CN111367032A - Optical fiber coupling device and laser coupling equipment - Google Patents
Optical fiber coupling device and laser coupling equipment Download PDFInfo
- Publication number
- CN111367032A CN111367032A CN202010481777.XA CN202010481777A CN111367032A CN 111367032 A CN111367032 A CN 111367032A CN 202010481777 A CN202010481777 A CN 202010481777A CN 111367032 A CN111367032 A CN 111367032A
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- coupling device
- input end
- heat
- laser
- optical fiber
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Classifications
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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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
-
- 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
-
- 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
Abstract
The invention discloses an optical fiber coupling device and laser coupling equipment, wherein the optical fiber coupling device comprises: a thermally conductive housing; a bare fiber inserted into the heat-conducting shell for energy transmission, wherein the input end of the heat-conducting shell is flush with the input end of the bare fiber; and the inserting core is positioned between the heat conduction shell and the bare fiber so as to connect the heat conduction shell and the bare fiber, wherein the input end part of the inserting core is provided with a reflection coating. The input end part of the heat-conducting shell is flush with the input end part of the bare fiber, so that the bare fiber can be cleaned in a non-contact manner, and during cleaning, cleaning airflow does not need to pass through the inner side wall of the heat-conducting shell, so that the bare fiber can be cleaned conveniently, the service life of the bare fiber is ensured, and the cost is reduced; the incident angle can be increased or decreased without being limited by the wall surface of the heat conducting shell by the flush arrangement; and the reflection coating is arranged to reduce the absorption of the light by the inserting core.
Description
Technical Field
The invention relates to the technical field of optical fiber coupling, in particular to an optical fiber coupling device and laser coupling equipment.
Background
There are two main ways for the light emitted by the laser source to enter the bare fiber: direct coupling, lens coupling. Wherein the lens coupling can achieve a higher coupling efficiency than the direct coupling. The lens coupling specifically means that light rays emitted by the laser source are shaped and concentrated to the input end part of the bare fiber through the lens, and energy transmission is realized through the bare fiber.
The prior art discloses a laser transmitter module, which includes a ferrule assembly, a core portion of an optical fiber, and a fiber coupling sleeve, the core portion of the optical fiber being disposed through the ferrule assembly for energy transmission; a fiber coupling ferrule is positioned between the ferrule assembly and the core portion of the optical fiber to connect the ferrule assembly and the core portion of the optical fiber.
According to the laser transmitter module, the incidence of light rays can be shielded due to the existence of the inner side wall of the ferrule assembly, so that the incidence angle of the light rays is limited to be smaller than or equal to an included angle formed by extending the position where the light rays are not shielded to the bare optical fiber, the operation requirement on incident laser is high, and the application range is limited; and when the contact type stretching cleaning is carried out by using a cotton swab for cleaning a solvent, for example, the diameter of the bare optical fiber is micron-sized, the bare optical fiber is inconvenient for human eyes to observe, the physical damage is easily caused to the input end part of the core part of the optical fiber due to improper operation, or when the non-contact cleaning is carried out by using nitrogen sprayed by a nozzle to carry cleaning solution to form cleaning airflow, the cleaning solution splashes axially to take away impurities due to the existence of the air column on the inner side wall of the heat-conducting shell, the impurities cannot be completely cleaned, and then the cleaning solution falls on the inner side wall surface of the heat-conducting shell to form secondary splashing, and part of the impurities return to the input end part of the bare optical fiber due to the existence of the vortex, so that the impurities cannot be completely cleaned, the bare optical fiber is burned out to damage the optical fiber due to the unclean impurities, and the optical fiber is replaced later, which increases the cost.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defects that the optical fiber coupling device in the prior art has a limited application range, is inconvenient to clean and is easy to damage the optical fiber, so as to provide an optical fiber coupling device and a laser coupling apparatus.
An optical fiber coupling device comprising:
a thermally conductive housing;
a bare fiber inserted into the heat-conducting shell for energy transmission, wherein the input end of the heat-conducting shell is flush with the input end of the bare fiber;
and the inserting core is positioned between the heat conduction shell and the bare fiber so as to connect the heat conduction shell and the bare fiber, wherein the input end part of the inserting core is provided with a reflection coating.
Furthermore, the bare fiber and the ferrule are made of the same material.
Further, the ferrule is a glass ferrule.
Further, the reflectivity of the reflective coating is not less than 95%.
Further, the input end part of the bare fiber and the input end part of the ferrule are sequentially arranged along the input direction of the light.
Furthermore, a filling space is formed between the output end part of the ferrule and the inner side wall of the heat-conducting shell, and the filling space is filled with adhesive.
Furthermore, an injection port is arranged on the heat conduction shell and used for injecting the adhesive.
Further, the heat conduction shell comprises a revolving body structure and a seat body structure, the seat body structure is sleeved on the revolving body structure, and the seat body structure is provided with a connecting hole.
A laser coupling device comprises
A laser device;
a laser shaping element;
in an optical fiber coupling device as described above, the laser device emits laser light through the laser shaping element and inputs the laser light to the input end of the optical fiber coupling device.
Further, the laser coupling device is a semiconductor laser.
The technical scheme of the invention has the following advantages:
1. the invention provides an optical fiber coupling device, comprising: a thermally conductive housing; a bare fiber inserted into the heat-conducting shell for energy transmission, wherein the input end of the heat-conducting shell is flush with the input end of the bare fiber; and the inserting core is positioned between the heat conduction shell and the bare fiber so as to connect the heat conduction shell and the bare fiber, wherein the input end part of the inserting core is provided with a reflection coating. According to the optical fiber coupling device with the structure, the input end part of the heat conduction shell is parallel and level to the input end part of the bare optical fiber, the bare optical fiber can be cleaned in a non-contact manner, during cleaning, cleaning airflow does not need to pass through the inner side wall of the heat conduction shell, when impurities are taken away by cleaning solution in the cleaning airflow along the axial direction, the impurities cannot fall on the inner side wall of the heat conduction shell to form secondary splashing, the impurities cannot be brought back to the input end part of the bare optical fiber due to eddy generated by the introduction of the cleaning solution, and sufficient cleaning airflow cannot be introduced due to obstruction of an air column on the inner wall surface of the heat conduction shell, so that the input end part of the bare optical fiber is fully cleaned and taken away, the bare optical fiber is cleaned conveniently, the service life of the bare optical fiber is ensured; by the flush arrangement, the incident cone structure of the laser light cannot be shielded by the wall surface of the heat conduction shell, so that the incident angle can be increased or decreased without being limited by the wall surface of the heat conduction shell, the operation requirement of the incident laser is reduced, and the application range is expanded; and through being provided with the reflection coating, can reflect the light of shining on the lock pin to reduce the lock pin and to absorb the light, keep the temperature of lock pin on lower temperature, in order to reduce the radiating pressure, make the inside heat dissipation as early as possible of device, ensure the intact of device, and make difficult the emergence lock pin inflation fracture, the binder is ageing, bare fiber burns out the scheduling problem.
2. According to the optical fiber coupling device provided by the invention, the bare fiber and the inserting core are made of the same material. An optical fiber coupling device of this structure is made through setting up bare fiber and lock pin adoption same material for the thermal expansion rate of bare fiber is the same with the thermal expansion rate of lock pin, when the temperature rose because of absorbing light, but when the thermal expansion rate because of the material of selection was lower, thereby can avoid appearing because of the cracked condition of thermal stress expansion production.
3. According to the optical fiber coupling device provided by the invention, the ferrule is a glass ferrule. The optical fiber coupling device with the structure is characterized in that the inserting core is the glass inserting core, the absorption rate of the absorption light of the glass inserting core is low, the temperature of the inserting core can be kept at a low temperature, the heat dissipation pressure is reduced, heat dissipation inside the device is achieved as soon as possible, the device is intact, and optical coating is conveniently carried out on the input end portion of the glass inserting core to form a reflection coating.
4. According to the optical fiber coupling device provided by the invention, the reflectivity of the reflection coating is not less than 95%. The optical fiber coupling device with the structure can reflect 95% or more light by setting the reflectivity of the reflection coating to be not less than 95%, so that the situation that the temperature of the light is increased due to the absorption of the light by the ferrule is avoided as much as possible, the temperature of the ferrule is kept at a lower temperature, the heat dissipation pressure is reduced, the heat inside the device is dissipated as soon as possible, and the device is ensured to be intact.
5. According to the optical fiber coupling device provided by the invention, the input end part of the bare fiber and the input end part of the ferrule are sequentially arranged along the input direction of the light. When the light irradiates the input end part of the bare fiber to input the light, the input end part of the ferrule is far away from the input end part of the bare fiber, so that the light irradiation on the input end part of the ferrule is reduced, the condition that the temperature rises due to the absorption of the light by the ferrule is avoided as much as possible, the temperature of the ferrule is kept at a lower temperature, the heat dissipation pressure is reduced, the heat inside the device is dissipated as soon as possible, and the integrity of the device is ensured.
6. The invention provides laser coupling equipment, which comprises a laser device; a laser shaping element; in an optical fiber coupling device as described above, the laser device emits laser light through the laser shaping element and inputs the laser light to the input end of the optical fiber coupling device. A laser coupling device of this structure, by including an optical fiber coupling device as described above, has naturally the advantages brought by including an optical fiber coupling device as described above.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an optical fiber coupling device provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the fiber coupling device shown in FIG. 1;
FIG. 3 is a left side view of the fiber coupling device shown in FIG. 1;
description of reference numerals:
1-a thermally conductive housing;
21-a first cylindrical solid of revolution structure, 211-the sprue, 22-the conical solid of revolution structure, 23-a second cylindrical solid of revolution structure;
3-seat structure, 31-connecting hole;
4-bare optical fiber;
5-inserting core.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
The embodiment provides a laser coupling device, which comprises a laser device, a laser shaping piece and an optical fiber coupling device, wherein the laser device emits laser light which is input to the input end part of the optical fiber coupling device after passing through the laser shaping piece. Wherein the laser coupling device may be a semiconductor laser or otherwise.
As shown in fig. 1 to 3, the optical fiber coupling device includes a thermally conductive housing 1, a bare fiber 4, and a ferrule 5. Wherein the bare fiber 4 is arranged in the heat conducting shell 1 in a penetrating way and used for energy transmission; the ferrule 5 is positioned between the heat conductive housing 1 and the bare fiber 4 to connect the heat conductive housing 1 and the bare fiber 4, wherein an input end portion of the ferrule 5 is provided with a reflective plating. The input end of each member means an end of each member irradiated with light to input the light.
Through being provided with the reflective coating, can reflect the light of shining on lock pin 5 to reduce the absorption of lock pin 5 to light, keep on lower temperature with the temperature of guaranteeing lock pin 5, with reduce the radiating pressure, make the inside heat dissipation as early as possible of device, ensure the intact of device, and make difficult the emergence lock pin 5 expansion fracture, the ageing, the bare fiber 4 of adhesive burn scheduling problem.
Specifically, the reflectance of the reflective plating layer is not less than 95%. For example, it may be made of silicon carbide or other materials. The LED light source can reflect 95% or more of light, so that the condition that the temperature of the light is increased due to the absorption of the light by the inserting core 5 is avoided as much as possible, the temperature of the inserting core 5 is kept at a lower temperature, the heat dissipation pressure is reduced, the heat inside the device is dissipated as soon as possible, and the device is ensured to be intact.
Wherein the ferrule 5 is a glass ferrule. Through setting up lock pin 5 for the glass lock pin, because the absorptivity of the absorption light of glass lock pin is lower, can ensure that the temperature of lock pin 5 keeps on lower temperature to reduce the radiating pressure, make the inside heat dissipation as early as possible of device, ensure the intact of device, and be convenient for carry out the optical coating at the input end of glass lock pin in order to form the reflection coating.
And the bare fiber 4 and the ferrule 5 are made of the same material. For example, the bare fiber 4 may be made of a glass material. The bare fiber 4 and the ferrule 5 are made of the same material, so that the thermal expansion rate of the bare fiber 4 is the same as that of the ferrule 5, and when the temperature rises due to light absorption, but the thermal expansion rate of the selected material is lower, the situation that the bare fiber and the ferrule are broken due to thermal stress expansion can be avoided.
As shown in fig. 1 and 2, the input end portion of the bare fiber 4 and the input end portion of the ferrule 5 are arranged in this order along the input direction of the light; and a filling space is formed between the output end part of the ferrule 5 and the inner side wall of the heat-conducting shell 1, and the filling space is filled with an adhesive such as high-temperature-resistant glue. Wherein the input direction of the light is the direction indicated by the arrow in fig. 1 and 2.
When light irradiates the input end part of the bare fiber 4 to input light, the input end part of the ferrule 5 is far away from the input end part of the bare fiber 4, so that the light irradiation on the input end part of the ferrule 5 is reduced, the situation that the temperature of the ferrule 5 is increased due to the absorption of the light by the ferrule 5 is avoided as much as possible, the temperature of the ferrule 5 is kept at a lower temperature, the heat dissipation pressure is reduced, the heat inside the device is dissipated as soon as possible, and the device is ensured to be intact.
As shown in fig. 1 and 2, the heat conducting casing 1 includes a revolving structure and a seat structure 3, the seat structure 3 is sleeved on the revolving structure, and the seat structure 3 is provided with a connecting hole 31. The heat conductive housing 1 may be made of metal heat conductive material or other heat conductive material, and may be connected to a connection hole 31, for example, a mounting connection device of a laser device, by a fastener to fix the optical fiber coupling device. Specifically, the revolving body structure includes a first cylindrical revolving body structure 21, a conical revolving body structure 22 and a second cylindrical revolving body structure 23 which are connected in sequence along the input direction of the light, and the seat structure 3 is sleeved on the first cylindrical revolving body structure 21. Wherein, the first column-shaped revolving body structure 21 is provided with an injection port 211, and the injection port 211 is used for injecting adhesive; and the input end of the first cylindrical solid of revolution structure 21 is flush with the input end of the bare fiber 4.
By arranging the input end part of the heat-conducting shell 1 to be parallel and level with the input end part of the bare fiber 4, the bare fiber 4 can be cleaned in a non-contact manner, during cleaning, cleaning airflow does not need to pass through the inner side wall of the heat-conducting shell 1, when impurities are taken away by cleaning solution in the cleaning airflow along the axial direction, the cleaning solution does not fall on the inner side wall of the heat-conducting shell 1 to form secondary splashing, the impurities cannot be brought back to the input end part of the bare fiber 4 due to vortex generated by the introduction of the cleaning solution, and sufficient cleaning airflow cannot be introduced due to obstruction of an air column on the inner wall surface of the heat-conducting shell 1, so that the input end part of the bare fiber 4 is sufficiently cleaned and taken away with the impurities, the bare fiber 4 is cleaned conveniently, the service life of the bare; and the cone structure of the incidence of the laser light is not shielded by the wall surface of the heat conduction shell 1 through the parallel and level arrangement, so that the incidence angle can be increased or decreased without being limited by the wall surface of the heat conduction shell 1, the operation requirement of the incident laser is reduced, and the application range is enlarged.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. An optical fiber coupling device, comprising:
a thermally conductive housing;
a bare fiber inserted into the heat-conducting shell for energy transmission, wherein the input end of the heat-conducting shell is flush with the input end of the bare fiber;
and the inserting core is positioned between the heat conduction shell and the bare fiber so as to connect the heat conduction shell and the bare fiber, wherein the input end part of the inserting core is provided with a reflection coating.
2. The optical fiber coupling device according to claim 1, wherein the bare fiber and the ferrule are made of the same material.
3. An optical fibre coupling device according to claim 1 or 2, wherein the ferrule is a glass ferrule.
4. An optical fibre coupling device as claimed in claim 3 wherein the reflective coating is not less than 95% reflective.
5. An optical fiber coupling device according to claim 4, wherein the input end portion of the bare fiber and the input end portion of the ferrule are arranged in this order along the input direction of the light.
6. An optical fiber coupling device according to claim 5, wherein a filling space is formed between the output end portion of the ferrule and the inner side wall of the heat conductive housing, and the filling space is filled with an adhesive.
7. An optical fiber coupling device according to claim 6, wherein the heat-conducting housing is provided with an injection port for injecting the adhesive.
8. An optical fiber coupling device according to claim 1 or 2, wherein the heat conducting housing comprises a revolving structure and a seat structure, the seat structure is sleeved on the revolving structure, and the seat structure is provided with a connecting hole.
9. A laser coupling device, comprising: a laser device; a laser shaping element; it is characterized by also comprising: an optical fibre coupling device as claimed in any one of claims 1 to 8 wherein said laser means emits laser light through said laser shaping means and into the input end of said optical fibre coupling device.
10. A laser coupling device as claimed in claim 9, wherein the laser coupling device is a semiconductor laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481777.XA CN111367032A (en) | 2020-06-01 | 2020-06-01 | Optical fiber coupling device and laser coupling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481777.XA CN111367032A (en) | 2020-06-01 | 2020-06-01 | Optical fiber coupling device and laser coupling equipment |
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| Publication Number | Publication Date |
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| CN111367032A true CN111367032A (en) | 2020-07-03 |
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| CN202010481777.XA Pending CN111367032A (en) | 2020-06-01 | 2020-06-01 | Optical fiber coupling device and laser coupling equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115166906A (en) * | 2022-09-05 | 2022-10-11 | 度亘激光技术（苏州）有限公司 | Optical module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6309112B1 (en) * | 1999-02-03 | 2001-10-30 | Framatome Connectors International | Easy-to-clean optical connector system |
| CN1395125A (en) * | 2001-06-28 | 2003-02-05 | Ykk株式会社 | Optical connector and sleeve for optical connector |
| CN101933202A (en) * | 2007-12-17 | 2010-12-29 | 奥兰若光电公司 | Laser emitter modules and methods of assembly |
| CN102623823A (en) * | 2011-01-31 | 2012-08-01 | 安华高科技光纤Ip（新加坡）私人有限公司 | Thin connector assembly that has optical and electrical capabilities and that includes a plug having an optical surface that can be easily wiped clean |
| CN109188611A (en) * | 2018-09-03 | 2019-01-11 | 华为技术有限公司 | A kind of fiber connector and optical fiber connector |
-
2020
- 2020-06-01 CN CN202010481777.XA patent/CN111367032A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6309112B1 (en) * | 1999-02-03 | 2001-10-30 | Framatome Connectors International | Easy-to-clean optical connector system |
| CN1395125A (en) * | 2001-06-28 | 2003-02-05 | Ykk株式会社 | Optical connector and sleeve for optical connector |
| CN101933202A (en) * | 2007-12-17 | 2010-12-29 | 奥兰若光电公司 | Laser emitter modules and methods of assembly |
| CN102623823A (en) * | 2011-01-31 | 2012-08-01 | 安华高科技光纤Ip（新加坡）私人有限公司 | Thin connector assembly that has optical and electrical capabilities and that includes a plug having an optical surface that can be easily wiped clean |
| CN109188611A (en) * | 2018-09-03 | 2019-01-11 | 华为技术有限公司 | A kind of fiber connector and optical fiber connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115166906A (en) * | 2022-09-05 | 2022-10-11 | 度亘激光技术（苏州）有限公司 | Optical module |
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