 2.
The preparation method of the fiber coupler of the present embodiment, comprises the steps：
1. taking the above-mentioned substrate 2 with V-groove 22 of a present embodiment, the groove of substrate holder is clamped to
Interior, substrate 2 is in described groove, and the surface of ladder 23 is higher than the groove upper surface of substrate holder, the groove 22 of substrate 2 thereon
Upwards, the groove end of substrate is located at the groove front end of substrate holder；
2. the conical fiber lens 1 for taking a basic embodiment above-mentioned, by apart from the light of the lens end 20-50mm distances of optical fiber lens 1
Fine section is laterally clamped to having on the fibre holder of three-dimensional adjustment function on rear side of substrate, the lens of the optical fiber lens
End fiber segment is placed on the top of groove 22 of substrate 2；
3. adjusting fibre holder, by the regulation downwards of optical fiber lens 1 to the bottom of the groove 22 of substrate, and make optical fiber lens 1
Lens end is located in the U-shaped groove 24 of substrate trench front end；
4. taking the above-mentioned cover plate 4 of a present embodiment, cover plate 4 is placed on above the groove 22 of substrate, and adjust the left and right of cover plate 4
Lateral edges and the step surface of upper ladder 23 of substrate or so lateral edges are flushed, the forward edge of cover plate 4 and the U-shaped groove of substrate front end
24 bottom margin is flushed；
5. the rear end notch point gum machine injection ultraviolet adhesive of the groove 22 in substrate, makes V-type of the adhesive along groove 22
Conduit is completely immersed in forward groove 22 and is filled up completely with groove；
6. adjust optical fiber clamping fixture again, make the lens ends of optical fiber lens 1 in the U-shaped groove 24 of substrate and with substrate 2
Front end surface distance is 1-5 microns；
7. opening uviol lamp, make ultraviolet light 3 minutes on the cover board, ultraviolet light is irradiated light on the adhesive through cover plate 4
Fine lens 1 are fixed as one with substrate 2 and cover plate 4；
8. point gum machine injection fibre solidification glue is used again on the step surface of downstairs 21 of substrate trench rear end by substrate downstairs
The tail optical fiber of optical fiber lens 1 on 23 step surfaces is completely covered；The height of injection fibre solidification glue is less than the upper surface of cover plate, optical fiber
The edge of solidification glue 3 is no more than the step surface edge of downstairs 21 of substrate；
9. be again turned on uviol lamp, make optical fiber curing glue 3 upper 1 minute of the ultraviolet light on substrate downstairs face, by optical fiber
The tail optical fiber of lens 1 is fixed as one with substrate 2；
10. opening fibre holder and substrate holder, packaged optical fiber lens 1 are removed together together with substrate 2；
11. it is connected with the joints of optical fibre 5 on the tail optical fiber for the rear end of optical fiber lens 1 removed.
Embodiment 2
Referring to Fig. 4, Fig. 5, Fig. 6.The optical fiber lens coupler that the present embodiment is provided, as different from Example 1, embodiment 2
Offering the groove 22 of 2 V-types on substrate 2 on the step surface center of ladder 23 side by side, the angles of two grooves 22 is 58 °-
62 °, the groove depth of groove 22 is 0.17mm-0.20mm, described 2 V-grooves through upper ladder 23 step front/rear end,
The groove that U-shaped 24,2 groove widths of groove 22 of groove are less than U-shaped groove 24 is offered on the front end substrate end face of the groove 22 of 2 V-types
It is wide.Cover plate 4, which is set, on a substrate 2 covers the groove 22 of 2 V-types, and optical fiber lens 1 are placed with each groove 22,
Optical fiber lens 1 are fixed as one with substrate 2 and cover plate 4 filled with adhesive in each groove 22,2 optical fiber lens 2
Lens end is in vacant state in U-shaped groove 24, and the lens end of 2 optical fiber lens is mutually juxtaposed unanimously.2 optical fiber are saturating
The tail optical fiber of mirror 1 extends substrate 2 simultaneously, optical fiber curing glue 3 is bonded with the step surface of 2 downstairs of substrate 23 2 optical fiber are saturating
The tail optical fiber of mirror 1 is fixed as one with the downstairs step surface of substrate 2, is stretching out 2 tail optical fibers of optical fiber lens 1 of substrate 2 by conjunction beam welding
For a tail optical fiber output, the afterbody of the optical fiber pigtail after beam is closed is connected with the joints of optical fibre.
The preparation method of the optical fiber lens coupler of the present embodiment, comprises the steps：
1. taking the substrate 2 of the above-mentioned groove 22 with V-type of a present embodiment, the recessed of substrate holder is clamped to
In groove, substrate is in described groove, and its upper surface is higher than the groove upper surface of substrate holder, the groove 22 on substrate 2 to
On, the end of groove 22 of substrate is located at the groove front end of substrate holder；
2. first optical fiber lens that the present embodiment is above-mentioned are taken, by apart from the fiber segment of the lens end 20-50mm distances of optical fiber lens 1
Laterally be clamped to the rear side of substrate 2 has on the first fibre holder of three-dimensional adjustment function, the optical fiber lens it is saturating
Mirror end fiber segment is placed on the top of groove 22 of substrate；
3. the first fibre holder is adjusted, by the regulation downwards of first optical fiber lens to first bottom of groove 22 of substrate, and
The lens end of the first optical fiber lens is set to be located in the U-shaped groove 24 of substrate front end；
4. second optical fiber lens that the present embodiment is above-mentioned are taken, by apart from the fiber segment of optical fiber lens lens end 20-50mm distances
Laterally it is clamped to on three-dimensional adjustment the second fibre holder of function, the lens end optical fiber of the second optical fiber lens is placed on
Directly over second groove 22 of substrate；
5. adjusting the second fibre holder, by the regulation downwards of second optical fiber lens to the second groove bottom of substrate, and make the
The lens end of two optical fiber lens is located in the U-type groove of substrate front end；
6. taking the cover plate that the present embodiment is above-mentioned, cover plate is placed on above 2 grooves of the substrate, and adjust a left side for cover plate 4
Right side edge and the step surface of upper ladder 23 of substrate or so lateral edges are flushed, and the forward edge of cover plate 4 is U-shaped recessed with substrate front end
The bottom margin of groove 24 is flushed；
7. injecting ultraviolet adhesive with point gum machine respectively in the rear end notch of 2 grooves of substrate 2, make adhesive along 2 bar ditch
The V-groove road of groove is completely immersed in forward groove 22 and is filled up completely with two grooves；
8. adjusting the first fibre holder and the second fibre holder respectively again, make the first optical fiber lens and the second optical fiber lens
Lens end be respectively positioned in the groove of substrate and be 1-5 microns with the front end surface distance of substrate；
9. opening uviol lamp, make ultraviolet light in cover plate 4 upper 3 minute, ultraviolet light is irradiated on the adhesive by two through cover plate
Root optical fiber lens are fixed as one with substrate and cover plate；
10. again will with point gum machine injection fibre solidification glue 3 on the step surface of downstairs 21 of 2 rear ends of V-groove 22 of substrate
2 optical fiber lens tail optical fibers on the table top of downstairs 21 of substrate are completely covered；The height of optical fiber curing glue 3 is less than the upper surface of cover plate 4,
The edge of optical fiber curing glue 3 is no more than the step surface edge of downstairs 21 of substrate 2；
10. being again turned on uviol lamp, make ultraviolet light 1 minute on the optical fiber curing glue on the step surface of substrate downstairs 21,
2 tail optical fibers of optical fiber lens 1 and substrate 2 are fixed as one；
11. the first fibre holder, first substrate clamper and the second fibre holder, second substrate clamper are opened successively,
2 packaged optical fiber lens are removed together together with substrate；
12. the tail optical fiber of 2 optical fiber lens is closed into Shu Ronghe on an optical fiber pigtail；
13. it is connected with the joints of optical fibre on the optical fiber pigtail after closing beam welding.
Embodiment 3
Referring to Fig. 7, Fig. 8, Fig. 9.
The optical fiber lens coupler that the present embodiment is provided, as different from Example 2, ladder 23 on the substrate 2 of embodiment 3
22,12 grooves of groove for offering 12 V-types on step surface successively side by side are adjacent successively.Cover plate 4 is arranged on the upper rank of substrate 2
12 grooves 22 are covered on terraced 23 steps, 1,12 optical fiber lens of optical fiber lens phase successively is placed with each groove 22
It is adjacent to be corresponded side by side with 12 grooves.The lens end of the present embodiment optical fiber lens is to be filled out in sphere lenses, each groove 22
Each optical fiber lens are fixed as one with substrate 2 and cover plate 4 filled with adhesive, the lens end of 12 optical fiber lens is U-shaped recessed
Vacant state is in groove 24, and the lens end of 12 optical fiber lens is mutually juxtaposed unanimously.The tail optical fiber of 12 optical fiber lens
Extend substrate 2 simultaneously, optical fiber curing glue 3 is bonded with by the tail of 12 optical fiber lens 1 on the step surface of downstairs 21 of substrate 2
Fibre is fixed as one with substrate 2, is respectively connected with the every optical fiber lens tail optical fiber of 12 optical fiber lens tail optical fibers for stretching out substrate 2
The joints of optical fibre, 12 joints of optical fibre are arranged evenly into sector.
The preparation method of the optical fiber lens coupler of the present embodiment, comprises the steps：
1. the substrate 2 for taking a present embodiment above-mentioned, is clamped in the groove of substrate holder, substrate is described
In groove, its upper surface is higher than the groove upper surface of substrate holder, and the groove 22 of substrate is upward, the groove end position of substrate 2
In the groove front end of substrate holder；
2. first optical fiber lens that the present embodiment is above-mentioned are taken, by apart from the fiber segment of optical fiber lens lens end 20-50mm distances
Laterally it is clamped on the first fibre holder with three-dimensional adjustment function, the lens end optical fiber of the first optical fiber lens is placed
Directly over the first groove of substrate；
3. adjusting the first fibre holder, the regulation downwards of first optical fiber lens is arrived to outermost first groove 22 of substrate
Bottom, and the lens end of first optical fiber lens is located in the U-shaped groove 24 of the front end of substrate 2；
4. second optical fiber lens that the present embodiment is above-mentioned are taken, by apart from the fiber segment of optical fiber lens lens end 20-50mm distances
Laterally it is clamped on the second fibre holder with three-dimensional adjustment function, the lens end optical fiber of the second optical fiber lens is placed
Directly over second groove of substrate；
5. the second fibre holder is adjusted, by the regulation downwards of second optical fiber lens to second bottom of groove 22 of substrate, and
The lens end of the second optical fiber lens is set to be located in the U-shaped groove 24 of substrate front end；
6. repeating 2-5 steps, the 3rd to the 12nd above-mentioned optical fiber lens of the present embodiment are sequentially adjusted in being placed on substrate
The bottom of upper corresponding 3rd to the 12nd groove 22, and the lens end of each optical fiber lens is respectively positioned on the U of substrate front end
In type groove 24；
7. taking the cover plate 4 that the present embodiment is above-mentioned, cover plate 4 is placed on above 12 grooves 22 of substrate 2, and adjust cover plate 4
Left and right lateral edges and the step surface of upper ladder 23 of substrate or so lateral edges are flushed, and the forward edge of cover plate 4 is U-shaped with substrate front end
The bottom margin of groove 24 is flushed；
8. injecting ultraviolet adhesive with point gum machine respectively in the rear end notch of 12 grooves 22 of substrate 2, make adhesive along 12
The V-type raceway groove of bar groove is completely immersed in forward groove 22 and is filled up completely with groove；
9. it is sequentially adjusted in the first fibre holder, the second fibre holder, the 3rd fibre holder to the 12nd light respectively again
Fine clamper, makes first optical fiber lens, second optical fiber lens, the 3rd optical fiber lens to the 12nd optical fiber lens respectively
Lens end be respectively positioned in the U-shaped groove 24 of the front end of substrate 2 and be 1-5 microns with the front end surface distance of substrate；
10. opening uviol lamp, make ultraviolet light 3 minutes on glass cover-plate, ultraviolet light irradiates on the adhesive through cover plate
12 optical fiber lens and substrate and cover plate are fixed as one；
11. again will with point gum machine injection fibre solidification glue 3 on the step surface of downstairs 21 of 12 rear ends of groove 22 of substrate
12 optical fiber lens tail optical fibers on the step surface of substrate downstairs 21 are completely covered；The height of optical fiber curing glue 3 is less than cover plate upper surface,
Its edge is no more than the step surface edge of downstairs 21 of substrate；
12. being again turned on uviol lamp, make ultraviolet light 1 minute on the optical fiber curing glue on the step surface of substrate downstairs 21,
12 tail optical fibers of optical fiber lens 1 are fixed as one with the step surface of substrate downstairs 21；
13. open successively the first fibre holder and first substrate clamper, the clamping of the second optical fiber and with second substrate clamper,
3rd fibre holder and the 3rd substrate holder, will be packaged to the 12nd fibre holder and dodecyl plate holder
12 optical fiber lens are removed together together with substrate 2；
14. the joints of optical fibre will be connected on the tail optical fiber of 12 optical fiber lens, 12 joints of optical fibre are distributed into sector.
Embodiment 4
Referring to Figure 10, Figure 11.The optical fiber lens coupler of the present embodiment, including the glassy substrate 2 of a cuboid, in substrate 2
First half front/rear end through there is a circular shape type through hole 25, a diameter of 0.15-0.18mm of front aperture of the through hole 25, after
The a diameter of 0.3-0.4mm of stomidium, prolongs substrate upper and lower end face in the front end face of substrate 2 and opens up U-shaped groove 24, U-shaped groove 24 and base
The front end through hole of through hole 25 on plate is mutually perpendicular to insertion.The optical fiber lens 1 of cone, optical fiber are provided with described through hole 25
The U-shaped groove 24 in front end that substrate is stretched at the lens end of lens 2 is interior hanging in U-shaped groove 24, and optical fiber lens lens end distance
Optical fiber clad on rear side of 1-5 microns of substrate front end surface, optical fiber lens lens end penetrates the rear end of ladder hole 25 and from rank
Terraced through hole back-end extends the rear end face of substrate 2, and ultraviolet adhesive is filled with the ladder hole 25 of substrate 2 by optical fiber lens 1
It is fixed as one with substrate 2.
The preparation method of the present embodiment fiber coupler, comprises the steps：
1. taking the substrate 2 of the above-mentioned through hole 25 with circular shape type of a present embodiment, substrate clamping is clamped to
In the groove of device.The bottom hole portion of through hole 25 of substrate is higher than the groove upper surface of substrate holder；
2. the optical fiber lens 1 for taking a basic embodiment above-mentioned, by the front end of optical fiber lens 1 is through the ladder hole 25 of substrate and stretches out
Substrate end-face, has three by being clamped in apart from the fiber segment of optical fiber lens lens end 20-50mm distances on rear side of substrate holder
On the fibre holder of dimension adjustment function；
3. ultraviolet adhesive is injected in the aperture of through hole with point gum machine in substrate rear end, adhesive soaks forward completely along ladder hole
Enter ladder hole and fill through hole；
4. adjusting fibre holder, the lens end of optical fiber lens is set to be located in the U-shaped groove 24 of substrate front end and apart from substrate
1-5 microns of front end surface；
5. opening uviol lamp, make ultraviolet light 3 minutes on substrate, ultraviolet light is irradiated on the adhesive by optical fiber through substrate
Lens 1 are fixed as one with substrate 2；
6. opening fibre holder, packaged optical fiber lens 1 are removed together together with substrate 2.
The above embodiment of the present invention, is simply enumerated to technical solution of the present invention, does not represent what the present invention was covered
Protection domain, therefore the technical scheme similar or identical to the technology of the present invention principle, belong to protection scope of the present invention.
The present invention is in encapsulation in use, substrate package need to be only fixed on to laser diode or the front end Coupling point of fiber waveguide
On, due to substrate adjustment more relatively easy than optical fiber, need to only substrate position be adjusted so that optical fiber lens end and laser diode or light
Waveguide carries out coupling matching, realizes maximum coupling efficiency output.
Claims (10)
1. a kind of optical fiber lens coupler, is by optical fiber lens（1）Leading section is fixed on glass based material composition with adhesive
Strip substrate（2）On, described substrate（1）With extending to the substrate other end from one end of substrate and be arranged on substrate
At least one groove（22）, in described groove（22）On be provided with the cover plate consistent with substrate shape（4）, in the lid
Groove between plate and substrate（22）Inside it is provided with optical fiber lens（1）, the lens end of optical fiber lens is in described substrate（2）End
Portion is vacantly set, described optical fiber lens（1）Tail optical fiber end extend described substrate（2）Rear end；In described groove（22）
Interior filling adhesive is by optical fiber lens（1）With cover plate（4）And substrate（2）It is fixed as one.
2. optical fiber lens coupler according to claim 1, it is characterised in that：The groove（22）The substrate end-face of front end
On be provided with and the groove（22）Be mutually perpendicular to insertion and the U-shaped groove through substrate upper and lower surface（24）, the light
The lens end of fine lens is hanging in described U-shaped groove（24）It is interior.
3. optical fiber lens coupler according to claim 1 or 2, it is characterised in that：Described substrate（2）To be stepped,
Described groove（22）It is opened in the upper ladder of substrate（23）On step surface, described cover plate（4）It is placed on groove（22）It is upper with
Ladder platform terrace fits on substrate, described optical fiber lens（1）Tail optical fiber extend substrate downstairs（21）Step surface, in institute
State the downstairs of substrate（21）Optical fiber curing glue is bonded with step surface（3）By described optical fiber lens（1）Tail optical fiber and substrate（2）
It is fixed as one.
4. optical fiber lens coupler according to claim 3, it is characterised in that：Described groove（22）Cross section be V
Type, U-shape structure.
5. optical fiber lens coupler according to claim 1 or claim 2, it is characterised in that：Described substrate（2）For cuboid, institute
State the through hole that substrate front and rear end is provided through in substrate upper end（25）, the optical fiber lens accommodate and described through hole
（25）Adhesive and substrate interior and by being filled in through hole（2）It is fixed as one.
6. optical fiber lens coupler according to claim 5, it is characterised in that：The through hole（25）Cross section for it is O-shaped, three
Angular, square or polygonized structure.
7. optical fiber lens coupler according to claim 6, it is characterised in that：Described optical fiber lens（1）Including taper,
Wedge shape, spherical optical fibre lens.
8. optical fiber lens coupler according to claim 6, it is characterised in that：It is connected with the tail optical fiber of the optical fiber lens
The joints of optical fibre（5）.
9. a kind of preparation method of the optical fiber lens coupler described in any one claims of claim 1-7, including following steps
Suddenly：
1）Take a substrate（2）, it is fixed in substrate holder；
2）Take an optical fiber lens（1）, it is fixed on the fibre holder on rear side of substrate holder；
3）Fibre holder is adjusted, the fiber segment of optical fiber lens is positioned in the groove of substrate, the lens end of optical fiber lens is stretched
Go out groove ends；
4）Take a cover plate（4）It is positioned on substrate, cover plate outward flange is flushed with substrate；
5）Filling adhesive in groove between cover plate and substrate；
6）Fibre holder is adjusted again, is made optical fiber lens end hanging in the front end of groove and is less than with the end face distance of groove
5 microns；
7）Solidify adhesive, make optical fiber lens（1）With cover plate（4）And substrate（2）It is fixed as one.
10. the preparation method of optical fiber lens coupler according to claim 8, it is characterised in that：Also comprise the steps：
After the completion of described optical fiber lens front end fiber segment is fixed, optical fiber curing glue is bonded on the substrate on the outside of the groove will
Optical fiber lens（1）Tail optical fiber and substrate（2）It is fixed as one；
In the optical fiber lens（1）Tail optical fiber on connect the joints of optical fibre（5）.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710460048.4A CN107219591A (en) | 2017-06-17 | 2017-06-17 | Optical fiber lens coupler and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710460048.4A CN107219591A (en) | 2017-06-17 | 2017-06-17 | Optical fiber lens coupler and preparation method thereof |
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ID=59949740
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| CN201710460048.4A Pending CN107219591A (en) | 2017-06-17 | 2017-06-17 | Optical fiber lens coupler and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794523A (en) * | 2018-08-03 | 2020-02-14 | 朗美通经营有限责任公司 | Coupling between waveguide device and fiber stub |
| CN111468830A (en) * | 2020-04-17 | 2020-07-31 | 中南大学 | COC optical fiber automatic coupling packaging equipment and method |
| CN111830646A (en) * | 2020-05-12 | 2020-10-27 | 上海交通大学 | Optical fiber coupling packaging structure, coupling packaging method and coupling array |
| CN111948762A (en) * | 2019-05-15 | 2020-11-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398513A (en) * | 2007-09-26 | 2009-04-01 | 博创科技股份有限公司 | Optical fiber array device of cramped construction and method for manufacturing same |
| CN202886638U (en) * | 2012-11-08 | 2013-04-17 | 扬中市华瑞通讯仪器有限公司 | Manufacture tool for optical fiber array component |
| CN103676035A (en) * | 2013-12-17 | 2014-03-26 | 昂纳信息技术（深圳）有限公司 | Packaging method for planar optical waveguide chip |
| CN205539565U (en) * | 2016-01-20 | 2016-08-31 | 东莞市胜创光电科技有限公司 | Novel fiber array |
| CN205670204U (en) * | 2016-05-24 | 2016-11-02 | 深圳市中兴新地技术股份有限公司 | A kind of 45° angle fiber array for coupling with VCSEL chip |
| CN106842428A (en) * | 2017-02-16 | 2017-06-13 | 深圳市鹏大光电技术有限公司 | For the self focusing light fibre array and its manufacture method of the coupling of VSCEL or PIN arrays |
-
2017
- 2017-06-17 CN CN201710460048.4A patent/CN107219591A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398513A (en) * | 2007-09-26 | 2009-04-01 | 博创科技股份有限公司 | Optical fiber array device of cramped construction and method for manufacturing same |
| CN202886638U (en) * | 2012-11-08 | 2013-04-17 | 扬中市华瑞通讯仪器有限公司 | Manufacture tool for optical fiber array component |
| CN103676035A (en) * | 2013-12-17 | 2014-03-26 | 昂纳信息技术（深圳）有限公司 | Packaging method for planar optical waveguide chip |
| CN205539565U (en) * | 2016-01-20 | 2016-08-31 | 东莞市胜创光电科技有限公司 | Novel fiber array |
| CN205670204U (en) * | 2016-05-24 | 2016-11-02 | 深圳市中兴新地技术股份有限公司 | A kind of 45° angle fiber array for coupling with VCSEL chip |
| CN106842428A (en) * | 2017-02-16 | 2017-06-13 | 深圳市鹏大光电技术有限公司 | For the self focusing light fibre array and its manufacture method of the coupling of VSCEL or PIN arrays |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794523A (en) * | 2018-08-03 | 2020-02-14 | 朗美通经营有限责任公司 | Coupling between waveguide device and fiber stub |
| CN111948762A (en) * | 2019-05-15 | 2020-11-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN111468830A (en) * | 2020-04-17 | 2020-07-31 | 中南大学 | COC optical fiber automatic coupling packaging equipment and method |
| CN111468830B (en) * | 2020-04-17 | 2021-06-04 | 中南大学 | COC optical fiber automatic coupling packaging equipment and method |
| CN111830646A (en) * | 2020-05-12 | 2020-10-27 | 上海交通大学 | Optical fiber coupling packaging structure, coupling packaging method and coupling array |
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Application publication date: 20170929 |