CN105372769A - Assembly of transmitting and receiving AOC (Active Optical Cable) through single wavelength - Google Patents
Assembly of transmitting and receiving AOC (Active Optical Cable) through single wavelength Download PDFInfo
- Publication number
- CN105372769A CN105372769A CN201510861274.4A CN201510861274A CN105372769A CN 105372769 A CN105372769 A CN 105372769A CN 201510861274 A CN201510861274 A CN 201510861274A CN 105372769 A CN105372769 A CN 105372769A
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- China
- Prior art keywords
- lens
- polaroid
- optical fiber
- reflecting surface
- assembly
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4213—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being polarisation selective optical elements
-
- 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
Abstract
The present invention provides an assembly of transmitting and receiving AOC (Active Optical Cable) through single wavelength. The assembly provided by the invention comprises an optical fiber patch cord interface, a Faraday rotator, a polaroid, a first lens, an optical fiber end lens, a fully reflecting surface and a second lens. The Faraday rotator is arranged with respect to the optical fiber patch cord interface, the optical fiber end lens is arranged with respect to the Faraday rotator, and the polaroid is arranged between the Faraday rotator and the optical fiber end lens; the fully reflecting surface arranged in parallel to the inclination angle of the Polaroid so that the optical fiber end lens is located between the polaroid and the fully reflecting surface; and the first lens is arranged below the polaroid in the mode of the light end surface of the first lens with respect to the Polaroid, the second lens is arranged below the fully reflecting surface in the mode of the light end surface of the second lens with respect to the fully reflecting surface, and the first lens and the second lens are arranged at the same horizontal line. According to the invention, the technical problem of transmission of TX and RX light beams with the same wavelength in a single optical fiber is solved, the number of the optical fibers is halved and the layout of the assembly is more compact, therefore the cost of materials may be effectively reduced and good effects of the optical cable laying and usage maintenance of a data center may be realized.
Description
Technical field
The present invention relates to optical communication interconnection technique field, espespecially a kind of Single wavelength transmitting-receiving AOC assembly.
Background technology
In a lot of conventional long-range and metropolitan area communication network, for such as compared with numerous reasons such as large bandwidth capacity, dielectric characteristics, optical fiber instead of the connection based on copper.Because consumer requires more large bandwidth for consumer electronics device as smart phone, computing machine, display, flat computer etc., therefore just considering to use optical fiber to replace routine for these application based on the connection of copper for Signal transmissions.This is because among electronic installation, except most stub cable distance as 1 to 2 meter except any distance in high-speed communication only use cable assembly to be unpractical.But much longer transmission length such as tens of rice is possible when using and having the active optical cable assembly of optical fiber as transmission medium.Active optical cable assembly uses electric connector for providing the compatibility with electric port, but convert the electrical signal to optical signalling (as in connector) (namely, electricity is changed to light, vice versa), the span optical fiber for the electric connector on cable end carries out the optical delivery of signal.In addition, from standard electrical agreement (namely, connection based on copper) to the following transition completely based on the connection of light, the commercialization by active optical cable assembly is become easy, wherein signal from electricity to light and from light to the conversion of electricity former centimetres of cable assembly as occurred in connector, described connector can use existing protocol as HDMI, USB, MiniDisplay port etc.
In data communication applications, the part that active optical cable (AOC) assembly point market demand is very important, in short distance or very-short-reach optical interconnection, applies more extensive.
Intracardiac in the data, a subject matter is the layout of optical fiber cable, too much optical-fibre channel and number of fibers cost be problem demanding prompt solution.No matter the optical assembly of present AOC is single channel assembly or hyperchannel product, and because transmitting and receiving wavelength is identical, the scheme of employing is all the mode of N number of TX passage+N number of RX passage.And the product of single channel transmitting-receiving, such as PON, needs different wave length to carry out TX and RX transmission usually.
Summary of the invention
For solving the problems of the technologies described above, fundamental purpose of the present invention is to provide a kind of Single wavelength to receive and dispatch AOC assembly, its technical matters to be solved, TX and the RX light wave of phase co-wavelength will be made exactly to transmit in same optical-fibre channel, the number of fibers used in AOC assembly is reduced by half, reduce the cost of AOC assembly, heart application in the data of being simultaneously also more convenient for.
For reaching above-mentioned purpose, the technical scheme of the present invention's application is: a kind of Single wavelength transmitting-receiving AOC assembly, comprise optical patchcord interface, Faraday polarization apparatus, polaroid, first lens, optical fiber end lens, fully reflecting surface and the second lens, wherein: optical patchcord interface holds optical patchcord access, the corresponding optical patchcord interface of Faraday polarization apparatus is located between optical patchcord interface and polaroid, polaroid is located between Faraday polarization apparatus and optical fiber end lens with the angle of inclination of 45 degree, the corresponding Faraday polarization apparatus of optical fiber end lens is located between polaroid and fully reflecting surface, the angle of inclination that fully reflecting surface is parallel to polaroid is arranged, first lens are located at below polaroid with the form of the corresponding polaroid of light end face, and second lens be located at below fully reflecting surface with the form of the corresponding fully reflecting surface of light end face, simultaneously first, second lens are in same level line and arrange.
Preferred in the present embodiment, the close Faraday polarization apparatus position of polaroid between Faraday polarization apparatus and optical fiber end lens is arranged.
Preferred in the present embodiment, nearly the lean on polaroid position of optical fiber end lens between polaroid and fully reflecting surface is arranged.
Preferred in the present embodiment, Single wavelength transmitting-receiving AOC assembly forms light path system by optical fiber, and in light path system, AOC assembly is located at optical fiber two ends respectively by optical patchcord.
The present invention compared with prior art, its useful effect is: by changing the light polarization on transmission link, realize single with in optical fiber, TX and the RX light beam of transmission phase co-wavelength, reduce by half to make AOC assembly inner fiber quantity, and make assembly layout compacter, thus while effectively reducing Material Cost, the optical cable laying of the data center that is more convenient for and working service.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the embodiment of the present invention.
Fig. 2 presents RX in Fig. 1 to hold the structural representation of light path.
Fig. 3 presents TX in Fig. 1 to hold the structural representation of light path.
Fig. 4 is the schematic diagram that assembly A is emitted to assembly B reception.
Fig. 5 is the schematic diagram that assembly B is emitted to assembly A reception.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in further detail.Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining technical scheme of the present invention, and not should be understood to limitation of the present invention.
In describing the invention, term " interior ", " outward ", " longitudinal direction ", " transverse direction ", " on ", D score, " top ", the orientation of the instruction such as " end " or position relationship be based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description instead of require that the present invention with specific azimuth configuration and operation, therefore must not should be understood to limitation of the present invention.
Referring to Fig. 1 and combining consults shown in Fig. 2 and Fig. 3, the invention provides a kind of Single wavelength transmitting-receiving AOC assembly, comprise optical patchcord interface 10, Faraday polarization apparatus 20, polaroid 30, first semi-conductor chip (LDchip) holds lens 40, lens 50 held by optical fiber (Fiber), fully reflecting surface 60 and the second semi-conductor chip (LDchip) hold lens 70, wherein: optical patchcord interface 10 holds optical patchcord (not shown) access, the corresponding fine wire jumper interface 10 of Faraday polarization apparatus 20 is arranged, the corresponding Faraday polarization apparatus 20 of optical fiber end lens 50 is arranged, polaroid 30 is provided with the angle of inclination of 45 degree between Faraday polarization apparatus 20 and optical fiber end lens 50, polaroid 30 is arrange near Faraday polarization apparatus 20 position between Faraday polarization apparatus 20 and optical fiber end lens 50, the angle of inclination that fully reflecting surface 60 is parallel to polaroid 30 is arranged, and makes optical fiber end lens 50 be between polaroid 30 and fully reflecting surface 60, and optical fiber end lens 50 are that nearly polaroid 30 position of leaning on is arranged between polaroid 30 and fully reflecting surface 60 simultaneously, first semi-conductor chip (LDchip) holds lens (being called for short " the first lens ") 40 to be located at the below of polaroid 30 with the form of the corresponding polaroid 30 of light end face, and second semi-conductor chip (LDchip) hold lens (be called for short " the second lens ") 70 to be located at the below of fully reflecting surface 60 with the form of the corresponding fully reflecting surface 60 of light end face, first, second lens 40,70 are in same level line and arrange simultaneously.
Incorporated by reference to consulting shown in Fig. 4 and Fig. 5, appropriate design and Faraday polarization apparatus 20 and polaroid 30 precisely being pasted on structural member, can realize light path system.In light path system, assuming that AOC two ends are respectively equipped with assembly (as Fig. 4 assembly A and assembly B), the LD chip outgoing polarization light of assembly A, polarization direction is decided to be
with the wave plate that analyzing direction is orthogonal with going out light polarization direction, TX holds light cannot be through, is all reflected, light transmition direction deviation 90 °; Emergent light is through Faraday polarization apparatus, and polarization direction deflects 45 °, and polarization direction becomes
enter in the optical cable between two assemblies.Light beam is through optical cable transmission to assembly B, and emergent light is through Faraday, and polarization direction deflects again 45 degree, and direction becomes
orthogonal with the polarization direction of LD bright dipping, can through analyzing slide, the RX arriving assembly B holds PD chip.Equally, the TX end of assembly B, through being transferred to the RX end of assembly A, as Fig. 5, completes the technical scheme of whole light path system thus.
Claims (4)
1. a Single wavelength transmitting-receiving AOC assembly, comprise optical patchcord interface, Faraday polarization apparatus, polaroid, first lens, optical fiber end lens, fully reflecting surface and the second lens, it is characterized in that: optical patchcord interface holds optical patchcord access, the corresponding optical patchcord interface of Faraday polarization apparatus is located between optical patchcord interface and polaroid, polaroid is located between Faraday polarization apparatus and optical fiber end lens with the angle of inclination of 45 degree, the corresponding Faraday polarization apparatus of optical fiber end lens is located between polaroid and fully reflecting surface, the angle of inclination that fully reflecting surface is parallel to polaroid is arranged, first lens are located at below polaroid with the form of the corresponding polaroid of light end face, and second lens be located at below fully reflecting surface with the form of the corresponding fully reflecting surface of light end face, simultaneously first, second lens are in same level line and arrange.
2. Single wavelength transmitting-receiving AOC assembly as claimed in claim 1, is characterized in that: the close Faraday polarization apparatus position of polaroid between Faraday polarization apparatus and optical fiber end lens is arranged.
3. Single wavelength transmitting-receiving AOC assembly as claimed in claim 2, is characterized in that: nearly the lean on polaroid position of optical fiber end lens between polaroid and fully reflecting surface is arranged.
4. Single wavelength transmitting-receiving AOC assembly as claimed in claim 3, is characterized in that: Single wavelength transmitting-receiving AOC assembly forms light path system by optical fiber, and in light path system, AOC assembly is located at optical fiber two ends respectively by optical patchcord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510861274.4A CN105372769B (en) | 2015-11-30 | 2015-11-30 | A kind of Single wavelength receives and dispatches AOC components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510861274.4A CN105372769B (en) | 2015-11-30 | 2015-11-30 | A kind of Single wavelength receives and dispatches AOC components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105372769A true CN105372769A (en) | 2016-03-02 |
| CN105372769B CN105372769B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510861274.4A Active CN105372769B (en) | 2015-11-30 | 2015-11-30 | A kind of Single wavelength receives and dispatches AOC components |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2766254Y (en) * | 2005-01-14 | 2006-03-22 | 武汉光迅科技有限责任公司 | Novel single-fiber bidirectional device |
| US20080042050A1 (en) * | 2006-08-14 | 2008-02-21 | Fujitsu Limited Of | Polarization independent optical isolator and optical transmitting/receiving apparatus |
| CN102364364A (en) * | 2011-11-22 | 2012-02-29 | 福州百讯光电有限公司 | Single-wavelength and single-fiber bidirectional light transceiving module assembly |
| CN203930136U (en) * | 2014-06-27 | 2014-11-05 | 厦门市贝莱光电技术有限公司 | A kind of single-fiber bidirectional optical transmitting-receiving subassembly |
| CN104391361A (en) * | 2014-12-01 | 2015-03-04 | 福州腾景光电科技有限公司 | Single-fiber bidirectional receiving and transmitting module component |
| CN104656286A (en) * | 2014-10-27 | 2015-05-27 | 徐州旭海光电科技有限公司 | Miniature identical-wavelength single-core two-way optical transceiver module |
-
2015
- 2015-11-30 CN CN201510861274.4A patent/CN105372769B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2766254Y (en) * | 2005-01-14 | 2006-03-22 | 武汉光迅科技有限责任公司 | Novel single-fiber bidirectional device |
| US20080042050A1 (en) * | 2006-08-14 | 2008-02-21 | Fujitsu Limited Of | Polarization independent optical isolator and optical transmitting/receiving apparatus |
| CN102364364A (en) * | 2011-11-22 | 2012-02-29 | 福州百讯光电有限公司 | Single-wavelength and single-fiber bidirectional light transceiving module assembly |
| CN203930136U (en) * | 2014-06-27 | 2014-11-05 | 厦门市贝莱光电技术有限公司 | A kind of single-fiber bidirectional optical transmitting-receiving subassembly |
| CN104656286A (en) * | 2014-10-27 | 2015-05-27 | 徐州旭海光电科技有限公司 | Miniature identical-wavelength single-core two-way optical transceiver module |
| CN104391361A (en) * | 2014-12-01 | 2015-03-04 | 福州腾景光电科技有限公司 | Single-fiber bidirectional receiving and transmitting module component |
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| CN105372769B (en) | 2017-07-18 |
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