CN113467007A - Adapter, light emission component and optical module - Google Patents
Adapter, light emission component and optical module Download PDFInfo
- Publication number
- CN113467007A CN113467007A CN202110857785.4A CN202110857785A CN113467007A CN 113467007 A CN113467007 A CN 113467007A CN 202110857785 A CN202110857785 A CN 202110857785A CN 113467007 A CN113467007 A CN 113467007A
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- China
- Prior art keywords
- adapter
- filter
- light
- optical
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 39
- 239000000919 ceramic Substances 0.000 claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 16
- 210000001503 joint Anatomy 0.000 claims abstract description 9
- 239000013307 optical fiber Substances 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- 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
-
- 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
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention relates to the technical field of optical communication, in particular to an adapter, a light emitting assembly and an optical module. The adapter comprises a metal piece, a ceramic sleeve and an insulating glue layer, wherein the insulating glue layer is arranged between the metal piece and the ceramic sleeve, and the ceramic sleeve is arranged in an inner cavity of the metal piece through the insulating glue layer; the metalwork includes butt joint portion and snap ring portion, snap ring portion's peripheral dimension is greater than butt joint portion's peripheral dimension, butt joint portion is used for imbedding the light receiving component, snap ring portion is used for spacing adapter embedding light receiving component's degree of depth. The light emitting component comprises the adapter, and the light module comprises the light emitting component. The novel adapter is of a non-ferrule structure, so that the risk caused when the ceramic ferrule is assembled with other parts in an interference fit mode is avoided. The end face of the pluggable optical fiber is not required to be tested and tested repeatedly during production, the production efficiency is high, and the product cost is greatly reduced.
Description
Technical Field
The invention relates to the technical field of optical communication, in particular to an adapter, a light emitting assembly and an optical module.
Background
With the rapid development of optical fiber communication technology, especially the rapid development of high-speed local area networks, optical access networks and cable television systems, optical devices such as light emitting devices are also more widely applied in optical fiber systems. The optical communication device is the basis for constructing an optical communication system and a network, along with the continuous temperature rise of market demands, the industrial investment of the optical device module is continuously enlarged, products are continuously upgraded, and the optical communication device plays a vital role in promoting the advancement of informatization.
Currently, the optical transceiver assembly includes an emitter, a receiver, a metal tube, an adjusting ring, an adapter, a 0 degree filter and a 45 degree filter for wavelength division multiplexing. The adapter is complex in structure, and the adapter is mainly used for completing transmission of a light path. The adapter comprises the ceramic ferrule, and the ceramic ferrule is easy to generate fiber core crack and ceramic sleeve crack in interference fit assembly with other parts, so that the reliability risk of the product is increased.
Disclosure of Invention
The invention aims to provide an adapter, a light emitting assembly and an optical module, which can improve the reliability of products.
In order to achieve the purpose, the invention adopts the following technical scheme:
an adapter comprises a metal piece, a ceramic sleeve and an insulating glue layer, wherein the insulating glue layer is arranged between the metal piece and the ceramic sleeve, and the ceramic sleeve is arranged in an inner cavity of the metal piece through the insulating glue layer;
the metalwork includes butt joint portion and snap ring portion, snap ring portion's peripheral dimension is greater than butt joint portion's peripheral dimension, butt joint portion is used for imbedding the light receiving component, snap ring portion is used for spacing adapter embedding light receiving component's degree of depth.
Preferably, the metal piece further comprises an extending portion, and the extending portion is arranged at one end, far away from the butting portion, of the clamping ring portion.
Preferably, the collar portion, the abutting portion and the extension portion are integrally formed.
An optical transmit assembly comprising a laser, a seal tube body, an adjustment ring, and the adapter of claim;
the seal welding pipe body, the adjusting ring and the adapter are sequentially arranged along the direction of an optical axis of light emitted by the laser;
the seal welding body sets up on the laser instrument, the adjustable ring sets up on the seal welding body, the laser instrument with the adapter couples and carries out the overlap joint welding after presetting the power specification.
Preferably, joint portion has been seted up to the seal welding body, the adjustable ring cover is established the periphery of joint portion.
A light module comprising a light receiving module and a light emitting module as claimed in, the light receiving module comprising a metal tube, a receiver and a filter module;
the optical filter component is arranged in the metal tube body, light emitted by the light emitting component is emitted into an external optical fiber after passing through the metal tube body and the adapter, and external light is emitted into the receiver after passing through the adapter and the optical filter component.
Preferably, the optical filter assembly includes a first optical filter and a second optical filter, and the second optical filter is disposed above the first optical filter;
a first slotted hole and a second slotted hole are formed in the metal pipe body, the first optical filter is clamped at the first slotted hole, and the second optical filter is clamped at the second slotted hole;
the first optical filter is used for transmitting light emitted by the laser to the adapter and reflecting external light to the second optical filter, and the second optical filter is used for transmitting the external light to the receiver.
Preferably, the first filter is inclined by 45 ° with respect to the optical axis of the laser emission, and the second filter is inclined by 0 ° with respect to the optical axis of the laser emission.
Preferably, the adapter is embedded within the metal tube body.
Preferably, the laser is a coaxial laser transmitter.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the novel adapter is of a non-ferrule structure, so that the risk caused when the ceramic ferrule is assembled with other parts in an interference fit mode is avoided, and the reliability of a product is improved. The end face of the pluggable optical fiber is not required to be tested and tested repeatedly during production, the production efficiency is high, and the product cost is greatly reduced. In addition, a ceramic ferrule is eliminated, and the cost of the optical module is effectively reduced.
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 only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of an adapter according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a light emitting device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an optical module according to an embodiment of the present invention.
Illustration of the drawings: the laser 11, the seal welding pipe body 12, the adjusting ring 13 and the adapter 14;
the metal piece 141, the ceramic sleeve 142, the insulating glue layer 143, the butting portion 1411, the clamping ring portion 1412 and the extending portion 1413;
a metal tube 21, a receiver 22, a first filter 23, and a second filter 24.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below 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.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
Referring to fig. 1, an adapter of a light emitting module includes a metal member 141, a ceramic sleeve 142 and an insulating glue layer 143, wherein the insulating glue layer 143 is disposed between the metal member 141 and the ceramic sleeve 142, and the ceramic sleeve 142 is disposed in an inner cavity of the metal member 141 through the insulating glue layer 143;
the metal member 141 includes an abutting portion 1411 and a snap ring portion 1412, the outer circumference of the snap ring portion 1412 is larger than that of the abutting portion 1411, the abutting portion 1411 is used for being embedded into the light receiving assembly, and the snap ring portion 1412 is used for limiting the depth of the adapter embedded into the light receiving assembly.
Specifically, neotype adapter is for not having the lock pin structure, has avoided the risk that the pottery lock pin brought when assembling with other part interference fit, has promoted the reliability of product. The end face of the pluggable optical fiber is not required to be tested and tested repeatedly during production, the production efficiency is high, and the product cost is greatly reduced. In addition, a ceramic ferrule is eliminated, and the cost of the optical module is effectively reduced.
In an alternative embodiment, the metal piece 141 further includes an extension 1413, and the extension 1413 is disposed at an end of the snap ring portion 1412 remote from the abutment 1411. In this embodiment, the snap ring portion 1412, the abutting portion 1411 and the extending portion 1413 are integrally formed, so that the production process is simplified and the production efficiency is improved.
Example two
Referring to fig. 2, a light emitting module includes a laser 11, a sealing tube 12, an adjusting ring 13 and an adapter 14;
the adapter 14 comprises a metal piece 141, a ceramic sleeve 142 and an insulating glue layer 143, wherein the insulating glue layer 143 is arranged between the metal piece 141 and the ceramic sleeve 142, and the ceramic sleeve 142 is arranged in the inner cavity of the metal piece 141 through the insulating glue layer 143;
the metal piece 141 comprises an abutting part 1411 and a clamping ring part 1412, the outer circumference size of the clamping ring part 1412 is larger than that of the abutting part 1411, the abutting part 1411 is used for being embedded into the light receiving assembly, and the clamping ring part 1412 is used for limiting the depth of the adapter embedded into the light receiving assembly;
the seal welding tube body 12, the adjusting ring 13 and the adapter 14 are sequentially arranged along the optical axis direction of the light emitted from the laser 11;
the seal welding pipe body 12 is arranged on the laser 11, the adjusting ring 13 is arranged on the seal welding pipe body 12, and the laser 11 and the adapter 14 are coupled to preset power specifications and then are subjected to lap welding.
In an alternative embodiment, the sealing and welding pipe body 12 is provided with a clamping portion, and the adjusting ring 13 is sleeved on the periphery of the clamping portion.
EXAMPLE III
Referring to fig. 3, an optical module includes a light receiving module and a light emitting module of the second embodiment, where the light receiving module includes a metal tube 21, a receiver 22 and an optical filter module;
the optical filter assembly is arranged in the metal tube body 21, light emitted by the light emitting assembly passes through the metal tube body 21 and the adapter 14 and then enters the external optical fiber, and external light passes through the adapter 14 and the optical filter assembly and then enters the receiver 22.
In this embodiment, the adapter 14 is embedded in the metal pipe body 21. Optionally, the laser 11 is a coaxial laser transmitter, so that the space occupied by the optical module is reduced.
In an alternative embodiment, the filter assembly includes a first filter 23 and a second filter 24, the second filter 24 being disposed above the first filter 23;
a first slot hole and a second slot hole are arranged in the metal pipe body 21, the first optical filter 23 is clamped at the first slot hole, and the second optical filter 24 is clamped at the second slot hole;
the first filter 23 transmits the light emitted from the laser 11 to the adapter 14. The first filter 23 also serves to reflect external light to the second filter 24, and the second filter 24 serves to transmit the external light to the receiver 22.
In an alternative embodiment, the first filter 23 is tilted by 45 ° with respect to the optical axis of the laser 11 output, so the first filter 23 is also referred to as a 45 ° filter. The second filter 24 is inclined by 0 ° with respect to the optical axis of the light emitted from the laser 11, and therefore the second filter 24 is also called a 0 ° filter, and the 0 ° filter is perpendicular to the optical axis of the external light.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An adapter, characterized by comprising a metal piece (141), a ceramic sleeve (142) and an insulating glue layer (143), wherein the insulating glue layer (143) is arranged between the metal piece (141) and the ceramic sleeve (142), and the ceramic sleeve (142) is arranged in an inner cavity of the metal piece (141) through the insulating glue layer (143);
the metal piece (141) comprises a butt joint part (1411) and a clamping ring part (1412), the peripheral size of the clamping ring part (1412) is larger than that of the butt joint part (1411), the butt joint part (1411) is used for being embedded into the light receiving component, and the clamping ring part (1412) is used for limiting the depth of the adapter embedded into the light receiving component.
2. The adapter as claimed in claim 1 wherein the metal piece (141) further comprises an extension (1413), the extension (1413) being disposed at an end of the collar portion (1412) distal from the abutment (1411).
3. The adapter of claim 2, wherein the snap ring portion (1412), the abutment portion (1411) and the extension portion (1413) are integrally formed.
4. An optical emission assembly, comprising a laser (11), a welding body (12), an adjusting ring (13) and an adapter (14) according to claim 1;
the sealing welding tube body (12), the adjusting ring (13) and the adapter (14) are sequentially arranged along the optical axis direction of light emitted from the laser (11);
the seal welding pipe body (12) is arranged on the laser (11), the adjusting ring (13) is arranged on the seal welding pipe body (12), and the laser (11) and the adapter (14) are coupled to a preset power specification and then are subjected to lap welding.
5. The light emitting assembly according to claim 4, wherein the sealing tube body (12) is provided with a clamping portion, and the adjusting ring (13) is sleeved on the periphery of the clamping portion.
6. A light module comprising a light receiving module and a light emitting module as claimed in claim 4, the light receiving module comprising a metal tube body (21), a receiver (22) and a filter module;
the optical filter component is arranged in the metal tube body (21), light emitted by the light emitting component passes through the metal tube body (21) and the adapter (14) and then enters an external optical fiber, and external light passes through the adapter (14) and the optical filter component and then enters the receiver (22).
7. A light module according to claim 6, characterized in that the filter assembly comprises a first filter (23) and a second filter (24), the second filter (24) being arranged above the first filter (23);
a first slotted hole and a second slotted hole are formed in the metal pipe body (21), the first optical filter (23) is clamped at the first slotted hole, and the second optical filter (24) is clamped at the second slotted hole;
the first optical filter (23) is used for transmitting light emitted by the laser (11) to the adapter (14) and reflecting external light to the second optical filter (24), and the second optical filter (24) is used for transmitting the external light to the receiver (22).
8. The optical module according to claim 7, characterized in that the first filter (23) is inclined by 45 ° with respect to the optical axis of the laser (11) emission and the second filter (24) is inclined by 0 ° with respect to the optical axis of the laser (11) emission.
9. The light module according to claim 6, characterized in that the adapter (14) is embedded in the metal tube body (21).
10. A light module as claimed in claim 6, characterized in that the laser (11) is a coaxial laser transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857785.4A CN113467007A (en) | 2021-07-28 | 2021-07-28 | Adapter, light emission component and optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857785.4A CN113467007A (en) | 2021-07-28 | 2021-07-28 | Adapter, light emission component and optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113467007A true CN113467007A (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110857785.4A Pending CN113467007A (en) | 2021-07-28 | 2021-07-28 | Adapter, light emission component and optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113467007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236701A (en) * | 2021-11-02 | 2022-03-25 | 江苏爱得科光子技术有限公司 | LC interface-BiDi miniaturized photoelectric transceiving module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209433069U (en) * | 2019-03-11 | 2019-09-24 | 东莞市翔通光电技术有限公司 | A kind of ceramic interface for optical fiber plug |
| CN111812784A (en) * | 2020-08-26 | 2020-10-23 | 广东瑞谷光网通信股份有限公司 | Light emitting and receiving integrated device with high coupling efficiency and assembling method thereof |
| CN111884039A (en) * | 2020-08-26 | 2020-11-03 | 广东瑞谷光网通信股份有限公司 | Novel light emitting laser, light emitting assembly and assembling method thereof |
| CN212872993U (en) * | 2020-09-22 | 2021-04-02 | 广东瑞谷光网通信股份有限公司 | Plastic structure adapter of light receiving component |
| CN215264130U (en) * | 2021-07-28 | 2021-12-21 | 广东瑞谷光网通信股份有限公司 | Adapter, light emission component and optical module |
-
2021
- 2021-07-28 CN CN202110857785.4A patent/CN113467007A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209433069U (en) * | 2019-03-11 | 2019-09-24 | 东莞市翔通光电技术有限公司 | A kind of ceramic interface for optical fiber plug |
| CN111812784A (en) * | 2020-08-26 | 2020-10-23 | 广东瑞谷光网通信股份有限公司 | Light emitting and receiving integrated device with high coupling efficiency and assembling method thereof |
| CN111884039A (en) * | 2020-08-26 | 2020-11-03 | 广东瑞谷光网通信股份有限公司 | Novel light emitting laser, light emitting assembly and assembling method thereof |
| CN212872993U (en) * | 2020-09-22 | 2021-04-02 | 广东瑞谷光网通信股份有限公司 | Plastic structure adapter of light receiving component |
| CN215264130U (en) * | 2021-07-28 | 2021-12-21 | 广东瑞谷光网通信股份有限公司 | Adapter, light emission component and optical module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236701A (en) * | 2021-11-02 | 2022-03-25 | 江苏爱得科光子技术有限公司 | LC interface-BiDi miniaturized photoelectric transceiving module |
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