CN111239912B - 2XN collimator array and manufacturing method thereof - Google Patents
2XN collimator array and manufacturing method thereof Download PDFInfo
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- CN111239912B CN111239912B CN202010187280.7A CN202010187280A CN111239912B CN 111239912 B CN111239912 B CN 111239912B CN 202010187280 A CN202010187280 A CN 202010187280A CN 111239912 B CN111239912 B CN 111239912B
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- shaped groove
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- lens
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000013307 optical fiber Substances 0.000 claims abstract description 63
- 239000011521 glass Substances 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 31
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims description 32
- 238000001035 drying Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a 2XN collimator array and a manufacturing method thereof, wherein the 2XN collimator array comprises double-row glass V-shaped grooves, glass cover plates are fixedly connected to the top and the bottom of each double-row glass V-shaped groove, a 2XN lens component is fixedly connected to the front end of each double-row glass V-shaped groove, a metal sleeve block is fixedly connected to the rear end of each double-row glass V-shaped groove, and a sleeve is fixedly connected to the rear end of each metal sleeve block. The invention uses the double-row glass V-shaped groove, the glass cover plate, the 2XN lens component, the metal sleeve block, the sleeve, the optical fiber, the lens seat and the Mini lens group in a matched way, has the advantages of compact structure and small volume, is easy to assemble and operate, firstly respectively prepares the 2XN optical fiber array and the 2XN lens component, then carries out optical coupling, greatly reduces the production technical difficulty, is flexible to combine, and can select different types, lenses and V-shaped groove spacing according to the working distance, spacing, wavelength and the like of the collimator to meet the requirements of the collimator array.
Description
Technical Field
The invention relates to the technical field of optical fiber transmission, in particular to a 2XN collimator array and a manufacturing method thereof.
Background
The optical fiber collimator is a basic component of an optical fiber communication device, and is generally composed of a single optical fiber and a single lens, and is packaged in a glass tube or a metal tube, but the outer diameter of the single collimator in the prior art is larger, the spacing between outgoing beams of the collimator cannot be too small, so that the volume of an array collimator is increased, the array collimator cannot be suitable for the integrated optical devices, along with the development of the optical fiber communication technology, the optical fiber communication device is developed in the integration and miniaturization directions, and a 2XN optical fiber collimator array, such as a Wavelength Selective Switch (WSS), a high-capacity optical switch and the like, is needed for some optical fiber devices.
Disclosure of Invention
The invention aims to provide a 2XN collimator array and a manufacturing method thereof, which have the advantages of compact structure and easy assembly, and solve the problems that the size of the array collimator is increased and the array collimator cannot be suitable for the integrated optical devices because the outer diameter of a single collimator is larger and the spacing between outgoing beams of the collimator cannot be too small in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a 2XN collimator array and preparation method thereof, includes double glass V type groove, the top and the bottom of double glass V type groove are all fixedly connected with glass apron, the front end fixedly connected with 2XN lens subassembly of double glass V type groove, the rear end fixedly connected with metal sleeve pipe piece of double glass V type groove, the rear end fixedly connected with sleeve pipe of metal sleeve pipe piece, sheathed tube inner chamber cover is equipped with optic fibre, 2XN lens subassembly includes the lens seat, the front end fixedly connected with Mini lens group of lens seat.
Preferably, the diameter of the sleeve is 0.9mm, the front end of the sleeve penetrates through the front end of the metal sleeve block, and a round hole matched with the sleeve for use is formed in the metal sleeve block.
Preferably, the top and the bottom of the double-row glass V-shaped grooves are provided with V-shaped grooves which are distributed at equal intervals.
Preferably, the rear end of the Mini lens group is fixed in a positioning hole of a lens seat in an embedding mode, and the lens seat is fixedly connected with the double-row glass V-shaped groove in an adhesive mode.
Preferably, the lens holder is made of one of glass, ceramic and metal, the number of the optical fibers is two, and the number of the optical fibers in each group is four.
Preferably, the manufacturing method comprises the following steps:
step 1: ultrasonic cleaning is carried out on the double-row glass V-shaped grooves, and drying is carried out;
Step 2: placing the double-row glass V-shaped grooves into an assembly tool and fixing;
step 3: stripping the front end of the optical fiber by a small section of coating layer, wherein the stripping length is required to be about 5mm longer than that of the V-shaped groove;
Step 4: placing the stripped coating part at the front end of the optical fiber into a V-shaped groove, adjusting the front and rear positions of the optical fiber, and enabling the stripped boundary of the optical fiber to be positioned at the position of about 1/3 of the rear end of the small step of the V-shaped groove, wherein the tail part of the optical fiber is temporarily fixed on a clamp by using a single-sided adhesive tape;
Step 5: adding a glass cover plate above the double-row glass V-shaped grooves, compacting, then fixing glue A at the inclined surface position of the small step, and curing the glue A by using UV light after the V-shaped grooves are filled with the fixed glue A;
step 6: the small steps of the double-row glass V-shaped grooves are fixed with glue B in a spot mode, and the glue B is solidified by UV light;
Step 7: turning over the double-row glass V-shaped grooves, and fixing the second group of optical fibers in the V-shaped grooves according to the steps 2-7;
Step 8: placing the assembled 2XN optical fiber array into a high-temperature oven for baking so as to thoroughly cure the glue;
step 9: penetrating the group of sleeves into a metal sleeve block, and fixing the sleeves by quick-drying glue;
step 10: clamping the two arms in front of the metal sleeve block on the rear step of the 2XN optical fiber array, and fixing the two arms by using glue;
step 11: performing end face grinding and polishing on the assembled 2XN optical fiber array;
Step 12: respectively arranging Mini lens groups into round holes of a lens seat, and fixing the Mini lens groups by using glue;
Step 13: on a six-dimensional precise optical adjustment system, optically coupling the 2XN lens component and the 2XN optical fiber array, injecting UV glue between the 2XN lens component and the 2XN optical fiber array after coupling alignment, and curing;
Step 14: and putting the assembled 2XN optical fiber collimator array into a high-temperature oven for baking so as to thoroughly cure the glue.
Compared with the prior art, the invention has the following beneficial effects:
1. The invention uses the double-row glass V-shaped groove, the glass cover plate, the 2XN lens component, the metal sleeve block, the sleeve, the optical fiber, the lens seat and the Mini lens group in a matched manner, has the advantages of compact structure and small volume, is easy to assemble and operate, firstly respectively prepares the 2XN optical fiber array and the 2XN lens component, then carries out optical coupling, greatly reduces the production technical difficulty, is flexible to combine, and can select different types, lenses and V-shaped groove spacing according to the working distance, spacing, wavelength and the like of the collimator to meet the requirements of the collimator array;
2. The invention can be used for fixing a 0.9mm sleeve by arranging the metal sleeve block, the front two arms can be tightly buckled with the rear step of the 2XN optical fiber array, and the two rows of optical fibers are respectively arranged in the V-shaped grooves for fixing by arranging the double rows of glass V-shaped grooves.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
FIG. 3 is a schematic view of a double row glass V-groove structure of the present invention;
FIG. 4 is a schematic view of an assembled structure of double row glass V-grooves and optical fibers according to the present invention;
FIG. 5 is a schematic diagram of a 2XN lens assembly according to the present invention;
FIG. 6 is a schematic view of a metal sleeve block according to the present invention.
In the figure: 1. double-row glass V-shaped grooves; 2. a glass cover plate; 3. a 2XN lens assembly; 301. a lens holder; 302. mini lens group; 4. a metal sleeve block; 5. a sleeve; 6. an optical fiber.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The components adopted by the invention are all general standard components or components known to the person skilled in the art, and the structures and principles of the components are all known to the person skilled in the art through technical manuals or through routine experimental methods.
Referring to FIGS. 1-6, a 2XN collimator array and a manufacturing method thereof, the collimator array comprises a double-row glass V-shaped groove 1, V-shaped grooves are formed in the top and bottom of the double-row glass V-shaped groove 1, the V-shaped grooves are distributed at equal intervals, a glass cover plate 2 is fixedly connected to the top and bottom of the double-row glass V-shaped groove 1, a 2XN lens component 3 is fixedly connected to the front end of the double-row glass V-shaped groove 1, a metal sleeve block 4 is fixedly connected to the rear end of the double-row glass V-shaped groove 1, a sleeve 5 is fixedly connected to the rear end of the metal sleeve block 4, the diameter of the sleeve 5 is 0.9mm, the front end of the sleeve 5 penetrates to the front end of the metal sleeve block 4, round holes matched with the sleeve 5 are formed in the metal sleeve block 4, an inner cavity of the sleeve 5 is sleeved with an optical fiber 6,2XN, the lens component 3 comprises a lens seat 301, the lens seat 301 is made of one of glass, ceramic and metal, the optical fiber 6 is two groups, the number of the optical fibers 6 in each group is four, the front end of the lens seat 301 is fixedly connected with the Mini lens group 302, the rear end of the Mini lens group 302 is fixed in a positioning hole of the lens seat 301 in an embedding way, the lens seat 301 is fixedly connected with the double-row glass V-shaped groove 1 in an adhering way, the metal sleeve block 4 is arranged to be used for fixing the sleeve 5 with the thickness of 0.9mm, the front two arms can be fastened with the rear step of the 2XN optical fiber array, the double-row glass V-shaped groove 1 is arranged, the two rows of optical fibers 6 are respectively arranged in the V-shaped groove for fixing, the double-row glass V-shaped groove 1, the glass cover plate 2, the 2XN lens assembly 3, the metal sleeve block 4, the sleeve 5, the optical fibers 6, the lens seat 301 and the Mini lens group 302 are matched for use, the advantages of compact structure and small size are achieved, the assembly operation is easy, the 2XN optical fiber array and the 2XN lens assembly 3 are respectively manufactured, and then optical coupling is carried out, so that the production technology difficulty is greatly reduced, the combination is flexible, and different types, lenses and V-shaped groove spacing can be selected according to the working distance, spacing, wavelength and the like of the collimator to meet the requirements of the collimator array.
The manufacturing method comprises the following steps:
Step 1: ultrasonic cleaning is carried out on the double-row glass V-shaped groove 1, and drying is carried out;
Step 2: placing the double-row glass V-shaped groove 1 into an assembly tool and fixing;
Step 3: stripping the front end of the optical fiber 6 by a small section of coating layer, wherein the stripping length is required to be about 5mm longer than that of the V-shaped groove;
Step 4: placing the stripped coating part at the front end of the optical fiber 6 into the V-shaped groove, adjusting the front and rear positions of the optical fiber 6, and enabling the stripped coating boundary of the optical fiber 6 to be positioned at the position about 1/3 of the rear end of the small step of the V-shaped groove, wherein the tail part of the optical fiber 6 is temporarily fixed on a clamp by using a single-sided adhesive tape;
step 5: adding a glass cover plate 2 above the double-row glass V-shaped grooves 1, compacting, then fixing glue A at the inclined surface position of the small step, and curing the glue A by using UV light after the V-shaped grooves are filled with the fixed glue A;
Step 6: the glue B is fixed at the small step position of the double-row glass V-shaped groove 1 by means of spot fixing, and the glue B is solidified by UV light;
step 7: turning over the double-row glass V-shaped groove 1, and fixing the second group of optical fibers 6 in the V-shaped groove according to the steps 2-7;
Step 8: placing the assembled 2XN optical fiber array into a high-temperature oven for baking so as to thoroughly cure the glue;
Step 9: penetrating the group of sleeves 5 into the metal sleeve block 4, and fixing the sleeves 5 by quick-drying glue;
Step 10: the two arms in front of the metal sleeve block 4 are clamped on the rear steps of the 2XN optical fiber array and fixed by glue;
step 11: performing end face grinding and polishing on the assembled 2XN optical fiber array;
step 12: the Mini lens group 302 is respectively arranged in the round holes of the lens seat 301 and fixed by glue;
Step 13: on a six-dimensional precise optical adjustment system, optically coupling the 2XN lens component and the 2XN optical fiber array, injecting UV glue between the 2XN lens component and the 2XN optical fiber array after coupling alignment, and curing;
Step 14: and putting the assembled 2XN optical fiber collimator array into a high-temperature oven for baking so as to thoroughly cure the glue.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A 2XN collimator array comprising a double row glass V-shaped groove (1), characterized in that: the utility model provides a glass cover plate (2) of the equal fixedly connected with in top and the bottom of double glass V type groove (1), the front end fixedly connected with 2XN lens subassembly (3) of double glass V type groove (1), the rear end fixedly connected with metal sleeve pipe piece (4) of double glass V type groove (1), the rear end fixedly connected with sleeve pipe (5) of metal sleeve pipe piece (4), the inner chamber cover of sleeve pipe (5) is equipped with optic fibre (6), 2XN lens subassembly (3) include lens holder (301), the front end fixedly connected with Mini lens group (302) of lens holder (301), the diameter of sleeve pipe (5) is 0.9mm, the front end of sleeve pipe (5) runs through the front end to metal sleeve pipe piece (4), the round hole that cooperates with sleeve pipe (5) is seted up to the inside of metal sleeve pipe piece (4), the rear end of Mini lens group (302) is fixed in the locating hole of lens holder (301) through inlaying the mode, lens holder (301) are through bonding and V type lens group (1) fixed connection.
2. A 2XN collimator array according to claim 1, characterized in that: v-shaped grooves are formed in the top and the bottom of the double-row glass V-shaped groove (1), and are distributed at equal intervals.
3. A 2XN collimator array according to claim 1, characterized in that: the lens seat (301) is made of one of glass, ceramic and metal, the number of the optical fibers (6) is two, and the number of the optical fibers (6) in each group is four.
4. A method of making a 2XN collimator array according to any of claims 1-3, characterized in that: the manufacturing method comprises the following steps:
Step 1: ultrasonic cleaning is carried out on the double-row glass V-shaped groove (1) and drying is carried out;
step 2: placing the double-row glass V-shaped grooves (1) into an assembly tool and fixing;
Step 3: stripping the front end of the optical fiber (6) by a small section of coating layer, wherein the stripping length is required to be about 5mm longer than that of the V-shaped groove;
Step 4: placing the stripped coating part at the front end of the optical fiber (6) into a V-shaped groove, adjusting the front and rear positions of the optical fiber (6) to ensure that the stripped coating boundary of the optical fiber (6) is positioned at about 1/3 of the rear end of the V-shaped groove with a small step, and temporarily fixing the tail part of the optical fiber (6) on a clamp by using a single-sided adhesive tape;
Step 5: adding a glass cover plate (2) above the double-row glass V-shaped groove (1), compacting, then fixing glue A at the position of the inclined surface of the small step, and curing the glue A by using UV light after the fixed glue A fills the V-shaped groove;
Step 6: the glue B is fixed at the small step position of the double-row glass V-shaped groove (1) in a spot manner, and is solidified by UV light;
Step 7: turning over the double-row glass V-shaped groove (1), and fixing the second group of optical fibers (6) in the V-shaped groove according to the steps 2-7;
Step 8: placing the assembled 2XN optical fiber array into a high-temperature oven for baking so as to thoroughly cure the glue;
Step 9: penetrating the group of sleeves (5) into the metal sleeve block (4), and fixing the sleeves (5) by quick-drying glue;
step 10: the two arms in front of the metal sleeve block (4) are clamped on the rear steps of the 2XN optical fiber array and fixed by glue;
step 11: performing end face grinding and polishing on the assembled 2XN optical fiber array;
Step 12: respectively arranging Mini lens groups (302) into round holes of a lens seat (301), and fixing by using glue;
Step 13: on a six-dimensional precise optical adjustment system, optically coupling the 2XN lens component (3) and the 2XN optical fiber array, injecting UV glue between the 2XN lens component (3) and the 2XN optical fiber array after coupling alignment, and curing;
Step 14: and putting the assembled 2XN optical fiber collimator array into a high-temperature oven for baking so as to thoroughly cure the glue.
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| CN202010187280.7A CN111239912B (en) | 2020-03-17 | 2020-03-17 | 2XN collimator array and manufacturing method thereof |
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| CN202010187280.7A CN111239912B (en) | 2020-03-17 | 2020-03-17 | 2XN collimator array and manufacturing method thereof |
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| CN111239912B true CN111239912B (en) | 2024-05-28 |
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| CN109358393A (en) * | 2018-11-22 | 2019-02-19 | 中山市美速光电技术有限公司 | A kind of high-temperature resistant optical fiber array and its manufacturing method |
| CN109387905A (en) * | 2018-11-22 | 2019-02-26 | 中山市美速光电技术有限公司 | A kind of array collimator and its manufacturing method of the micro- spacing of two dimension |
| CN211402829U (en) * | 2020-03-17 | 2020-09-01 | 中山市美速光电技术有限公司 | 2XN collimator array |
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