CN111158090A - 45-degree optical fiber array with small optical fiber diameter and operation method thereof - Google Patents
45-degree optical fiber array with small optical fiber diameter and operation method thereof Download PDFInfo
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- CN111158090A CN111158090A CN202010187259.7A CN202010187259A CN111158090A CN 111158090 A CN111158090 A CN 111158090A CN 202010187259 A CN202010187259 A CN 202010187259A CN 111158090 A CN111158090 A CN 111158090A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
- G02B6/3632—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means
- G02B6/3636—Mechanical coupling means for mounting fibres to supporting carriers characterised by the cross-sectional shape of the mechanical coupling means the mechanical coupling means being grooves
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- 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
- G02B6/424—Mounting of the optical light guide
- G02B6/4243—Mounting of the optical light guide into a groove
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
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Abstract
The invention discloses a 45-degree optical fiber array with a small optical fiber diameter and an operation method thereof. The diameter of the optical fiber of the 45-degree optical fiber array with the small optical fiber diameter can be selected within the range of 40-100 microns, when the 45-degree optical fiber array is optically coupled with a laser array or a detector array, compared with a conventional non-corroded optical fiber, the distance between the optical fiber core and a chip is smaller, the coupling efficiency is higher, and the assembling process of the optical fiber array is similar to that of the conventional optical fiber array, so that the whole cost is lower, and the 45-degree optical fiber array is suitable for batch production.
Description
Technical Field
The invention relates to the technical field of optical fiber communication transmission, in particular to a 45-degree optical fiber array with a small optical fiber diameter and an operation method thereof.
Background
An optical fiber array is an optical fiber device formed by accurately arranging a plurality of optical fibers in parallel, and generally comprises a glass V-shaped groove, a glass cover plate, optical fibers and fixing glue.
With the development of high-speed optical transceiver modules and silicon photonic technologies, an optical fiber array needs to be optically coupled with a laser array or a detector array, and a 45-degree optical fiber array is generally used for optical coupling, theoretically, the closer the fiber core is to a chip, the higher the coupling efficiency is, the cladding diameter of the current common optical fiber array is 125 micrometers, and the smaller the fiber cladding diameter is required to further improve the coupling efficiency of the 45-degree optical fiber array.
Aiming at the requirement of the smaller optical fiber diameter, the front end of the common single-mode optical fiber is subjected to chemical corrosion treatment, the optical fiber corrosion is a process for corroding the cladding of the optical fiber by using a hydrofluoric acid solution, the corrosion diameter precision can reach 0.2 micrometer, the process is a mature process technology, detailed description is omitted, and the 45-degree optical fiber array with the small optical fiber diameter is manufactured by the scheme.
Disclosure of Invention
The invention aims to provide a 45-degree optical fiber array with a small optical fiber diameter and an operation method thereof, which have the advantage of convenient use of the optical fiber array and solve the problem of inconvenient use of the optical fiber array.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a 45 degrees fiber array of little fiber diameter, includes glass V type groove, glass apron, optic fibre, UV glue, optic fibre envelope segment and corrodes back minor diameter fiber segment, glass apron swing joint is at the top in glass V type groove, optic fibre is located between glass apron and the glass V type groove, UV glue is located between optic fibre and the glass V type groove, the left end of optic fibre and the right-hand member fixed connection in optic fibre envelope segment, the right-hand member of corroding back minor diameter fiber segment and the left end fixed connection in optic fibre envelope segment.
Preferably, the diameter of the optical fiber cladding section is 125 μm, and the diameter of the small-diameter optical fiber section after corrosion is 40-100 μm.
Preferably, the angle of the optical fiber is not limited to 45 °, and the angle of the optical fiber is 38 ° to 45 °.
Preferably, the optical fiber is a polarization maintaining optical fiber, and the number of channels of the optical fiber is not limited to 4 channels.
A method of operating a 45 degree fiber array with small fiber diameters, comprising the steps of:
step A: removing a coating layer from one end of the optical fiber ribbon, exposing the cladding layer to be about 10mm in length, and cleaning;
and B: according to the required diameter of the corroded optical fiber, corroding the exposed cladding of the optical fiber to the required diameter by using a hydrofluoric acid solution according to a conventional optical fiber corrosion process;
and C: putting the glass V-shaped groove into an assembly tool and fixing;
step D: placing the optical fiber ribbon into a glass V-shaped groove, adjusting the front and back positions of the optical fiber ribbon to ensure that the corrosion cladding of the optical fiber is about 1mm at the front end of the glass V-shaped groove, the peeling junction of the coating layer is positioned at the small step position of the V-shaped groove, and the tail part of the optical fiber is temporarily fixed on a clamp by using a single-sided adhesive tape;
step E: placing the glass cover plate above the glass V-shaped groove and pressing tightly;
step F: fixing glue A at the position of the small step inclined plane part, and curing the glue A by UV light after the fixing glue A fills the gap between the V-shaped groove and the glass cover plate;
step G: fixing glue B at the small step of the V-shaped glass groove, wherein the glue B is required to completely cover the optical fiber ribbon on the step, and then curing the glue B by using UV light;
step H: taking down the small-diameter optical fiber array from the assembly tool;
step I: putting the assembled heat beam expanding optical fiber array into a high-temperature oven for baking so as to completely cure the glue;
step J: grinding the assembled optical fiber array end face, wherein when the grinding angle is that the optical fiber end face and the bottom surface of a glass V-shaped groove form an angle of 45 degrees horizontally, the protruding amount of the optical fiber is generally 0.2-0.5mm, and the glass V-shaped groove is generally larger than 0.5mm, so that when the optical fiber end face is ground, the front end of a part of the glass V-shaped groove can be ground at the same time;
step K: the fiber array is cleaned and the polished end face of the fiber array is inspected.
Compared with the prior art, the invention has the following beneficial effects: the diameter of the optical fiber of the 45-degree optical fiber array with the small optical fiber diameter can be selected within the range of 40-100 microns, when the 45-degree optical fiber array is optically coupled with a laser array or a detector array, compared with a conventional non-corroded optical fiber, the distance between the optical fiber core and a chip is smaller, the coupling efficiency is higher, and the assembling process of the optical fiber array is similar to that of the conventional optical fiber array, so that the whole cost is lower, and the 45-degree optical fiber array is suitable for batch production.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged end view of the structure of the present invention.
In the figure: 1. a glass V-shaped groove; 2. a glass cover plate; 3. an optical fiber; 4. UV glue; 5. an optical fiber cladding section; 6. and corroding the small-diameter optical fiber section.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a 45-degree optical fiber array with a small optical fiber diameter comprises a glass V-shaped groove 1, a glass cover plate 2, an optical fiber 3, UV glue 4, an optical fiber cladding section 5 and a small-diameter optical fiber section 6 after corrosion, wherein the glass cover plate 2 is movably connected to the top of the glass V-shaped groove 1, the optical fiber 3 is located between the glass cover plate 2 and the glass V-shaped groove 1, the UV glue 4 is located between the optical fiber 3 and the glass V-shaped groove 1, the left end of the optical fiber 3 is fixedly connected with the right end of the optical fiber cladding section 5, and the right end of the small-diameter optical fiber section 6 after corrosion is fixedly connected with the left end of the.
A method of operating a 45 degree fiber array with small fiber diameters, comprising the steps of:
step A: removing a coating layer from one end of the optical fiber ribbon, exposing the cladding layer to be about 10mm in length, and cleaning;
and B: according to the required diameter of the corroded optical fiber, corroding the exposed cladding of the optical fiber 3 to the required diameter by using a hydrofluoric acid solution according to a conventional optical fiber corrosion process;
and C: placing the glass V-shaped groove 1 into an assembly tool and fixing;
step D: placing an optical fiber 3 strip into a glass V-shaped groove 1, adjusting the front and back positions of an optical fiber strip to ensure that an optical fiber corrosion cladding layer is about 1mm at the front end of the glass V-shaped groove 1, a coating layer stripping junction is positioned at the small step position of the V-shaped groove, and the tail part of the optical fiber 3 is temporarily fixed on a clamp by using a single-sided adhesive tape;
step E: placing the glass cover plate 2 above the glass V-shaped groove 1 and pressing tightly;
step F: fixing glue A at the position of the small step inclined plane part, and curing the glue A by UV light after the fixing glue A fills the gap between the V groove and the glass cover plate 2;
step G: fixing glue B at the small step of the glass V-shaped groove 1, wherein the glue B is required to completely cover the optical fiber ribbon on the step, and then curing the glue B by using UV light;
step H: taking down the small-diameter optical fiber array from the assembly tool;
step I: putting the assembled heat beam expanding optical fiber array into a high-temperature oven for baking so as to completely cure the glue;
step J: grinding the assembled optical fiber array end face, wherein when the grinding angle is that the optical fiber end face and the bottom surface of the glass V-shaped groove 1 form an angle of 45 degrees horizontally, the protruding amount of the optical fiber 3 is generally 0.2-0.5mm, and the glass V-shaped groove 1 is generally larger than 0.5mm, so that when the optical fiber end face is ground, a part of the front end of the glass V-shaped groove 1 can be ground at the same time;
step K: the fiber array is cleaned and the polished end face of the fiber array is inspected.
Example 1
The utility model provides a 45 degrees fiber array of little fiber diameter, including glass V type groove 1, glass apron 2, optic fibre 3, UV glue 4, optic fibre package section 5 and the back minor diameter fiber section 6 that corrodes, 2 swing joint of glass apron are at the top in glass V type groove 1, optic fibre 3 is located between glass apron 2 and the glass V type groove 1, UV glue 4 is located between optic fibre 3 and the glass V type groove 1, the left end of optic fibre 3 and the right-hand member fixed connection of optic fibre package section 5, the right-hand member of the back minor diameter fiber section 6 of corroding and the left end fixed connection of optic fibre package section 5.
A method of operating a 45 degree fiber array with small fiber diameters, comprising the steps of: step A: removing a coating layer from one end of the optical fiber ribbon, exposing the cladding layer to be about 10mm in length, and cleaning; and B: according to the required diameter of the corroded optical fiber, corroding the exposed cladding of the optical fiber 3 to the required diameter by using a hydrofluoric acid solution according to a conventional optical fiber corrosion process; and C: placing the glass V-shaped groove 1 into an assembly tool and fixing; step D: placing an optical fiber 3 strip into a glass V-shaped groove 1, adjusting the front and back positions of an optical fiber strip to ensure that an optical fiber corrosion cladding layer is about 1mm at the front end of the glass V-shaped groove 1, a coating layer stripping junction is positioned at the small step position of the V-shaped groove, and the tail part of the optical fiber 3 is temporarily fixed on a clamp by using a single-sided adhesive tape; step E: placing the glass cover plate 2 above the glass V-shaped groove 1 and pressing tightly; step F: fixing glue A at the position of the small step inclined plane part, and curing the glue A by UV light after the fixing glue A fills the gap between the V groove and the glass cover plate 2; step G: fixing glue B at the small step of the glass V-shaped groove 1, wherein the glue B is required to completely cover the optical fiber ribbon on the step, and then curing the glue B by using UV light; step H: taking down the small-diameter optical fiber array from the assembly tool; step I: putting the assembled heat beam expanding optical fiber array into a high-temperature oven for baking so as to completely cure the glue; step J: grinding the assembled optical fiber array end face, wherein when the grinding angle is that the optical fiber end face and the bottom surface of the glass V-shaped groove 1 form an angle of 45 degrees horizontally, the protruding amount of the optical fiber 3 is generally 0.2-0.5mm, and the glass V-shaped groove 1 is generally larger than 0.5mm, so that when the optical fiber end face is ground, a part of the front end of the glass V-shaped groove 1 can be ground at the same time; step K: the fiber array is cleaned and the polished end face of the fiber array is inspected.
Example 2
In example 1, the following additional steps were added:
the diameter of the optical fiber cladding section 5 is 125 μm, and the diameter of the small-diameter optical fiber section 6 after etching is 40-100 μm.
The utility model provides a 45 degrees fiber array of little fiber diameter, including glass V type groove 1, glass apron 2, optic fibre 3, UV glue 4, optic fibre package section 5 and the back minor diameter fiber section 6 that corrodes, 2 swing joint of glass apron are at the top in glass V type groove 1, optic fibre 3 is located between glass apron 2 and the glass V type groove 1, UV glue 4 is located between optic fibre 3 and the glass V type groove 1, the left end of optic fibre 3 and the right-hand member fixed connection of optic fibre package section 5, the right-hand member of the back minor diameter fiber section 6 of corroding and the left end fixed connection of optic fibre package section 5.
A method of operating a 45 degree fiber array with small fiber diameters, comprising the steps of: step A: removing a coating layer from one end of the optical fiber ribbon, exposing the cladding layer to be about 10mm in length, and cleaning; and B: according to the required diameter of the corroded optical fiber, corroding the exposed cladding of the optical fiber 3 to the required diameter by using a hydrofluoric acid solution according to a conventional optical fiber corrosion process; and C: placing the glass V-shaped groove 1 into an assembly tool and fixing; step D: placing an optical fiber 3 strip into a glass V-shaped groove 1, adjusting the front and back positions of an optical fiber strip to ensure that an optical fiber corrosion cladding layer is about 1mm at the front end of the glass V-shaped groove 1, a coating layer stripping junction is positioned at the small step position of the V-shaped groove, and the tail part of the optical fiber 3 is temporarily fixed on a clamp by using a single-sided adhesive tape; step E: placing the glass cover plate 2 above the glass V-shaped groove 1 and pressing tightly; step F: fixing glue A at the position of the small step inclined plane part, and curing the glue A by UV light after the fixing glue A fills the gap between the V groove and the glass cover plate 2; step G: fixing glue B at the small step of the glass V-shaped groove 1, wherein the glue B is required to completely cover the optical fiber ribbon on the step, and then curing the glue B by using UV light; step H: taking down the small-diameter optical fiber array from the assembly tool; step I: putting the assembled heat beam expanding optical fiber array into a high-temperature oven for baking so as to completely cure the glue; step J: grinding the assembled optical fiber array end face, wherein when the grinding angle is that the optical fiber end face and the bottom surface of the glass V-shaped groove 1 form an angle of 45 degrees horizontally, the protruding amount of the optical fiber 3 is generally 0.2-0.5mm, and the glass V-shaped groove 1 is generally larger than 0.5mm, so that when the optical fiber end face is ground, a part of the front end of the glass V-shaped groove 1 can be ground at the same time; step K: the fiber array is cleaned and the polished end face of the fiber array is inspected.
Example 3
In example 2, the following steps were added:
the angle of the optical fiber 3 is not limited to 45 °, and the angle of the optical fiber 3 is 38 ° to 45 °.
The utility model provides a 45 degrees fiber array of little fiber diameter, including glass V type groove 1, glass apron 2, optic fibre 3, UV glue 4, optic fibre package section 5 and the back minor diameter fiber section 6 that corrodes, 2 swing joint of glass apron are at the top in glass V type groove 1, optic fibre 3 is located between glass apron 2 and the glass V type groove 1, UV glue 4 is located between optic fibre 3 and the glass V type groove 1, the left end of optic fibre 3 and the right-hand member fixed connection of optic fibre package section 5, the right-hand member of the back minor diameter fiber section 6 of corroding and the left end fixed connection of optic fibre package section 5.
A method of operating a 45 degree fiber array with small fiber diameters, comprising the steps of: step A: removing a coating layer from one end of the optical fiber ribbon, exposing the cladding layer to be about 10mm in length, and cleaning; and B: according to the required diameter of the corroded optical fiber, corroding the exposed cladding of the optical fiber 3 to the required diameter by using a hydrofluoric acid solution according to a conventional optical fiber corrosion process; and C: placing the glass V-shaped groove 1 into an assembly tool and fixing; step D: placing an optical fiber 3 strip into a glass V-shaped groove 1, adjusting the front and back positions of an optical fiber strip to ensure that an optical fiber corrosion cladding layer is about 1mm at the front end of the glass V-shaped groove 1, a coating layer stripping junction is positioned at the small step position of the V-shaped groove, and the tail part of the optical fiber 3 is temporarily fixed on a clamp by using a single-sided adhesive tape; step E: placing the glass cover plate 2 above the glass V-shaped groove 1 and pressing tightly; step F: fixing glue A at the position of the small step inclined plane part, and curing the glue A by UV light after the fixing glue A fills the gap between the V groove and the glass cover plate 2; step G: fixing glue B at the small step of the glass V-shaped groove 1, wherein the glue B is required to completely cover the optical fiber ribbon on the step, and then curing the glue B by using UV light; step H: taking down the small-diameter optical fiber array from the assembly tool; step I: putting the assembled heat beam expanding optical fiber array into a high-temperature oven for baking so as to completely cure the glue; step J: grinding the assembled optical fiber array end face, wherein when the grinding angle is that the optical fiber end face and the bottom surface of the glass V-shaped groove 1 form an angle of 45 degrees horizontally, the protruding amount of the optical fiber 3 is generally 0.2-0.5mm, and the glass V-shaped groove 1 is generally larger than 0.5mm, so that when the optical fiber end face is ground, a part of the front end of the glass V-shaped groove 1 can be ground at the same time; step K: the fiber array is cleaned and the polished end face of the fiber array is inspected.
Example 4
In example 3, the following steps were added:
the optical fiber 3 is a polarization maintaining fiber, and the number of channels of the optical fiber 3 is not limited to 4 channels.
The utility model provides a 45 degrees fiber array of little fiber diameter, including glass V type groove 1, glass apron 2, optic fibre 3, UV glue 4, optic fibre package section 5 and the back minor diameter fiber section 6 that corrodes, 2 swing joint of glass apron are at the top in glass V type groove 1, optic fibre 3 is located between glass apron 2 and the glass V type groove 1, UV glue 4 is located between optic fibre 3 and the glass V type groove 1, the left end of optic fibre 3 and the right-hand member fixed connection of optic fibre package section 5, the right-hand member of the back minor diameter fiber section 6 of corroding and the left end fixed connection of optic fibre package section 5.
A method of operating a 45 degree fiber array with small fiber diameters, comprising the steps of: step A: removing a coating layer from one end of the optical fiber ribbon, exposing the cladding layer to be about 10mm in length, and cleaning; and B: according to the required diameter of the corroded optical fiber, corroding the exposed cladding of the optical fiber 3 to the required diameter by using a hydrofluoric acid solution according to a conventional optical fiber corrosion process; and C: placing the glass V-shaped groove 1 into an assembly tool and fixing; step D: placing an optical fiber 3 strip into a glass V-shaped groove 1, adjusting the front and back positions of an optical fiber strip to ensure that an optical fiber corrosion cladding layer is about 1mm at the front end of the glass V-shaped groove 1, a coating layer stripping junction is positioned at the small step position of the V-shaped groove, and the tail part of the optical fiber 3 is temporarily fixed on a clamp by using a single-sided adhesive tape; step E: placing the glass cover plate 2 above the glass V-shaped groove 1 and pressing tightly; step F: fixing glue A at the position of the small step inclined plane part, and curing the glue A by UV light after the fixing glue A fills the gap between the V groove and the glass cover plate 2; step G: fixing glue B at the small step of the glass V-shaped groove 1, wherein the glue B is required to completely cover the optical fiber ribbon on the step, and then curing the glue B by using UV light; step H: taking down the small-diameter optical fiber array from the assembly tool; step I: putting the assembled heat beam expanding optical fiber array into a high-temperature oven for baking so as to completely cure the glue; step J: grinding the assembled optical fiber array end face, wherein when the grinding angle is that the optical fiber end face and the bottom surface of the glass V-shaped groove 1 form an angle of 45 degrees horizontally, the protruding amount of the optical fiber 3 is generally 0.2-0.5mm, and the glass V-shaped groove 1 is generally larger than 0.5mm, so that when the optical fiber end face is ground, a part of the front end of the glass V-shaped groove 1 can be ground at the same time; step K: the fiber array is cleaned and the polished end face of the fiber array is inspected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a 45 degrees fiber array of little fiber diameter, includes glass V type groove (1), glass apron (2), optic fibre (3), UV glue (4), optical fiber cladding section (5) and corrodes back minor diameter fiber section (6), its characterized in that: glass apron (2) swing joint is at the top in glass V type groove (1), optic fibre (3) are located between glass apron (2) and glass V type groove (1), UV glue (4) are located between optic fibre (3) and glass V type groove (1), the left end of optic fibre (3) and the right-hand member fixed connection of optic fibre envelope section (5), the right-hand member of corroding back minor diameter optic fibre section (6) and the left end fixed connection of optic fibre envelope section (5).
2. A 45 degree optical fiber array with small optical fiber diameter and its operation method as claimed in claim 1, wherein: the diameter of the optical fiber cladding section (5) is 125 mu m, and the diameter of the small-diameter optical fiber section (6) after corrosion is 40-100 mu m.
3. A 45 degree optical fiber array with small optical fiber diameter and its operation method as claimed in claim 1, wherein: the angle of the optical fiber (3) is not limited to 45 °, and the angle of the optical fiber (3) is 38 ° -45 °.
4. A 45 degree optical fiber array with small optical fiber diameter and its operation method as claimed in claim 1, wherein: the optical fiber (3) is a polarization maintaining optical fiber, and the number of channels of the optical fiber (3) is not limited to 4.
5. A method for operating a 45-degree optical fiber array with a small optical fiber diameter is characterized in that: the method comprises the following steps:
step A: removing a coating layer from one end of the optical fiber ribbon, exposing the cladding layer to be about 10mm in length, and cleaning;
and B: according to the required diameter of the corroded optical fiber, corroding the exposed cladding of the optical fiber (3) to the required diameter by using a hydrofluoric acid solution according to a conventional optical fiber corrosion process;
and C: putting the glass V-shaped groove (1) into an assembly tool and fixing;
step D: putting the optical fiber (3) strip into a glass V-shaped groove (1), adjusting the front and back positions of the optical fiber strip to ensure that the corrosion cladding of the optical fiber is about 1mm at the front end of the glass V-shaped groove (1), the peeling junction of the coating layer is positioned at the small step position of the V-shaped groove, and the tail part of the optical fiber (3) is temporarily fixed on a clamp by using a single-sided adhesive tape;
step E: placing the glass cover plate (2) above the glass V-shaped groove (1) and pressing tightly;
step F: fixing glue A at the position of the small step inclined plane part, and curing the glue A by UV light after the fixing glue A is filled in the gap between the V-shaped groove and the glass cover plate (2);
step G: fixing glue B at the small step of the glass V-shaped groove (1), wherein the glue B is used for completely covering the optical fiber ribbon on the step, and then curing the glue B by using UV light;
step H: taking down the small-diameter optical fiber array from the assembly tool;
step I: putting the assembled heat beam expanding optical fiber array into a high-temperature oven for baking so as to completely cure the glue;
step J: grinding the assembled optical fiber array end face, wherein when the grinding angle is that the optical fiber end face and the bottom surface of the glass V-shaped groove (1) form an angle of 45 degrees horizontally, the protruding amount of the optical fiber (3) is generally 0.2-0.5mm, and the glass V-shaped groove (1) is generally larger than 0.5mm, so that the front end of a part of the glass V-shaped groove (1) can be ground off at the same time when the optical fiber end face is ground;
step K: the fiber array is cleaned and the polished end face of the fiber array is inspected.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112099150A (en) * | 2020-09-28 | 2020-12-18 | 武汉驿路通科技股份有限公司 | Optical fiber array and manufacturing method thereof |
| CN112171384A (en) * | 2020-09-07 | 2021-01-05 | 中国科学院上海硅酸盐研究所 | Polishing method of hundred-micron diameter single crystal optical fiber |
| CN113311110A (en) * | 2021-05-18 | 2021-08-27 | 北极光电(深圳)有限公司 | Optical fiber chemical corrosion method |
| CN113920881A (en) * | 2021-10-31 | 2022-01-11 | 湖南玖芯光电科技有限公司 | Silicon-based small optical fiber array device |
| CN114325954A (en) * | 2022-01-04 | 2022-04-12 | 武汉光迅科技股份有限公司 | Novel optical fiber array structure and manufacturing method thereof |
| CN114953219A (en) * | 2022-05-24 | 2022-08-30 | 常州英诺激光科技有限公司 | Method for manufacturing square single crystal optical fiber, and composite crystal |
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