CN106094127A - Optical module - Google Patents
Optical module Download PDFInfo
- Publication number
- CN106094127A CN106094127A CN201610694692.3A CN201610694692A CN106094127A CN 106094127 A CN106094127 A CN 106094127A CN 201610694692 A CN201610694692 A CN 201610694692A CN 106094127 A CN106094127 A CN 106094127A
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- Prior art keywords
- reflecting surface
- fully reflecting
- light
- optical module
- module
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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
- G02B6/42—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
-
- 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
- G02B6/4206—Optical features
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of optical module, belong to technical field of optical fiber communication.Optical module includes circuit board, the laser instrument being arranged on circuit board and the lens module being arranged on circuit board, first fully reflecting surface of lens module uses hierarchic structure near the exiting surface of lens module, the first fully reflecting surface, and the platform of hierarchic structure is parallel with circuit board.The present invention is by being designed to hierarchic structure by the fully reflecting surface of lens module, a part of light can be gone out by the direct transmission of the terrace part of hierarchic structure, only some light can be through reflection output to optical fiber, it is achieved thereby that the decay to the light that laser instrument is launched so that the luminous power of output to optical fiber is less than requiring to export the upper limit of the luminous power to optical fiber.
Description
Technical field
The present invention relates to technical field of optical fiber communication, particularly to a kind of optical module.
Background technology
In fiber optic communication systems, the optical module with light transmit-receive integrated function is indispensable device.Generally, such as figure
Shown in 1, the optical module realizing opto-electronic conversion in COB (Chip On Board, chip on board) technology includes laser instrument and one
The lens module of injection mo(u)lding, after the diverging light that laser instrument sends is via the converged optical lens face of lens, is converted into directional light,
The fully reflecting surface of these directional light directive lens, after being changed in the transmission direction of light via this fully reflecting surface, output is to optical fiber.
In actual application, there is the upper limit to require the luminous power of output to optical fiber, and the luminous power by laser instrument transmitting light is the biggest
In requiring to export the upper limit of the luminous power to optical fiber.
Summary of the invention
The luminous power launching light in order to solve laser instrument typically larger than requires output asking to the upper limit of the luminous power of optical fiber
Topic, embodiments provides a kind of optical module.Described technical scheme is as follows:
First aspect, it is provided that a kind of optical module, described optical module includes circuit board, and be arranged on described circuit board swashs
Light device and the lens module being arranged on described circuit board, the first fully reflecting surface of described lens module is near described lens module
Exiting surface, described first fully reflecting surface uses hierarchic structure, the platform of described first fully reflecting surface hierarchic structure and described electricity
Road plate is parallel；Wherein, the light that described laser instrument is launched is perpendicular to the first fully reflecting surface described in described circuit board directive, is incident to institute
State the light transmission of platform in the first fully reflecting surface hierarchic structure to go out, after being incident to light total reflection domatic in described hierarchic structure
Export via described exiting surface.
The technical scheme that the embodiment of the present invention provides has the benefit that
By the fully reflecting surface of lens module is designed to hierarchic structure so that a part of light can be by hierarchic structure
The direct transmission of terrace part is gone out, and only some light can be through reflection output to optical fiber, it is achieved thereby that launch laser instrument
The decay of light so that the luminous power exported to optical fiber is less than the upper limit requiring to export the luminous power to optical fiber.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of a kind of lens module of the prior art；
Fig. 2 A is the sectional view of the part-structure of a kind of optical module that the embodiment of the present invention provides；
Fig. 2 B is the sectional view of the part-structure of a kind of lens module that the embodiment of the present invention provides；
Fig. 2 C is the sectional view of the part-structure of a kind of lens module that the embodiment of the present invention provides；
Fig. 2 D is the sectional view of the part-structure of a kind of lens module that the embodiment of the present invention provides；
Fig. 2 E is the sectional view of the part-structure of a kind of lens module that the embodiment of the present invention provides；
Fig. 2 F is the sectional view of the part-structure of a kind of lens module that the embodiment of the present invention provides；
Fig. 2 G is the inside index path of a kind of optical module that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Before the embodiment of the present invention is explained, the first entirety to the optical module that the present embodiments relate to
Structure is introduced, and is the sectional view of optical module part-structure as shown in Figure 2 A, and this optical module includes circuit board 21, laser instrument 22
With lens module 23.
Wherein, laser instrument 22 and lens module 23 may be contained within circuit board 21.Laser instrument 22 is corresponding with lens module 23
Arrange, in laser instrument 22 can be arranged on the cavity formed bottom lens module 23 as shown in Figure 2 A.Laser instrument 22 as light source,
Upwards launch light for being perpendicular to circuit board 21, inject the first fully reflecting surface 231 of lens module 23, be all-trans via described first
After penetrating face 231 reflection, warp is exported to optical fiber by the exiting surface 232 of lens module 23, and this optical fiber is included in optical fiber module 24.Light
Fine module 24 is correspondingly arranged with the exiting surface 232 of lens module 23, so that the light via exiting surface 232 injection can be accurately
Inject in optical fiber.
Additionally, be also provided with drive circuit for laser on the circuit board 21 of optical module, this drive circuit for laser with
Laser instrument 22 is adjacent, is arranged in the cavity formed bottom lens module 23.
In actual application, this optical module can be the optical module of array, that is to say, this optical module can be single pass
Optical module, or multichannel optical module, the multichannel light module such as such as 4 passages or 12 passages, the embodiment of the present invention pair
The number of active lanes of optical module is not construed as limiting.Correspondingly, when optical module has a passage, lens module 23 has one and goes out light
Face 232, can support to comprise the optical fiber module 24 of a road optical fiber.When optical module has multichannel, lens module 23 includes many
Individual exiting surface 232, can support to include the optical fiber module 24 of multi-channel optical fibre, is a kind of multichannel light module shown in Fig. 2 A.
As shown in Figure 2 A, the incidence surface 241 of optical fiber module 24 Zhong Mei road optical fiber and the exiting surface 203 of lens module is corresponding sets
Put, constitute multiple passages of optical module.For any of which passage, after incident light is converged by exiting surface 232, send out
It is incident upon in optical fiber module 24 incidence surface 241 of corresponding optical fiber, and then realizes the transmission of light.Fig. 2 A is only with a passage of optical module
Optical transport for exemplifying, the optical transport mode of other passages is in like manner.
The luminous power launching light in order to solve laser instrument typically larger than requires output asking to the upper limit of the luminous power of optical fiber
Topic, in the embodiment of the present invention, is improved, by the fully reflecting surface of lens module 23 structure of lens module 23 in optical module
It is designed to hierarchic structure so that can reflect via only a fraction light in the light of fully reflecting surface reflection and export to optical fiber, reach
Laser instrument is launched the purpose of optical attenuation.The embodiment of the present invention is explained by concrete structure below in conjunction with lens module 23 in detail
State.
Fig. 2 B is the sectional view of the part-structure of a kind of lens module that the embodiment of the present invention provides, and sees Fig. 2 B, and this is saturating
First fully reflecting surface 231 of mirror module and the second fully reflecting surface 233 form the first groove structure, near the exiting surface of lens module
First fully reflecting surface 231 of 232 uses hierarchic structure.The hierarchic structure of the first fully reflecting surface 231 has platform 2311 and domatic
2312, platform 2311 is parallel with circuit board 21.
Wherein, the hierarchic structure of the first fully reflecting surface 231 can be two-layer hierarchic structure, includes first the most respectively
Domatic 2312a, platform 2311 and the second domatic 2312b.
In order to make the collimation being incident to lens module 23 first fully reflecting surface 231 and the second fully reflecting surface 233 light higher,
This lens module 23 also includes incidence surface 230, and this incidence surface 230 is arranged at the underface of the first groove so that 22, laser instrument
Penetrate be converted into directional light via this incidence surface 230 after, be incident to the first fully reflecting surface 231 and the second fully reflecting surface 233.This is years old
One fully reflecting surface 231 and the second fully reflecting surface 233, for being divided into two ways of optical signals by directional light, wherein via the first total reflection
The light of face 231 reflection, for output to optical fiber module 24, is used for monitoring via the light of the second fully reflecting surface 233 reflection, such as supervises
The signal quality of control light and luminous power etc..By lens module is designed to the first groove structure so that laser instrument 22 is launched
Light can carry out light splitting, it is achieved that laser instrument 22 is launched the monitoring of light so that while completing fiber-optic transfer, it is ensured that
The transmission quality of light.
Wherein, the first fully reflecting surface 231 and the second fully reflecting surface 233 are for being totally reflected incident illumination.Via first
The light emission of fully reflecting surface 231 reflection exports to optical fiber module after being assembled by incident light to exiting surface 232, this exiting surface 232
24.Wherein, exiting surface 232 and incidence surface 230 are converged optical lens face.
When being embodied as, in order to ensure that the first fully reflecting surface 231 and the second fully reflecting surface 233 are capable of directional light
Total reflection, the angle of the first fully reflecting surface 231 and horizontal plane is less than or equal to the complementary angle of the lens module angle of total reflection, and second is all-trans
Penetrate the angle complementary angle less than or equal to the lens module angle of total reflection of face 233 and horizontal plane.Preferably, the first fully reflecting surface 231
Being less than 47 degree with the angle of horizontal plane, the second fully reflecting surface 233 is less than 47 degree with the angle of horizontal plane.It should be noted that work as
When first fully reflecting surface 231 uses hierarchic structure, the first fully reflecting surface 231 refers to the first fully reflecting surface with the angle of horizontal plane
Domatic the 2312 of 231 with the angle of horizontal plane, platform 2311 and plane-parallel.It should be noted that in the embodiment of the present invention
The plane at circuit board 21 place is considered as horizontal plane, and therefore platform 2311 is parallel with circuit board 21.
The fully reflecting surface of lens module 23 uses hierarchic structure as shown in Figure 2 B, it is possible to achieve to laser instrument 22 incident illumination
Decay.Below as a example by the hierarchic structure of the first fully reflecting surface 231, the principle realizing optical attenuation is explained:
When there being the first directional light to be from bottom to top incident to the first fully reflecting surface 231, the first fully reflecting surface 231 domatic
2312 pairs of the first light are totally reflected, and obtain parallel the second directional light launched to the right, and this second directional light is incident upon out to the right light
Face 232.Owing to platform 2311 place plane is vertical with the first directional light, the light being therefore incident to platform 2311 directly transmits
Go, and do not change transmission direction so that the luminous power of the second directional light of the first fully reflecting surface 231 outgoing is less than incident first
Directional light, serves the attenuation to the first directional light.
Wherein, the attenuation ratio to the first directional light, the length ratio of platform 2311 with domatic 2312 determine, and platform
2311 with domatic 2312 length ratio can be calculated by attenuation ratio according to actual needs, the embodiment of the present invention is to this not
Make concrete restriction.When the hierarchic structure of the first fully reflecting surface 231 is two-layer hierarchic structure, it is preferable that the first fully reflecting surface 231
The length of the first domatic 2312a between 30 to 40 microns, the length of platform 2311 is between 30 to 40 microns, and second is domatic
The length of 2312b is between 50 to 60 microns, to realize the decay of to light 20%～30%.It should be noted that platform
The length of 2311, the length of the first domatic 2312a, the length of the second domatic 2312b refer both to the first fully reflecting surface shown in Fig. 2 A
Length indicated by each several part in 231 cross sections.
As shown in Figure 2 C, to the luminous power of the light for monitoring is decayed, the second total reflection of lens module 23
Face 233 can also use hierarchic structure, with first fully reflecting surface 231 use hierarchic structure in like manner, this second fully reflecting surface 233
Hierarchic structure there is platform 2331 and domatic 2332.When the second circle reflecting surface 233 uses two-layer hierarchic structure, this ladder is tied
The ingredient of structure can include the 3rd domatic 2332a, platform 2331 and the 4th domatic 2332b from the bottom to top.Certainly, in reality
During application, only hierarchic structure can be used to realize the first fully reflecting surface 231, it is also possible to only to be used by the second fully reflecting surface 233
Hierarchic structure realizes, it is also possible to all use hierarchic structure to realize the first fully reflecting surface 231 and the second fully reflecting surface 233, this
This is not especially limited by bright embodiment.
It should be noted that when the first fully reflecting surface 231 and the second fully reflecting surface 233 all use hierarchic structure, first
Fully reflecting surface 231 and the second fully reflecting surface 233 can be symmetrical, it is also possible to asymmetric, if being designed to symmetrical structure can be by reality
Determining the attenuation requirement of light, or determined by actual look design requirement, this is not especially limited by the embodiment of the present invention.
As shown in Figure 2 D, this lens module also has the second groove structure, and this second groove structure has the 3rd total reflection
Face 234, the 3rd fully reflecting surface 234 is near the second fully reflecting surface 233.Use COB chip technology optical module in, due to
The light from top to bottom launched can only be received, therefore, in order to will be anti-via the second fully reflecting surface 233 in the detector receiving monitoring light
The direction of the light penetrated is converted into from top to bottom, and the 3rd fully reflecting surface 234 is just for via the second fully reflecting surface 233 outgoing
Light is totally reflected, by the transmission direction of light by being converted to the left downwards.It should be noted that in order to avoid to bottom portion of groove
Abrasion, simultaneously for the ease of processing and manufacturing, the bottom of this second groove structure can be designed as the plane with one fixed width
Structure so that the second groove forms the groove of an inverted trapezoidal.Certainly, the first groove structure can also be designed to the recessed of inverted trapezoidal
Groove structure, the platform during now the planar structure of bottom portion of groove i.e. can be considered fully reflecting surface hierarchic structure.
Wherein, in order to carry out optical attenuation further, the 3rd fully reflecting surface 234 can also use hierarchic structure, now, the
The platform place plane of three fully reflecting surfaces 234 and horizontal plane, as shown in Figure 2 E, that is to say, vertical with circuit board 21 so that
The direct transmission of light being incident to the 3rd fully reflecting surface 234 platform is gone out and is not reflected, and then realizes optical attenuation.
It should be noted that in order to ensure can launch completely to the 3rd complete via the light of the second fully reflecting surface 233 reflection
Reflecting surface 234, can make the degree of depth degree of depth more than the first groove structure of the second groove structure when actual design, and the present invention is real
Execute example the concrete numerical value of the degree of depth is not construed as limiting.
As shown in Figure 2 F, in order to avoid the light gone out via the first full fully reflecting surface 231 and the second fully reflecting surface 232 transmission
Roundtrip affects the normal transmission of optical signal again, lens module is also provided with block the first groove structure and second recessed
The extinction plate 235 of groove structure, all absorbs with unnecessary light transmission gone out.This extinction plate 235 can be arbitrarily to have suction
The material of light characteristic, the composition material of extinction plate 235 is not especially limited by the embodiment of the present invention.It should be noted that when the
When three fully reflecting surfaces 235 can also use hierarchic structure, in order to avoid the light roundtrip of transmission to the left affects the biography of optical signal
Defeated, also another face of the second groove can be designed to fully reflecting surface, to be converted into bottom right supreme by transmiting the direction delustered
Launch to extinction plate 235, extinction plate 235 absorb.
It should be noted that Fig. 2 B to Fig. 2 F is illustrated that lens module 23 part-structure in Fig. 2 A indicated by dotted line frame
Cross section, for other structures of lens module 23 in Fig. 2 A, the embodiment of the present invention is not introduced, and does not also limit this.For
More clearly explaining the effect to light of the optical module overall structure, Fig. 2 G shows the inside index path of a kind of optical module.
The optical module that the embodiment of the present invention provides, by being designed to hierarchic structure by the fully reflecting surface of lens module so that
A part of light can be gone out by the direct transmission of the terrace part of hierarchic structure, it is achieved thereby that the decay of light, has reached output
Luminous power to optical fiber is less than the purpose of the luminous power upper limit required.Further, this structure can use integrated molding to make,
Thus while the decay achieving light, decrease manufacturing process and the Production Time of lens module.It addition, use identical
Mold Making lens module out is completely the same so that the lens module made has an identical optical attenuation effect, and one
Cause is good.
Further, extinction plate is used to block above first groove structure and the second groove structure of lens module,
On the one hand by extinction plate, the absorption of transmission light avoided the light roundtrip again that transmission goes out and affect normally passing of optical signal
Defeated, on the other hand extinction plate and the first groove structure and the second groove structure form a structure sealed, it is ensured that lens module
Cleaning inside, it is to avoid owing to dust falls into the transmission quality of lens module internal influence optical signal.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. an optical module, it is characterised in that described optical module includes circuit board, the laser instrument being arranged on described circuit board and
The lens module being arranged on described circuit board,
First fully reflecting surface of described lens module uses rank near the exiting surface of described lens module, described first fully reflecting surface
Ladder structure, the platform of described first fully reflecting surface hierarchic structure is parallel with described circuit board；
Wherein, the light that described laser instrument is launched is perpendicular to the first fully reflecting surface described in described circuit board directive, is incident to described the
In one fully reflecting surface hierarchic structure, the light transmission of platform is gone out, be incident to after light total reflection domatic in described hierarchic structure through by
Described exiting surface exports.
Optical module the most according to claim 1, it is characterised in that the second fully reflecting surface of described lens module and described
One fully reflecting surface forms the first groove structure, and described first groove structure is correspondingly arranged with described laser instrument；
Wherein, the light that described laser instrument is launched is via described first groove structure light splitting to described second fully reflecting surface.
Optical module the most according to claim 2, it is characterised in that described second fully reflecting surface uses hierarchic structure, described
The platform of the second fully reflecting surface hierarchic structure is parallel with described circuit board.
Optical module the most according to claim 2, it is characterised in that described lens module has the second groove structure, is formed
3rd fully reflecting surface of described second groove structure is near described second fully reflecting surface.
Optical module the most according to claim 4, it is characterised in that the platform of described 3rd fully reflecting surface and described circuit board
Vertically.
6. according to the optical module described in claim 4 or 5, it is characterised in that be provided with on described lens module and block described
One groove structure and the extinction plate of described second groove structure.
Optical module the most according to claim 4, it is characterised in that the degree of depth of described second groove structure is more than described first
The degree of depth of groove structure.
Optical module the most according to claim 1, it is characterised in that described first fully reflecting surface is less than with the angle of horizontal plane
47 degree.
Optical module the most according to claim 1, it is characterised in that the hierarchic structure of described first fully reflecting surface is two-layer rank
Ladder structure, includes the first domatic, platform and second domatic from the bottom to top, described first domatic length 30 to 40 microns it
Between, the length of described platform is between 30 to 40 microns, and described second domatic length is between 50 to 60 microns.
Optical module the most according to claim 1, it is characterised in that described exiting surface is converged optical lens face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694692.3A CN106094127A (en) | 2016-08-18 | 2016-08-18 | Optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694692.3A CN106094127A (en) | 2016-08-18 | 2016-08-18 | Optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106094127A true CN106094127A (en) | 2016-11-09 |
Family
ID=58070690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610694692.3A Pending CN106094127A (en) | 2016-08-18 | 2016-08-18 | Optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106094127A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164481A (en) * | 2017-11-06 | 2020-05-15 | 恩普乐股份有限公司 | Optical receptacle, optical module and optical transmitter |
| CN114465076A (en) * | 2022-02-09 | 2022-05-10 | 江苏亮点光电科技有限公司 | Linear laser |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203149147U (en) * | 2013-04-03 | 2013-08-21 | 青岛海信宽带多媒体技术有限公司 | Optical device and optical module |
| CN203149161U (en) * | 2013-04-03 | 2013-08-21 | 青岛海信宽带多媒体技术有限公司 | Optical device and optical module with optical device |
| US20140027624A1 (en) * | 2012-07-24 | 2014-01-30 | Yi Hung | Optical fiber assembly capable of detecting light intensity |
| CN103959122A (en) * | 2011-12-02 | 2014-07-30 | 恩普乐股份有限公司 | Optical receptacle and optical module provided with same |
| CN105278054A (en) * | 2014-06-13 | 2016-01-27 | 住友电气工业株式会社 | Optical module with beam splitter on reflecting surface |
| CN105629404A (en) * | 2016-04-08 | 2016-06-01 | 四川华拓光通信股份有限公司 | Coupling lens device applied to vertical cavity surface emitting laser |
-
2016
- 2016-08-18 CN CN201610694692.3A patent/CN106094127A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959122A (en) * | 2011-12-02 | 2014-07-30 | 恩普乐股份有限公司 | Optical receptacle and optical module provided with same |
| US20140027624A1 (en) * | 2012-07-24 | 2014-01-30 | Yi Hung | Optical fiber assembly capable of detecting light intensity |
| CN203149147U (en) * | 2013-04-03 | 2013-08-21 | 青岛海信宽带多媒体技术有限公司 | Optical device and optical module |
| CN203149161U (en) * | 2013-04-03 | 2013-08-21 | 青岛海信宽带多媒体技术有限公司 | Optical device and optical module with optical device |
| CN105278054A (en) * | 2014-06-13 | 2016-01-27 | 住友电气工业株式会社 | Optical module with beam splitter on reflecting surface |
| CN105629404A (en) * | 2016-04-08 | 2016-06-01 | 四川华拓光通信股份有限公司 | Coupling lens device applied to vertical cavity surface emitting laser |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164481A (en) * | 2017-11-06 | 2020-05-15 | 恩普乐股份有限公司 | Optical receptacle, optical module and optical transmitter |
| CN114465076A (en) * | 2022-02-09 | 2022-05-10 | 江苏亮点光电科技有限公司 | Linear laser |
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Application publication date: 20161109 |