CN107238902A - A kind of optical coupling structure - Google Patents
A kind of optical coupling structure Download PDFInfo
- Publication number
- CN107238902A CN107238902A CN201710676668.1A CN201710676668A CN107238902A CN 107238902 A CN107238902 A CN 107238902A CN 201710676668 A CN201710676668 A CN 201710676668A CN 107238902 A CN107238902 A CN 107238902A
- Authority
- CN
- China
- Prior art keywords
- coupling structure
- optical coupling
- transmitter
- bare fibre
- metal box
- 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
- 238000010168 coupling process Methods 0.000 title claims abstract description 80
- 230000008878 coupling Effects 0.000 title claims abstract description 78
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 78
- 230000003287 optical effect Effects 0.000 title claims abstract description 68
- 239000002184 metal Substances 0.000 claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 230000005496 eutectics Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000002313 adhesive film Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000006117 anti-reflective coating Substances 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—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
- G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback
-
- 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
-
- 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 discloses a kind of optical coupling structure, the optical coupling structure includes：Metal box；It is arranged on bare fibre, globe lens, transmitter and driver on the metal box surface；Wherein, the bare fibre, the globe lens and the transmitter are set gradually on the metal box surface；The driver is connected with the transmitter, for driving the transmitter to launch Gauss light.The optical coupling structure high degree reduces production cost, reduces technology difficulty, and realize high performance optical coupling structure.
Description
Technical field
The present invention relates to optical device technical field is launched, more specifically, more particularly to a kind of optical coupling structure.
Background technology
With the continuous development of scientific technology, transmitting optical device is widely used to daily life and work
In, launch optical device for existing 100G, it mainly includes four passages, transmitting chip, non-globe lens and with optical fiber
Metal is trapped, wherein each passage is 25G, in the course of the work, Gauss light is sent by transmitting chip, Gauss light is saturating by aspheric
The coupling of mirror, converge to the metal with optical fiber trap the inside.
Existing 100G launches optical device during regulation, by the way that some electrical chips of transmitting chip and attaching are set
Put on metal box, and the metal box is placed in the system platform of one five dimension regulation；Metal is trapped and installed
Optical fiber, and clamped using being trapped on another five dimension coupling platform to its metal；Isolator is put in advance in the optical path, led to
Cross clamping metal trap five dimension coupling platforms coupled, make coupling maximum；Using the suction nozzle of three-dimensional coupling platform by aspheric
Lens are picked up, and Gauss light is coupled, when being coupled to maximum, and non-globe lens is fixed；Finally first metal box is set
Put on automatic coupling bonding machine, and the Gauss light launched metal box of being trapped by automatic coupling bonding machine clamping metal
Coupled, when being coupled to maximum, metal is trapped and the junction of metal box carries out laser welding.
But, 100G of the prior art launches optical device, due to using non-globe lens, and its manufacture craft is complex,
Cost is too high；Also, in coupling process, use the three-dimensional coupling of two five dimension coupling platforms and an absorption lens flat
Platform, because five dimension coupling platforms are high to required precision, therefore further increases cost；Secondly, the welding trapped in metal
During, using automatic coupling bonding machine, its is expensive, indirectly adds 100G and launches the cost of optical device, and makes
Trapped with metal and also add cost to a certain extent.
The content of the invention
To solve the above problems, the invention provides a kind of optical coupling structure, the optical coupling structure high degree
Production cost is reduced, technology difficulty is reduced, and realize high performance optical coupling structure.
To achieve the above object, the present invention provides following technical scheme：
A kind of optical coupling structure, the optical coupling structure includes：
Metal box；
It is arranged on bare fibre, globe lens, transmitter and driver on the metal box surface；
Wherein, the bare fibre, the globe lens and the transmitter are set gradually on the metal box surface；Institute
State driver to be connected with the transmitter, for driving the transmitter to launch Gauss light.
It is preferred that, in above-mentioned optical coupling structure, the transmitter is semiconductor diode.
It is preferred that, in above-mentioned optical coupling structure, the diameter range of the globe lens is 0.5mm-2mm.
It is preferred that, in above-mentioned optical coupling structure, the optical coupling structure also includes：Support；
Wherein, the support is arranged between the bare fibre and the metal box, for supporting the bare fibre.
It is preferred that, in above-mentioned optical coupling structure, the optical coupling structure also includes：Epoxy resin film layer；
Wherein, the epoxy resin film layer is arranged between the bare fibre and the support, for fixing the naked light
It is fine.
It is preferred that, in above-mentioned optical coupling structure, the optical coupling structure also includes：Shadowless glue film layer；
Wherein, the shadowless glue film layer is set between the bare fibre and the support, for fixing the bare fibre.
It is preferred that, in above-mentioned optical coupling structure, the optical coupling structure also includes：Isolator；
Wherein, the isolator is arranged on the metal box surface, and positioned at the bare fibre and the globe lens it
Between.
It is preferred that, in above-mentioned optical coupling structure, the optical coupling structure also includes：Antireflection film layer；
Wherein, the antireflection film layer is arranged at the surface of the globe lens.
It is preferred that, in above-mentioned optical coupling structure, welded between the transmitter and the metal box by eutectic
Mode be fixed.
It is preferred that, in above-mentioned optical coupling structure, welded between the transmitter and the driver by spun gold
Mode is electrically connected.
By foregoing description, a kind of optical coupling structure that the present invention is provided includes：Metal box；It is arranged on described
Bare fibre, globe lens, transmitter and driver on metal box surface；Wherein, the bare fibre, the globe lens and
The transmitter is set gradually on the metal box surface；The driver is connected with the transmitter, described for driving
Transmitter launches Gauss light.
The optical coupling structure prior art that compares employs globe lens, is effectively reduced into compared to more non-globe lens
This, and the coupling tolerance of globe lens is very big compared to more non-globe lens, greatly can also compensate very even if skew；Secondly by adopting
Coupled with bare fibre, and bare fibre is preset on metal box, compare prior art, reduce one five dimension coupling
Close platform and metal is trapped, high degree reduces the cost of the optical coupling structure.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of basic structure schematic diagram of optical coupling structure provided in an embodiment of the present invention；
Fig. 2 is the basic structure schematic diagram of another optical coupling structure provided in an embodiment of the present invention；
Fig. 3 is the basic structure schematic diagram of another optical coupling structure provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
With reference to Fig. 1, Fig. 1 is a kind of basic structure schematic diagram of optical coupling structure provided in an embodiment of the present invention.
The optical coupling structure includes：
Metal box 10；
It is arranged on bare fibre 11, globe lens 12, transmitter 13 and driver 14 on the surface of metal box 10；
Wherein, the bare fibre 11, the globe lens 12 and the transmitter 13 the surface of metal box 10 according to
It is secondary to set；The driver 13 is connected with the transmitter 14, for driving the transmitter 13 to launch Gauss light.
Specifically, in embodiments of the present invention, the transmitter 13 is preferably semiconductor diode；The driver 14 is excellent
Some electrical chips are elected as, for driving the semiconductor diode to launch Gauss light.
, will using the soft rubber head of vacuum suction by dripping appropriate epoxy resin in the setting position of metal box 10
Electrical chip is absorbed from the device of antistatic protection, is conformed on metal box 10, coordinates high-power microscope to be observed, directly
There is epoxy resin spilling to electrical chip surrounding, it is final to carry out baking processing.
Semiconductor diode chip is absorbed from the device of antistatic protection using the wolfram steel suction nozzle of vacuum suction, pasted
Setting position on metal box 10 is bonded to, eutectic welding is carried out in the environment of 320 DEG C of high temperature.
The mode welded finally by spun gold, will be electrically connected between transmitter 13 and driver 14.
Based on optical coupling structure provided in an embodiment of the present invention, the principle for replacing non-globe lens using globe lens is had
Body is illustrated：
Understand that the coupling efficiency of non-globe lens is 50% by experiment first, the coupling efficiency of globe lens is 30%, transmitting
The transmission power of device is about 7mw, and according to the standard of the specific model of optical coupling structure, 2mw power output can just be met
Demand；And can be compensated for tolerance 100um in the coupling process of globe lens, rather than globe lens coupling tolerance only
Only there was only 20um, and between 0.5mm-2mm, i.e., on the premise of cost is reduced again the diameter range of the globe lens 12 is preferably
Realize high performance optical coupling structure.
Based on the above embodiment of the present invention, in an alternative embodiment of the invention, carried with reference to Fig. 2, Fig. 2 for the embodiment of the present invention
The basic structure schematic diagram of another optical coupling structure supplied.The optical coupling structure also includes：Support 21；
Wherein, the support 21 is arranged between the bare fibre 11 and the metal box 10, described naked for supporting
Optical fiber 11.
Specifically, the support 21 is used to fix the bare fibre 11, allow the bare fibre 11 is more smooth to put
Put；Wherein, the detailed process of the setting support 21 is：In the setting position of the metal box 10, epoxy resin film layer is set
Or the upper appropriate epoxy resin of drop, using the first support 21 of the soft rubber of vacuum suction from the device of antistatic protection
Absorb, and conform on metal box 10；When laminating type is using instillation epoxy resin, it is necessary to be seen under high-power microscope
Examine, until there is epoxy resin spilling at the edge of support 21, it is final to carry out baking processing.
The detailed process that bare fibre 11 is conformed into the support 21 is：In the middle position of the support 21, epoxy is set
Resin film layer or the upper appropriate epoxy resin of drop, are adsorbed from the device of antistatic protection bare fibre 11 using rubber tweezers
Go out, and conform to the setting position of the support 21, observed with reference to high-power microscope, whether the bare fibre 11 is smooth
It is fixed on the support, it is final to carry out baking processing；Or, the bare fibre 11 is placed on to the setting position of the support 21
Put, by clicking and entering shadowless glue, solidified by setting illumination, form shadowless glue film layer, finally toasted to discharge it
In stress.
It follows that for the prior art that compares, bare fibre 11 is arranged on into metal box 10 in the embodiment of the present invention
On support 21 on, it is no longer necessary in addition five dimension coupling regulation platforms and metal trap, and bare fibre use fixation
Mode also no longer needs automatic coupling bonding machine, effectively reduces the cost of optical coupling structure, reduces technology difficulty.
Based on the above embodiment of the present invention, in an alternative embodiment of the invention, carried with reference to Fig. 3, Fig. 3 for the embodiment of the present invention
The basic structure schematic diagram of another optical coupling structure supplied.The optical coupling structure also includes：Isolator 31；
Wherein, the isolator 31 is arranged on the surface of metal box 10, and positioned at the bare fibre 11 and the ball
Between lens 12.
Specifically, it is general in the transmitting procedure of long range, it is preferably provided with the isolator 31；In the range of certain distance
In order to it is cost-effective can also be without setting the isolator.Wherein, the isolator is act as：Prevent in light path due to each
Plant reason and produce the harmful effect that back reflection light is produced to light source and light path system.For example, being passed in semiconductor laser and light
Isolator is set between defeated system, reflected light can be largely reduced and the spectral output power stability of light source is produced
Harmful effect.And in high speed directly modulation and Direct-detection Optical fiber communication system, backlight can produce noise, make system
Performance degradation, by setting isolator effectively to solve the problem.
Accordingly, it would be desirable to explanation, in embodiments of the present invention, if guarantor of the isolator 31 in the present invention is set
In the range of shield.
Based on the above embodiment of the present invention, in an alternative embodiment of the invention, the optical coupling structure also includes：Anti-reflection
Penetrate film layer；
Wherein, the antireflection film layer is arranged at the surface of the globe lens 12；
Or the antireflection film layer is set with the bare fibre 11 towards one end of the globe lens 12.
Specifically, passing through efficiency by setting the antireflective coating to effectively improve light, and the antireflective coating is set
Depending on can be according to actual conditions.
A kind of optical coupling structure provided by above-mentioned whole embodiments of the invention, the present invention, compared to more existing
For technology, high degree reduces production cost, reduces technology difficulty, and realize high performance optical coupled knot
Structure.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of optical coupling structure, it is characterised in that the optical coupling structure includes：
Metal box；
It is arranged on bare fibre, globe lens, transmitter and driver on the metal box surface；
Wherein, the bare fibre, the globe lens and the transmitter are set gradually on the metal box surface；It is described to drive
Dynamic device is connected with the transmitter, for driving the transmitter to launch Gauss light.
2. optical coupling structure according to claim 1, it is characterised in that the transmitter is semiconductor diode.
3. optical coupling structure according to claim 1, it is characterised in that the diameter range of the globe lens is 0.5mm-
2mm。
4. optical coupling structure according to claim 1, it is characterised in that the optical coupling structure also includes：Support；
Wherein, the support is arranged between the bare fibre and the metal box, for supporting the bare fibre.
5. optical coupling structure according to claim 4, it is characterised in that the optical coupling structure also includes：Epoxy
Resin film layer；
Wherein, the epoxy resin film layer is arranged between the bare fibre and the support, for fixing the bare fibre.
6. optical coupling structure according to claim 4, it is characterised in that the optical coupling structure also includes：Without shadow
Adhesive film；
Wherein, the shadowless glue film layer is set between the bare fibre and the support, for fixing the bare fibre.
7. optical coupling structure according to claim 1, it is characterised in that the optical coupling structure also includes：Isolation
Device；
Wherein, the isolator is arranged on the metal box surface, and positioned between the bare fibre and the globe lens.
8. optical coupling structure according to claim 1, it is characterised in that the optical coupling structure also includes：Anti-reflection
Penetrate film layer；
Wherein, the antireflection film layer is arranged at the surface of the globe lens.
9. optical coupling structure according to claim 1, it is characterised in that between the transmitter and the metal box
It is fixed by way of eutectic is welded.
10. optical coupling structure according to claim 1, it is characterised in that between the transmitter and the driver
It is electrically connected by way of spun gold is welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676668.1A CN107238902A (en) | 2017-08-09 | 2017-08-09 | A kind of optical coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676668.1A CN107238902A (en) | 2017-08-09 | 2017-08-09 | A kind of optical coupling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107238902A true CN107238902A (en) | 2017-10-10 |
Family
ID=59988588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710676668.1A Pending CN107238902A (en) | 2017-08-09 | 2017-08-09 | A kind of optical coupling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107238902A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020009268A1 (en) * | 2000-03-30 | 2002-01-24 | Akira Matsumoto | Optical fiber array |
| JP2002169066A (en) * | 2000-12-05 | 2002-06-14 | Mitsubishi Electric Corp | Hermetically sealed semiconductor device and method for manufacturing the same |
| CN2567837Y (en) * | 2002-08-05 | 2003-08-20 | 刘胜 | Semiconductor laser emission module |
| US20050135751A1 (en) * | 2003-12-23 | 2005-06-23 | Eric Zbinden | Steering isolator for an opto-electronic assembly focusing apparatus |
| CN101398513A (en) * | 2007-09-26 | 2009-04-01 | 博创科技股份有限公司 | Optical fiber array device of cramped construction and method for manufacturing same |
| CN202260118U (en) * | 2011-09-20 | 2012-05-30 | 深圳市飞康技术有限公司 | Butterfly type laser encapsulation component |
| CN103383482A (en) * | 2013-07-19 | 2013-11-06 | 武汉博昇光电技术有限公司 | Fiber array coupled with VSCEL or PIN array and manufacturing method of fiber array |
| CN104597567A (en) * | 2015-01-22 | 2015-05-06 | 中国科学院半导体研究所 | Optical switch array module and chamfered optical fiber array packaging method |
| CN105098577A (en) * | 2015-09-02 | 2015-11-25 | 西安精英光电技术有限公司 | Sphere-lens coupling-based tail fiber laser |
| CN105717577A (en) * | 2016-03-31 | 2016-06-29 | 武汉光迅科技股份有限公司 | Manufacturing method for optical fiber array for optical coupling and coupling method and device |
| CN206975276U (en) * | 2017-08-09 | 2018-02-06 | 东莞铭普光磁股份有限公司 | A kind of optical coupling structure |
-
2017
- 2017-08-09 CN CN201710676668.1A patent/CN107238902A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020009268A1 (en) * | 2000-03-30 | 2002-01-24 | Akira Matsumoto | Optical fiber array |
| JP2002169066A (en) * | 2000-12-05 | 2002-06-14 | Mitsubishi Electric Corp | Hermetically sealed semiconductor device and method for manufacturing the same |
| CN2567837Y (en) * | 2002-08-05 | 2003-08-20 | 刘胜 | Semiconductor laser emission module |
| US20050135751A1 (en) * | 2003-12-23 | 2005-06-23 | Eric Zbinden | Steering isolator for an opto-electronic assembly focusing apparatus |
| CN101398513A (en) * | 2007-09-26 | 2009-04-01 | 博创科技股份有限公司 | Optical fiber array device of cramped construction and method for manufacturing same |
| CN202260118U (en) * | 2011-09-20 | 2012-05-30 | 深圳市飞康技术有限公司 | Butterfly type laser encapsulation component |
| CN103383482A (en) * | 2013-07-19 | 2013-11-06 | 武汉博昇光电技术有限公司 | Fiber array coupled with VSCEL or PIN array and manufacturing method of fiber array |
| CN104597567A (en) * | 2015-01-22 | 2015-05-06 | 中国科学院半导体研究所 | Optical switch array module and chamfered optical fiber array packaging method |
| CN105098577A (en) * | 2015-09-02 | 2015-11-25 | 西安精英光电技术有限公司 | Sphere-lens coupling-based tail fiber laser |
| CN105717577A (en) * | 2016-03-31 | 2016-06-29 | 武汉光迅科技股份有限公司 | Manufacturing method for optical fiber array for optical coupling and coupling method and device |
| CN206975276U (en) * | 2017-08-09 | 2018-02-06 | 东莞铭普光磁股份有限公司 | A kind of optical coupling structure |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171010 |
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| RJ01 | Rejection of invention patent application after publication |