CN103713366B - Optical coupling device - Google Patents
Optical coupling device Download PDFInfo
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- CN103713366B CN103713366B CN201310233937.9A CN201310233937A CN103713366B CN 103713366 B CN103713366 B CN 103713366B CN 201310233937 A CN201310233937 A CN 201310233937A CN 103713366 B CN103713366 B CN 103713366B
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- lens
- light signal
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- lens section
- coupled device
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- 230000003287 optical effect Effects 0.000 title claims abstract description 49
- 230000008878 coupling Effects 0.000 title claims abstract description 37
- 238000010168 coupling process Methods 0.000 title claims abstract description 37
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 23
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 7
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Abstract
The invention relates to an optical coupling device, which comprises an optical coupling component, a photoelectric conversion module and at least two optical fibers; the optical coupling assembly has a body and a lens holder; the body is provided with a first lens part and a reflecting surface; the lens frame is arranged on the body in a separable way and is provided with a second lens part; the photoelectric conversion module is positioned at one side of the optical coupling component, corresponds to the first lens part, and is provided with an optical signal generating component and an optical signal receiving component; the optical fibers are positioned at one side of the optical coupling component and correspond to the second lens part.
Description
Technical field
The present invention is relevant with optics, in more detail refers to a kind of optically coupled device.
Background technology
Along with the progress of optics science and technology, utilize light signal to carry out the design of conducts information and device is more and more polynary and universal, and wherein apply in many fields so that optically coupled device is universal.
And the design of existing optically coupled device is as shown in U.S. Publication No. 7369328 patent " Opticalpathchangetypeopticalcouplingelement ", optical coupling assembly is designed with between two optical conenctors (opticalconnector), and two of this optical coupling assembly faces have one group of lens section respectively, and this two lens section is identical to the distance of this reflecting surface, pray the design to change light signal characteristic through this two lens section, make this optically coupled device can produce lower loss when carrying out optically-coupled transmission, and better coupling efficiency can be had.
But, above-mentioned optically coupled device is in time assembling, the doubt of lossy increasing and distortion during for avoiding light signal transmission, then must make respectively this optical conenctor align with the lens section on this optically-coupled assembly through mode that is manual or machine contraposition, not only time-consuming and also easily produce error.Therefore, to sum up illustrate known, the design of existing optically coupled device is not attained perfect yet, and the part that still haves much room for improvement.
Summary of the invention
The technical problem to be solved in the present invention is, time-consuming and easily produce the defect of error to optical alignment for optically coupled device of the prior art, a kind of optically coupled device is provided, there is the characteristics such as low to the time expended needed for the optical alignment time, optical alignment accuracy is high.
The technical scheme that the present invention adopts for its technical matters of solution provides a kind of optically coupled device, includes optical coupling assembly, photoelectric conversion module and at least one light transmitting fiber (opticalfiber); Wherein, this optically-coupled assembly has body and lens mount; This body has the first lens section and reflecting surface; This lens mount is located on this body in a detachable fashion, and has the second lens; Light signal enters this optical coupling assembly by this first lens section, after this reflective surface, leaves this optical coupling assembly by this second lens section; Or enter this optical coupling assembly by this second lens section, after this reflective surface, leave this optical coupling assembly by this first lens section; This photoelectric conversion module in order to receive electric signal and convert to light news after, this light signal outwards projected or receive light signal, then exporting after converting electric signal to; This light transmitting fiber is positioned at the side of this optical coupling assembly, and one end-face is towards this second lens section; This light transmitting fiber in order to the light signal light signal from external transmission being shot to this second lens section or receive from this second lens section, and transfers to outside.According to above-mentioned design, this second lens section includes plural lenses, and these lens meet have following condition:
0.9≧α≧1.2；
Wherein, α is the center thickness of these eyeglasses and the ratio of edge thickness.
According to above-mentioned design, this second lens section includes plural lenses, and these lens meet have following condition:
28°≧γ≧35°；
Wherein, γ is the minute surface tangent line angle of cut of these lens.
According to above-mentioned design, this first lens section includes at least one lens, and the minute surface of these lens is aspherical mirror.
According to above-mentioned design, this second lens section includes at least one lens, and the minute surface of these lens is aspherical mirror.
According to above-mentioned design, contraposition part before this lens mount has first on the face of this body, and contraposition part before then correspondence has second on this body; When this lens mount is connected with this body, this before first contraposition part with this before second contraposition part be combined.
According to above-mentioned design, this optically coupled device more comprises coil holder, be connected in a detachable fashion, and these light transmitting fibers is located on this coil holder with this lens mount of this optical coupling assembly.
According to above-mentioned design, contraposition part before this coil holder has the 3rd on the face of this lens mount, contraposition part before then correspondence has the 4th on this lens mount; When this coil holder is connected with this lens mount, before the 3rd, contraposition part contraposition part before the 4th is combined.
According to above-mentioned design, this photoelectric conversion module includes light signal generation component and light signal reception assembly; This light signal generation component has at least one smooth projection unit, in order to this light signal generation component receive electric signal and convert to light news after, this light signal is outwards projected; This light signal reception assembly has at least one light receiver, in order to receive light signal, then exports after converting electric signal to by this light signal reception assembly; In addition, this optically coupled device includes two light transmitting fibers, and wherein one in order to shoot to this second lens section by the light signal from external transmission, and other one in order to receive the light signal from this second lens section, and transfer to outside.
According to above-mentioned design, this light signal generation component is wall emission laser (verticalcavitysurfaceemittinglaser, VCSEL); This light signal reception assembly is photodiode (photodiodes, PD).
By this, through above-mentioned design, this optically coupled device is not only low to the time expended needed for the optical alignment time, more can have the high characteristic of optical alignment accuracy.
Accompanying drawing explanation
Fig. 1 is the exploded view of present pre-ferred embodiments;
Fig. 2 is the stereographic map of present pre-ferred embodiments;
Fig. 3 is the stereographic map of optical coupling assembly body;
Fig. 4 is the stereographic map of optical coupling assembly lens mount;
Fig. 5 discloses center thickness and the edge thickness of lens;
Fig. 6 discloses the minute surface tangent line angle of cut of lens;
Fig. 7 is the stereographic map of photoelectric conversion module;
Fig. 8 is the stereographic map of pedestal;
Index path when Fig. 9 and Figure 10 is present pre-ferred embodiments transmitting-receiving light signal.
Embodiment
For can the present invention be illustrated more clearly in, hereby lifts preferred embodiment and coordinate accompanying drawing to be described in detail as follows.
Refer to Fig. 1 and Fig. 2, the optically coupled device of present pre-ferred embodiments is existing comparatively extensively by four four transceivers (transceiver) and MT type belt light-transmitting fibre connector received used in order to be applicable to.This optically coupled device includes optical coupling assembly 10, photoelectric conversion module 20, coil holder 30 and several light transmitting fibers (opticalfiber) 40.Wherein:
This optical coupling assembly 10 has body 12 and lens mount 14.Wherein:
Refer to Fig. 3, this body 12 has the first lens section 121, first time contraposition part 122 and reflecting surface 123.This first lens section 121 has 12 non-spherical lenses, and is respectively four the first input lens 121a and four the first output lens 121b near eight lens of both sides.This first time contraposition part 122 is positioned on same surface with this first lens section 121, and in the present embodiment, this first time contraposition part 122 has the groove that two lay respectively at these the first lens section 121 both sides.
Refer to Fig. 4, this lens mount 14 is connected with this body 12 in a detachable fashion, in the present embodiment, contraposition part 141 before this lens mount 14 has first on the face of this body 12, contraposition part 124 before then correspondence has second on this body 12, this before first contraposition part 141 there are two grooves, and this before second contraposition part 124 there are two with each this groove in complementary projection, use the mode through each this groove being combined with corresponding respectively this projection, this lens mount 14 is connected with this body 12.In addition, this lens mount 14 has the second lens section 142, there are 12 non-spherical lenses, and be respectively four the second output lens 142a and four the second input lens 142b near eight lens of both sides.Moreover refer to Fig. 5 and Fig. 6, these lens more meet following condition:
1.)0.9≦α≦1.2；
2.)28°≦γ≦35°；
Wherein, α is the center thickness T1 of these lens and the ratio of edge thickness T2;
γ is the edge tangent line angle of cut of these lens;
Refer to Fig. 7, this photoelectric conversion module 20 has substrate 22, pedestal 24, light signal generation component 26 and light signal reception assembly 28.Wherein:
This substrate 22 is printed circuit board (PCB), and is laid with circuit layout (conductorpattern) (not shown), and this substrate 22 has a plurality of metal gaskets 221 and be electrically connected with this circuit layout.In the present embodiment, this substrate 22 is soft or hard complex printed-circuit board, and this circuit layout is laid in this soft or hard complex printed-circuit board.
This pedestal 24 is made with insulating material, and is located on this substrate 22, and has the first storage tank 241, second storage tank 242 and second time contraposition part 243.Corresponding these the first input lens 121a in position of this first storage tank 241, position then corresponding these first output lens 121b of this second storage tank 242.This second time contraposition part 243 is combined with for this first time contraposition part 122 of this optical coupling assembly 10.In the present embodiment, this second time contraposition part 243 has two projections laid respectively at outside this two storage tank 241,242, and the groove shapes of its shape and this first time contraposition part 122 is complementary.In addition, refer to Fig. 8, left and right sides projection central point is equal with the spacing between medium line M1, M2 of this second storage tank 242 to this first storage tank 241, and cell wall D3, D4 of the planar S that is connected to form of two projection central axis of this second time contraposition part 243 and these storage tanks 241,242 are in the same plane.
This light signal generation component 26 has several smooth projection unit, and to be located in this first storage tank 241 and to stick to cell wall D1, D3 of this first storage tank 241, and then corresponding these first input lens 121a, after converting the electric signal of reception to light signal, shoot to this optical coupling assembly 10 through these light projection units.In the present embodiment, this light signal generation component 26 is wall emission laser (verticalcavitysurfaceemittinglaser, VCSEL).
This light signal reception assembly 28 has several light receiver, and to be located in this second storage tank 242 and to stick to cell wall D2, D4 of this second storage tank 242, and then corresponding these first output lens 121b, after receiving light signal through these light receivers, convert electric signal to and export.In the present embodiment, this light signal reception assembly 28 is photodiode (photodiodes, PD).
In addition, this light signal generation component 26 is electrically connected with these metal gaskets 221 of the last part of this substrate 22, and this light signal reception assembly 28 is then electrically connected with these a part of in addition metal gaskets 221.By this, this light signal generation component 26 and this light signal reception assembly 28 just can pass through these metal gaskets 221 and are electrically connected with the circuit layout of this substrate 22.
This coil holder 30 is connected with this lens mount 14 of this optical coupling assembly 10 in a detachable fashion, in the present embodiment, and contraposition part 32 before this coil holder 30 has the 3rd on the face of this lens mount 14, contraposition part 143 before then correspondence has the 4th on this lens mount 14.Before 3rd, contraposition part 32 has two grooves, and before the 4th contraposition part 143 have two respectively with the 3rd before contraposition part 32 respectively this groove in complementary projection, use the mode through each this groove being combined with corresponding respectively this projection, this coil holder 30 is connected with this lens mount 14.
These light transmitting fibers 40 are located at the side this coil holder 30 being positioned at this optical coupling assembly 10, and its each one end end face is respectively towards this second lens section 142.These light transmitting fibers are respectively four the first light transmitting fiber 40a and four the second light transmitting fiber 40b closest to both sides, and wherein, these first light transmitting fibers 40a is correspondence respectively this second output lens 142a respectively, in order to receive light signal and to transfer to outside; These second light transmitting fibers 40b then distinguishes correspondence respectively this second input lens 142b, in order to the light signal from external transmission is delivered to this optical coupling assembly 10.
By this, be combined through by this first time contraposition part 122 and this second time contraposition part 243, by this before first contraposition part 141 with this before second contraposition part 124 be combined, and after by contraposition part 32 before the 3rd, contraposition part 143 is combined before the 4th, just can when assembling this optically coupled device, fast and accurately make these first input lens of light projection unit subtend 121a of this light signal generation component 26, make these first output lens of light receiver subtend 121b of this light signal reception assembly 28, make these second output lens of these first light transmitting fibers 40a subtend 142a, and make these second light transmitting fibers 40b then these second input lens of subtend 142b.In addition, the central axis planar S be connected to form and the design that cell wall D3, D4 are in the same plane and this first storage tank 241 is equal with the spacing between medium line M1, M2 of this second storage tank 242 waiting storage tank 241,242 of this two projection of this second time contraposition part 243, when this light signal generation component 26 and this light signal reception assembly 28 can be made to be arranged at respectively respectively in this storage tank, can pass through stick to this cell wall D1, D2, D3, D4 mode to reach the effect of quick position.
Refer to Fig. 9, after this light signal generation component 26 receives electric signal, just convert light signal to and shoot to this optical coupling assembly 10 through light projection unit, after light signal enters the main body 12 of this optical coupling assembly 10 by this first input lens 121a, reflect via this reflecting surface 16 and leave main body 12 and enter this lens mount 14, then, leave this optical coupling assembly 10 by this second output lens 141a and be incident upon this first light transmitting fiber 40a, and by this light signal transmission to outside.Otherwise, refer to Figure 10, when the light signal transmission of outside is to this second light transmitting fiber 40b, this optical coupling assembly 10 is shot to by this second light transmitting fiber 40b, now, light signal will enter this lens mount 14 and this main body 12 by this second input lens 142b, and via after the reflection of this reflecting surface 16, leave this main body 12 convert electric signal to the light receiver of this light signal reception assembly 28 by this first output lens 121b.
By this, can be learnt, the characteristic of this optically coupled device not only micro volume transmitted in both directions also have fast to the effect of optical alignment and the high characteristic of optical alignment accuracy by above-mentioned explanation simultaneously.In addition, through the condition design of these lens of above-mentioned second lens section 142, this optical coupling assembly 10 more can be made to have the scope of application of larger light signal generation component 26, and then make it have the advantage that time is low, optical alignment accuracy is high to expending needed for the optical alignment time.Moreover, the separable design of this lens mount 14, except the improved efficiency of Optical Fiber Transmission can be used in and collimate except the related application such as light, also can make this optically coupled device can according to the numerical aperture (numberaperture) of selected light transmitting fiber 40, according to arranging environment, system requirements are different from connection object, and can select that there is unlike material, the spherical lens of radius-of-curvature or the lens mount of non-spherical lens, reach the function promoting light conduction effect.
Should be noted that, the foregoing is only the better possible embodiments of the present invention, except making the design of the two kinds of photoelectric conversion components using light signal reception assembly and light signal generation component, also can only use single kind of photoelectric conversion component to reach the object of receipts or luminous signal on demand simultaneously.In addition, the equivalent structure that application instructions of the present invention and claim are done such as changes, and ought to be included in the scope of the claims of the present invention.
Claims (10)
1. an optically coupled device, is characterized in that, includes:
Optically-coupled assembly, has body and lens mount; This body has the first lens section and reflecting surface; This lens mount is located on this body in a detachable fashion, and has the second lens section; It is inner that light signal enters this optical coupling assembly by this first lens section, after this reflective surface, leaves this optical coupling assembly by this second lens section; Or enter this optical coupling assembly by this second lens section, after this reflective surface, leave this optical coupling assembly by this first lens section;
Photoelectric conversion module, is positioned at the side of this optical coupling assembly, and to should the first lens section; This photoelectric conversion module in order to receive electric signal and convert to light news after, this light signal outwards projected or receive light signal, then exporting after converting electric signal to; And
At least one light transmitting fiber, is positioned at the side of this optical coupling assembly, and one end-face is towards this second lens section; This light transmitting fiber in order to the light signal light signal from external transmission being shot to this second lens section or receive from this second lens section, and transfers to outside;
Wherein this body has first time contraposition part, this photoelectric conversion module has the second time contraposition part coordinated with first time contraposition part and two storage tanks corresponding to this first lens section, this second time contraposition part has two projections laid respectively at outside this two storage tank, the central point of this two projection to this two storage tank medium line between spacing equal, and the cell wall of the plane that is connected to form of two projection central axis of this second time contraposition part and these storage tanks is in the same plane.
2. optically coupled device as claimed in claim 1, it is characterized in that, this second lens section includes plural lenses, and these lens meet and have following condition:
0.9≦α≦1.2；
Wherein, α is the center thickness of these eyeglasses and the ratio of edge thickness.
3. optically coupled device as claimed in claim 1, it is characterized in that, this second lens section includes plural lenses, and these lens meet and have following condition:
28°≦γ≦35°；
Wherein, γ is the edge tangent line angle of cut of these lens.
4. optically coupled device as claimed in claim 1, it is characterized in that, this first lens section includes at least one lens, and the minute surface of these lens is aspherical mirror.
5. optically coupled device as claimed in claim 1, it is characterized in that, this second lens section includes at least one lens, and the minute surface of these lens is aspherical mirror.
6. optically coupled device as claimed in claim 1, is characterized in that, contraposition part before this lens mount has first on the face of this body, and contraposition part before then correspondence has second on this body; When this lens mount is connected with this body, this before first contraposition part with this before second contraposition part be combined.
7. optically coupled device as claimed in claim 1, is characterized in that, more comprise coil holder, be connected in a detachable fashion, and these light transmitting fibers are located on this coil holder with this lens mount of this optical coupling assembly.
8. optically coupled device as claimed in claim 7, is characterized in that, contraposition part before this coil holder has the 3rd on the face of this lens mount, contraposition part before then correspondence has the 4th on this lens mount; When this coil holder is connected with this lens mount, before the 3rd, contraposition part contraposition part before the 4th is combined.
9. optically coupled device as claimed in claim 1, it is characterized in that, this photoelectric conversion module includes light signal generation component and light signal reception assembly; This light signal generation component has at least one smooth projection unit, in order to this light signal generation component receive electric signal and convert to light news after, this light signal is outwards projected; This light signal reception assembly has at least one light receiver, in order to receive light signal, then exports after converting electric signal to by this light signal reception assembly; In addition, this optically coupled device includes two light transmitting fibers, and wherein one in order to shoot to this second lens section by the light signal from external transmission, and other one in order to receive the light signal from this second lens section, and transfer to outside.
10. optically coupled device as claimed in claim 9, it is characterized in that, this light signal generation component is wall emission laser; This light signal reception assembly is photodiode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101136972A TWI460484B (en) | 2012-10-05 | 2012-10-05 | Optical coupling device (2) |
| TW101136972 | 2012-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103713366A CN103713366A (en) | 2014-04-09 |
| CN103713366B true CN103713366B (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310233937.9A Active CN103713366B (en) | 2012-10-05 | 2013-06-13 | Optical coupling device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103713366B (en) |
| TW (1) | TWI460484B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2018042984A1 (en) * | 2016-08-31 | 2019-06-24 | 住友電気工業株式会社 | Optical connection structure |
| CN107024746B (en) * | 2017-06-02 | 2019-05-31 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| TWI684039B (en) * | 2017-09-01 | 2020-02-01 | 禾橙科技股份有限公司 | Optical communication module |
| US10859775B1 (en) * | 2019-09-05 | 2020-12-08 | Applied Optoelectronics, Inc. | Optical turning mirror with angled output interface to increase coupling efficiency and a multi-channel optical subassembly using same |
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| JP3767156B2 (en) * | 1998-02-23 | 2006-04-19 | 住友電気工業株式会社 | Optical transceiver module |
| JP2004246279A (en) * | 2003-02-17 | 2004-09-02 | Seiko Epson Corp | Optical module and its manufacturing method, optical communication device, optical and electric mixed integrated circuit, circuit board, electronic equipment |
| TWI273299B (en) * | 2005-02-02 | 2007-02-11 | Univ Nat Taiwan | Optical sub-module device of optical transceiver |
| TW200722805A (en) * | 2005-12-09 | 2007-06-16 | Ind Tech Res Inst | Canted-fiber base duplex optical subassembly |
| US7732829B2 (en) * | 2008-02-05 | 2010-06-08 | Hymite A/S | Optoelectronic device submount |
| US8520989B2 (en) * | 2010-03-19 | 2013-08-27 | Corning Incorporated | Fiber optic interface devices for electronic devices |
| TWI497142B (en) * | 2011-01-26 | 2015-08-21 | Hon Hai Prec Ind Co Ltd | Optical fiber connector |
| TWI504953B (en) * | 2011-12-30 | 2015-10-21 | Hon Hai Prec Ind Co Ltd | Optical fiber connector |
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- 2012-10-05 TW TW101136972A patent/TWI460484B/en not_active IP Right Cessation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779970A (en) * | 2004-11-22 | 2006-05-31 | 安捷伦科技有限公司 | Optical rotation system for optoelectronic module |
| CN1963578A (en) * | 2006-11-14 | 2007-05-16 | 武汉电信器件有限公司 | High efficiency coupling groupware based on oblique plane cylindrical lens optical fibre and preparing method of the same |
| CN101828137A (en) * | 2007-08-30 | 2010-09-08 | 胡贝尔和茹纳股份公司 | Fiber-optic pin-and-socket connector having a beam expansion device |
| CN102023347A (en) * | 2009-09-11 | 2011-04-20 | 株式会社藤仓 | Optical path change member and holding member body |
| CN102621641A (en) * | 2011-01-27 | 2012-08-01 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber connector |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI460484B (en) | 2014-11-11 |
| CN103713366A (en) | 2014-04-09 |
| TW201415108A (en) | 2014-04-16 |
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