CN117192695B - Optical fiber array and preparation method thereof - Google Patents
Optical fiber array and preparation method thereof Download PDFInfo
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- CN117192695B CN117192695B CN202311024009.1A CN202311024009A CN117192695B CN 117192695 B CN117192695 B CN 117192695B CN 202311024009 A CN202311024009 A CN 202311024009A CN 117192695 B CN117192695 B CN 117192695B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 109
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 97
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 238000005253 cladding Methods 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims description 28
- 239000011247 coating layer Substances 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000003491 array Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920006335 epoxy glue Polymers 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The invention relates to an optical fiber array and a preparation method thereof, wherein the optical fiber array comprises a lower substrate, an upper cover plate, optical fibers and multi-core ribbon fibers, V-shaped grooves are respectively arranged on the upper cover plate and the lower cover plate, the V-shaped grooves on the upper cover plate and the lower cover plate are vertically arranged correspondingly to form a plurality of channels, one end of an optical fiber exposed cladding is inserted into the channel closest to one side edge between the lower substrate and the upper cover plate, one end of the multi-core ribbon fiber exposed cladding is inserted into the rest channels between the lower substrate and the upper cover plate, the lower substrate, the upper cover plate and one end of the multi-core ribbon fiber exposed cladding are fixedly bonded, and the step of the lower substrate is fixedly bonded with the side wall of the upper cover plate and the middle part of the multi-core ribbon fiber respectively. According to the invention, a gap is reserved between the upper cover plate and the lower cover plate by arranging the optical fibers, so that the multicore ribbon fibers are conveniently inserted into corresponding channels, the assembly efficiency is greatly improved, the scratch of the edges of the optical fibers and the V-shaped grooves caused by stirring the optical fibers into the grooves in the prior art is avoided, the fiber breakage rate is obviously reduced, the reliability of the optical fiber array is greatly improved, and the operation is convenient.
Description
Technical Field
The invention relates to the technical field of optical fibers, in particular to an optical fiber array and a preparation method thereof.
Background
With the continuous development of communication technology, optical communication technology has become one of the most important information transmission technologies, and optical fiber arrays are beginning to be widely applied to products such as photoelectric modules, wavelength division multiplexing systems, wavelength selective switches, optical splitters and the like, especially for the optical fiber arrays used in wavelength selective switches (Wavelength Selective Switch, WSS) systems, the requirements on the yield of broken fibers after long-term reliability tests are higher and higher for the manufacturing efficiency of the optical fiber arrays;
because the X-direction core spacing of the optical fiber array is not 250um and 127um conventional spacing, generally 155um/205um/308um or other special spacing, the optical fiber is not directly connected into the groove, a part of the optical fiber is required to be separated into a single optical fiber state and put into the V-shaped groove, the Y-direction optical fiber depth is also generally of an arc-shaped or different-height structure, the upper cover plate and the lower substrate of the optical fiber array are generally provided with double V-groove structure positioning optical fibers to achieve the design of different optical fiber heights, due to the special of the structure, the lower substrate V-groove is usually put in advance and then the optical fibers are stirred to the approximate position of the groove area one by one in the process of assembling the traditional optical fiber array, and the upper cover plate V-groove is used for pressing the optical fibers with the lower substrate V-shaped groove.
Disclosure of Invention
The invention aims to solve the technical problem of providing an optical fiber array and a preparation method thereof aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides a fiber array, includes lower base plate, upper cover plate, optic fibre and multicore area fine, be provided with the V groove on upper cover plate and the lower cover plate respectively, just V groove on upper cover plate and the lower cover plate corresponds from top to bottom and sets up, and forms a plurality of being used for holding optic fibre and multicore area fine passageway, the one end of optic fibre is removed the coating, and exposes the covering, the optic fibre exposes the one end of covering and inserts in the passageway that is closest to one side edge between lower base plate and the upper cover plate, the one end of multicore area fine is removed the coating, and exposes the covering, just the multicore area fine exposes the one end of covering and inserts in the other passageways between lower base plate and the upper cover plate, lower base plate and upper cover plate and between the multicore area fine expose the one end bonding of covering fix, the step department of lower base plate respectively with the lateral wall of upper cover plate and the middle part bonding of multicore area fine.
The beneficial effects of the invention are as follows: according to the optical fiber array, the optical fibers are arranged in the V-shaped groove closest to one side edge between the upper cover plate and the lower cover plate, so that a gap is reserved between the upper cover plate and the lower cover plate, the multi-core ribbon fibers are conveniently inserted into corresponding channels, the assembly efficiency is greatly improved, the scratch of the edges of the optical fibers and the V-shaped groove caused by stirring the optical fibers into the groove in the prior art is avoided, the fiber breakage rate is obviously reduced, the reliability of the optical fiber array is greatly improved, the operation is convenient, and the structure is simple.
Based on the technical scheme, the invention can also be improved as follows:
further: the number of the multi-core ribbon fibers is multiple, the multiple multi-core ribbon fibers are inserted into the channels in a staggered mode, and two adjacent optical fibers in the same multi-core ribbon fiber are respectively inserted into the channels which are spaced from each other.
The beneficial effects of the above-mentioned further scheme are: the multi-core band fibers are inserted into the channels in a staggered manner, and two adjacent optical fibers in the same multi-core band fiber are respectively inserted into the channels which are spaced from each other, so that the problem that the optical fibers in the multi-core band fiber cannot be simultaneously inserted into V grooves with irregular groove spacing can be solved, and the operation efficiency is greatly improved.
Further: the end face of one end of the multi-core belt fiber, from which the coating layer is removed, forms an included angle of 45-60 degrees with the horizontal plane.
The beneficial effects of the above-mentioned further scheme are: through removing the coated end face of the multi-core ribbon fiber and forming an included angle of 45-60 degrees with the horizontal plane, the multi-core ribbon fiber can be conveniently inserted into a corresponding channel through the inclined plane of the end part of the multi-core ribbon fiber, the operation efficiency is improved, and the damage of the optical fiber in the multi-core ribbon fiber can be reduced.
The invention also provides a preparation method of the optical fiber array, which comprises the following steps:
the manufacturing method comprises the steps of preparing a manufactured lower substrate with V grooves and a matched upper cover plate, wherein steps are arranged at the rear ends of the V grooves on the lower substrate;
stripping one end of the optical fiber, exposing the cladding, cleaning, and inserting one end of the optical fiber, which is exposed out of the cladding, into a V-shaped groove on the lower substrate, which is closest to one side edge;
the upper cover plate is covered on the lower substrate, so that V grooves on the upper cover plate and the lower cover plate are correspondingly arranged up and down to form a plurality of channels;
stripping one end of the multi-core band fiber, exposing the cladding, cleaning, dispersing a plurality of optical fibers in the multi-core band fiber, inserting the optical fibers into the channels which are arranged at intervals, and inserting the multi-core band fiber into the channels in a staggered manner;
injecting first curing glue into the channel, and bonding and curing the lower substrate, the upper cover plate, the optical fibers and the multi-core ribbon fibers in the channel;
injecting second curing glue into the step of the lower substrate, and respectively bonding and curing the step of the lower substrate with the side wall of the upper cover plate and the middle part of the multi-core ribbon fiber to form a combination body;
and removing the part of the combined body extending out of the front end of the optical fiber of the channel and the multi-core ribbon fiber, and grinding the front end of the combined body to obtain an optical fiber array finished product.
According to the preparation method of the optical fiber array, the optical fibers are arranged in the V-shaped groove closest to one side edge between the upper cover plate and the lower cover plate, so that a gap is reserved between the upper cover plate and the lower cover plate, the multi-core ribbon fibers are conveniently inserted into corresponding channels, the assembly efficiency is greatly improved, the situation that the edges of the optical fibers and the V-shaped groove are scratched when the optical fibers are stirred into the groove in the prior art is avoided, the fiber breakage rate is obviously reduced, the reliability of the optical fiber array is greatly improved, the operation is convenient, and the structure is simple.
Based on the technical scheme, the invention can also be improved as follows:
further: when one end of the multi-core ribbon fiber is stripped off the coating layer, the method further comprises the following steps:
cutting the end face of the multi-core belt fiber, from which the coating layer is removed, into an included angle of 45-60 degrees with the horizontal plane.
The beneficial effects of the above-mentioned further scheme are: through removing the coated end face of the multi-core ribbon fiber and forming an included angle of 45-60 degrees with the horizontal plane, the multi-core ribbon fiber can be conveniently inserted into a corresponding channel through the inclined plane of the end part of the multi-core ribbon fiber, the operation efficiency is improved, and the damage of the optical fiber in the multi-core ribbon fiber can be reduced.
Further: the first curing glue is epoxy resin glue, and after the epoxy resin glue is injected, the epoxy resin glue is irradiated and cured by an ultraviolet lamp, wherein the irradiation power is 150-200mw/cm 2 The irradiation time is 2-3min, the adhesiveness of the epoxy resin is more than 400cps, the coefficient of thermal expansion CTE is 120-150 ppm/DEG C, and the hardness is more than Shore 80D;
the second curing glue is acrylic acid ester glue, and after the acrylic acid ester glue is injected, the second curing glue is cured by irradiation of an ultraviolet lamp, wherein the irradiation power is 100-150mw/cm 2 The irradiation time is 3-5min, the saidThe acrylate adhesive is 8000-12000cps, and the hardness is Shore 50-80A.
Drawings
FIG. 1 is a schematic diagram of an optical fiber array according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a lower substrate according to an embodiment of the invention;
FIG. 3 is a schematic diagram of an embodiment of an optical fiber with a coating layer removed;
FIG. 4 is a schematic view of the structure of the upper cover plate and the lower substrate according to an embodiment of the invention;
FIG. 5 is a schematic diagram of a multi-core ribbon with a coating layer removed according to an embodiment of the present invention;
FIG. 6 is a schematic top view of a multi-core ribbon fiber insertion channel according to an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating a side view of a multi-core ribbon fiber insertion channel according to an embodiment of the present invention;
FIG. 8 is a schematic top view of a multi-core ribbon fiber insertion channel according to an embodiment of the present invention;
FIG. 9 is a schematic side view of an optical fiber array according to an embodiment of the present invention after curing;
FIG. 10 is a schematic diagram of a fiber array according to an embodiment of the invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. the optical fiber cable comprises a lower base plate, an upper cover plate, 3, optical fibers, 4, first curing glue, 5, multi-core ribbon fibers, 6 and second curing glue.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1, an optical fiber array includes a lower substrate 1, an upper cover plate 2, an optical fiber 3 and a multi-core ribbon fiber 5, V grooves are respectively disposed on the upper cover plate 1 and the lower cover plate 2, the V grooves on the upper cover plate 1 and the lower cover plate 2 are vertically disposed correspondingly, and form a plurality of channels for accommodating the optical fiber 3 and the multi-core ribbon fiber 5, one end of the optical fiber 3 is removed with a coating layer 7 and a cladding layer 8 is exposed, one end of the optical fiber 3 exposed with the cladding layer 8 is inserted into a channel closest to one side edge between the lower substrate 1 and the upper cover plate 2, one end of the multi-core ribbon fiber 5 is removed with the coating layer 7 and exposed with the cladding layer 8, one end of the multi-core ribbon fiber 5 exposed with the cladding layer 8 is inserted into the rest channels between the lower substrate 1 and the upper cover plate 2, one ends of the multi-core ribbon fiber 5 exposed with the cladding layer 8 between the lower substrate 1 and the upper cover plate 2 are fixedly bonded, and the step of the lower substrate 1 is fixedly bonded with the side wall of the upper cover plate 2 and the middle of the multi-core ribbon fiber 5 respectively.
According to the optical fiber array, the optical fibers 3 are arranged in the V-shaped groove closest to one side edge between the upper cover plate 1 and the lower cover plate 2, so that a gap is reserved between the upper cover plate 1 and the lower cover plate 2, the multi-core ribbon fibers 5 are conveniently inserted into corresponding channels, the assembly efficiency is greatly improved, the situation that the edges of the optical fibers and the V-shaped groove are scratched when the optical fibers are stirred into the groove in the prior art is avoided, the fiber breaking rate is obviously reduced, the reliability of the optical fiber array is greatly improved, the operation is convenient, and the structure is simple.
Alternatively, in one or more embodiments of the present invention, the number of the multi-core ribbon fibers 5 is plural, and plural multi-core ribbon fibers 5 are inserted into the channels in a staggered manner, and two adjacent optical fibers in the same multi-core ribbon fiber 5 are respectively inserted into the channels spaced from each other.
By inserting a plurality of the multi-core ribbon fibers 5 into the channels in a staggered manner, and inserting two adjacent optical fibers in the same multi-core ribbon fiber 5 into the channels spaced from each other, the problem that the optical fibers in the multi-core ribbon fiber 5 cannot be simultaneously inserted into V-grooves with irregular groove spacing can be solved, and the operation efficiency is greatly improved.
Optionally, in one or more embodiments of the present invention, the multi-core ribbon fiber 5 has one end face of the coating layer 7 removed and forms an angle of 45-60 ° with the horizontal plane. Through removing the included angle between the end face of one end of the coating 7 of the multi-core band fiber 5 and the horizontal plane, the inclined plane of the end part of the multi-core band fiber 5 can be conveniently inserted into a corresponding channel, the operation efficiency is improved, and the damage of the optical fiber in the multi-core band fiber 5 can be reduced.
It should be noted that, in the embodiment of the present invention, the optical fiber 3 may be used for signal transmission, for example, as a position degree test in the optical fiber array product. Specifically, a channel in which the optical fiber 3 is positioned and a channel in which the other side is closest to the edge are selected, a datum line is arranged between the end parts of the two channels, test signals are respectively input to all the channels, and corresponding position degrees are determined according to the position tolerance between the signals output by each channel and the datum line, so that a test result is obtained.
The invention also provides a preparation method of the optical fiber array, which comprises the following steps:
s1: the manufacturing method comprises the steps of preparing a manufactured lower substrate 1 with V grooves and a matched upper cover plate 2, wherein steps are arranged at the rear ends of the V grooves on the lower substrate 2;
in the embodiment of the present invention, the lower substrate 1 may be made of quartz glass or borosilicate glass, and the upper cover 2 may be made of quartz glass or borosilicate glass, as shown in fig. 2.
S2: stripping off the coating layer 7 at one end of the optical fiber 3, exposing the cladding layer 8, and cleaning, and as shown in fig. 3, inserting one end of the optical fiber 3, which is exposed out of the cladding layer 8, into a V-groove (named as a 1 st channel in the present invention) on the bottom substrate 1, which is closest to one side edge;
in the embodiment of the invention, the diameter of the coating layer 7 of the optical fiber 3 is 237-247um, and the diameter of the cladding layer 8 of the optical fiber 3 is 124.3-125.7um.
S3: the upper cover plate 2 is covered on the lower substrate 1, so that V grooves on the upper cover plate 1 and the lower cover plate 2 are correspondingly arranged up and down to form a plurality of channels, as shown in fig. 4;
s4: stripping off the coating layer 7 from one end of the multi-core band fiber 5, exposing the cladding layer 8, cleaning, dispersing the optical fibers in the multi-core band fiber 5, inserting the optical fibers into the channels which are arranged at intervals, and inserting the multi-core band fiber 5 into the channels in a staggered manner;
in the embodiment of the invention, six-core ribbon fibers with the thickness of 280-320um are selected, six optical fibers in a first group of six-core ribbon fibers are respectively inserted into the 3 rd, 5 th, 7 th, 9 th, 11 th and 13 th channels between the lower substrate 1 and the upper cover plate 2 after being dispersed, as shown in fig. 6 and 7, then six optical fibers in a second group of six-core ribbon fibers are respectively inserted into the 15 th, 17 th, 19 th, 21 st, 23 th and 25 th channels between the lower substrate 1 and the upper cover plate 2 after being dispersed, then six optical fibers in a third group of six-core ribbon fibers are respectively inserted into the 2 nd, 4 th, 6 th, 8 th and 10 th channels between the lower substrate 1 and the upper cover plate 2 after being dispersed, and finally six optical fibers in a third group of six-core ribbon fibers are respectively inserted into the 14 th, 16, 18, 20, 22 th and 24 th channels between the lower substrate 1 and the upper cover plate 2 after being dispersed, as shown in fig. 8.
S5: injecting first curing glue into the channel, and bonding and curing the lower substrate 1, the upper cover plate 2, the optical fibers 3 and the multi-core ribbon fibers 5 in the channel;
in one or more embodiments of the present invention, the first curing glue is an epoxy glue, and after the epoxy glue is injected, the epoxy glue is cured by irradiation with an ultraviolet lamp, wherein the irradiation power is 150-200mw/cm 2 The irradiation time is 2-3min, the adhesiveness of the epoxy resin is more than 400cps, the coefficient of thermal expansion CTE is 120-150 ppm/DEG C, and the hardness is more than Shore 80D.
S6: injecting second curing glue into the step of the lower substrate 1, and bonding and curing the step of the lower substrate 1 with the side wall of the upper cover plate 2 and the middle part of the multi-core ribbon fiber 5 respectively to form a combination body, as shown in fig. 9;
in one or more embodiments of the present invention, the second curing glue is an acrylic glue, and after the acrylic glue is injected, the acrylic glue is cured by irradiation with an ultraviolet lamp, wherein the irradiation power is 100-150mw/cm 2 The irradiation time is 3-5min, the viscosity of the acrylic resin is 8000-12000cps, and the hardness is Shore 50-80A.
S7: and removing the parts of the combination body extending out of the front ends of the optical fibers 3 and the multi-core ribbon fibers 5 of the channels, and grinding the front ends of the combination body to obtain an optical fiber array finished product, as shown in fig. 10.
According to the preparation method of the optical fiber array, the optical fibers 3 are arranged in the V-shaped groove closest to one side edge between the upper cover plate 1 and the lower cover plate 2, so that a gap is reserved between the upper cover plate 1 and the lower cover plate 2, the multi-core ribbon fibers 5 are conveniently inserted into corresponding channels, the assembly efficiency is greatly improved, the situation that the edges of the optical fibers and the V-shaped groove are scratched when the optical fibers are stirred into the groove in the prior art is avoided, the fiber breakage rate is obviously reduced, the reliability of the optical fiber array is greatly improved, the operation is convenient, and the structure is simple.
In one or more embodiments of the present invention, when the coating layer 7 is stripped from one end of the multi-core ribbon 5, the method further includes the steps of:
cutting the end face of the multi-core belt fiber 5, from which the coating 7 is removed, into an included angle of 45-60 degrees with the horizontal plane.
Through removing the included angle between the end face of one end of the coating 7 of the multi-core band fiber 5 and the horizontal plane, the inclined plane of the end part of the multi-core band fiber 5 can be conveniently inserted into a corresponding channel, the operation efficiency is improved, and the damage of the optical fiber in the multi-core band fiber 5 can be reduced.
The preparation method of the optical fiber array has the following advantages:
1. the method of penetrating the fiber into the groove is adopted, firstly, a bare fiber 3 is used for spacing the V groove of the upper cover plate from the V groove of the lower cover plate, then the front end cladding area of the multi-core ribbon fiber 5 is cut with an oblique angle of 45-60 degrees, then the fiber ribbon is sequentially staggered to penetrate into a channel formed by the V-shaped groove area, and the front end face is ground after the assembly is completed to complete the preparation of the fiber array;
2. the existing fiber poking slot is changed into a fiber poking slot, so that the learning difficulty and the assembly efficiency of the upper hand are greatly improved, the assembly efficiency is improved by about 50%, and the original 200 pcs/day can be improved to 300 pcs/day;
3. the risk that the optical fibers are scratched by the edges of the optical fibers and the V-shaped grooves when the optical fibers are stirred into the grooves is effectively avoided, the problem that the optical fibers are broken in the middle and later-stage reliability test of the optical fiber array is solved, and the broken fiber defective rate is improved from 0.3% to 0%;
4. the mode that the bevel angle of 45-60 degrees is increased on the end face of the multi-core ribbon fiber 5 to penetrate the fiber in a staggered way effectively solves the problem that a plurality of optical fibers in the ribbon fiber cannot enter the groove at the same time, and greatly improves the working efficiency.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (3)
1. The preparation method of the optical fiber array is characterized by comprising the following steps of:
the manufacturing method comprises the steps of preparing a manufactured lower substrate (1) with V grooves and a matched upper cover plate (2), wherein steps are arranged at the rear ends of the V grooves on the lower substrate (2);
stripping off a coating layer (7) at one end of an optical fiber (3), exposing a cladding layer (8), cleaning, and inserting one end of the optical fiber (3) exposed out of the cladding layer (8) into a V-shaped groove closest to one side edge on the lower substrate (1);
the upper cover plate (2) is covered on the lower base plate (1) so that the V-shaped grooves on the upper cover plate (1) and the lower cover plate (2) are correspondingly arranged up and down to form a plurality of channels;
stripping a coating layer (7) from one end of the multi-core band fiber (5), exposing a cladding layer (8), cleaning, dispersing a plurality of optical fibers in the multi-core band fiber (5), inserting the optical fibers into the channels which are arranged at intervals, and inserting the multi-core band fiber (5) into the channels in a staggered manner;
injecting first curing glue into the channel, and bonding and curing the lower substrate (1), the upper cover plate (2), the optical fibers (3) and the multi-core ribbon fibers (5) in the channel;
injecting second curing glue into the step of the lower substrate (1), and bonding and curing the step of the lower substrate (1) with the side wall of the upper cover plate (2) and the middle part of the multi-core ribbon fiber (5) respectively to form a combination body;
and removing the parts of the combined body extending out of the front ends of the optical fibers (3) and the multi-core ribbon fibers (5) of the channel, and grinding the front ends of the combined body to obtain an optical fiber array finished product.
2. The method of manufacturing an optical fiber array according to claim 1, wherein the step of stripping the coating layer (7) from one end of the multi-core ribbon (5) further comprises the steps of:
cutting the end face of the multi-core belt fiber (5) with the coating layer (7) removed into an included angle of 45-60 degrees with the horizontal plane.
3. The method for preparing an optical fiber array according to claim 1, wherein the first curing glue is epoxy resin glue, and the epoxy resin glue is injected and then cured by irradiation of an ultraviolet lamp, wherein the irradiation power is 150-200mw/cm 2 The irradiation time is 2-3min, the adhesiveness of the epoxy resin is more than 400cps, the coefficient of thermal expansion CTE is 120-150 ppm/DEG C, and the hardness is more than Shore 80D;
the second curing glue is acrylic acid ester glue, and after the acrylic acid ester glue is injected, the second curing glue is cured by irradiation of an ultraviolet lamp, wherein the irradiation power is 100-150mw/cm 2 The irradiation time is 3-5min, the viscosity of the acrylic resin is 8000-12000cps, and the hardness is Shore 50-80A.
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| CN202311024009.1A CN117192695B (en) | 2023-08-15 | 2023-08-15 | Optical fiber array and preparation method thereof |
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| CN202311024009.1A CN117192695B (en) | 2023-08-15 | 2023-08-15 | Optical fiber array and preparation method thereof |
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| CN117192695B true CN117192695B (en) | 2024-03-15 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07287137A (en) * | 1994-04-14 | 1995-10-31 | Sumitomo Electric Ind Ltd | Optical fiber array |
| CN210270262U (en) * | 2019-07-19 | 2020-04-07 | 珠海艾文科技有限公司 | Optical fiber array with positioning holes and optical fiber array connector |
| CN115712175A (en) * | 2022-12-01 | 2023-02-24 | 武汉驿路通科技股份有限公司 | Manufacturing method of mutation optical fiber FA for spatial coupling and mutation optical fiber FA |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7522807B2 (en) * | 2003-07-24 | 2009-04-21 | Reflex Photonics Inc. | Optical connector assembly |
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- 2023-08-15 CN CN202311024009.1A patent/CN117192695B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07287137A (en) * | 1994-04-14 | 1995-10-31 | Sumitomo Electric Ind Ltd | Optical fiber array |
| CN210270262U (en) * | 2019-07-19 | 2020-04-07 | 珠海艾文科技有限公司 | Optical fiber array with positioning holes and optical fiber array connector |
| CN115712175A (en) * | 2022-12-01 | 2023-02-24 | 武汉驿路通科技股份有限公司 | Manufacturing method of mutation optical fiber FA for spatial coupling and mutation optical fiber FA |
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| CN117192695A (en) | 2023-12-08 |
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