CN202083817U - Parallel light receiving and transmitting component for high-speed transmission - Google Patents
Parallel light receiving and transmitting component for high-speed transmission Download PDFInfo
- Publication number
- CN202083817U CN202083817U CN2011201364399U CN201120136439U CN202083817U CN 202083817 U CN202083817 U CN 202083817U CN 2011201364399 U CN2011201364399 U CN 2011201364399U CN 201120136439 U CN201120136439 U CN 201120136439U CN 202083817 U CN202083817 U CN 202083817U
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Abstract
The utility model relates to a parallel light receiving and transmitting component for high-speed transmission. One end of a circuit board is provided with an electric signal input port, a VCSEL (vertical cavity surface-emitting laser) array and a PD (potential difference) photoelectric detector array are assembled on a substrate and are connected with an electro-conductive gold line in a routing way, the substrate is fixed on a printed circuit board and is connected with the printed circuit board in a routing way, a laser driving chip and a detector TIA (trans-impedance amplifier) chip are assembled on an electrode on the surface of the printed circuit board; and an optics mirror set comprises a reflector and two sets of lens arrays, the first set of lens array and the second set of lens array are respectively disposed at the lower end and the front end of the optics mirror set, the lenses are axially and mutually perpendicular to one another, each lens in the first set of lens array is aligned with the center of effectively regions of the VCSEL laser array and the PD photoelectric detector array one by one, each lens in the second set of lens array is respectively aligned with the first set of lens array one by one, and the reflector is disposed at the intersection point of the optical axes of the two sets of lens arrays by 45 degrees. The component is high in aligning precision, and applied to inserting and withdrawing the parallel light receiving and transmitting module.
Description
Technical field
The utility model relates to a kind of parallel light transmitting-receiving subassembly that is used for high-speed transfer.
Background technology
Along with the develop rapidly of optical communication, aim at coupling with optical channel for laser instrument in the optical fiber communication or detector, a lot of correlative studys have been arranged.Most of product all is based on single laser alignment single optical fiber and realizes that as the SFP optical transceiver, the transmitter module and that is provided with a good location is accepted module, and the single optical fiber that is located in the LC connector shell is all arranged in each module.
Yet along with the quick growth of the mankind to communication bandwidth requirements, the existing communication systems face capacity and energy consumption two is challenged greatly.Owing to need under littler space, lower energy consumption, provide bigger bandwidth, begin increasing about the research and development of parallel optical module.The parallel optical module is a plurality of optical fiber of a plurality of laser alignment in an independent module, for example be fit to the 4 passage short distance transceiver modules that the short distance high bandwidth is calculated and exchange is used, integrated four independently send and receiving cable, and are connected to one 12 passage multimode ribbon fiber.Because the low-power consumption that device is integrated and miniaturization is brought makes generation of parallel optical module and the heat that distributes be less than a plurality of discrete devices greatly, thereby has improved the reliability of device and total system.
Therefore, the parallel optical module is carrying out punctual desired precision is wanted high to sub-element and keeper, and error is little, to guarantee high as far as possible coupling efficiency.Alignment function is very complicated, and is time-consuming, needs a cover complicated and parallel keeper and a precise positioning technology, also needs to open laser power supply to carry out active alignment.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of parallel light transmitting-receiving subassembly that is used for high-speed transfer is provided.
The purpose of this utility model is achieved through the following technical solutions:
The parallel light transmitting-receiving subassembly that is used for high-speed transfer, comprise printed circuit board (PCB) and position optical frames group thereon, characteristics are: an end of described printed circuit board (PCB) is provided with the electric signal input end mouth, VCSEL laser array and PD photodetector array are assembled on the substrate base, and be connected with conduction gold thread routing, substrate is fixed on the printed circuit board (PCB) and routing connects, and laser driving chip and detector TIA chipset are contained on the electrode of printed circuit board surface; Described optical frames group comprises a catoptron and two groups of lens arras, wherein, first group of lens arra and second group of lens arra are placed on optical frames group lower end and front end respectively, and the axis of lens is to vertical mutually, intersection point is positioned on the catoptron, each lens is with the effective coverage centrally aligned of man-to-man mode and VCSEL laser array and PD photodetector array in first group of lens arra, each lens is aimed at respectively with first group of lens arra in man-to-man mode in second group of lens arra, and described catoptron is arranged in the optical axes crosspoint place of two groups of lens arras with 45 ° of pitch angle.
Further, the above-mentioned parallel light transmitting-receiving subassembly that is used for high-speed transfer, described VCSEL laser array and PD photodetector array are assembled on substrate base by conducting resinl in line spread mode side by side.
Further, the above-mentioned parallel light transmitting-receiving subassembly that is used for high-speed transfer, described laser driving chip and detector TIA chip are assembled on the electrode of printed circuit board surface by the bonding mode.
Again further, the above-mentioned parallel light transmitting-receiving subassembly that is used for high-speed transfer, described signal input port is gold-plated plate structure.
Substantive distinguishing features and obvious improvement that technical solutions of the utility model are outstanding are mainly reflected in:
The utility model adopts the SFP packaging technology, the alignment precision height, and operate miss is little, and cost of manufacture is low, is easy to realize, is applicable to pluggable parallel optical transceiver module.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: the assembling synoptic diagram that is used for the parallel light transmitting-receiving subassembly of high-speed transfer;
Fig. 2: the decomposing schematic representation that is used for the parallel light transmitting-receiving subassembly of high-speed transfer;
Fig. 3: the schematic top plan view of substrate;
Fig. 4: the perspective diagram of optical frames group;
Fig. 5 a: the synoptic diagram that the light of being launched by a laser instrument is launched away by the optical frames group;
Fig. 5 b: by light from be coupled to the synoptic diagram of a photodetector by the optical frames group.
The implication of each Reference numeral sees the following form among the figure:
Embodiment
The utility model designs a kind of employing and comprises that the single structure of a plurality of photoconductive tubes or optical fiber is to aim at the device of two or more optical device.Need a plurality of optical coupled operations that reach micron (or sub-micron) level tolerance levels to prepare a kind of optical module that includes input and output electric signal and input and output light signal when being used for the transmitted in both directions optical element.
Use the bi-directional optical data communicator of at least two independent light passages, at least one single-chip optical emitting parts and at least one single-chip optical detection component are installed in parallel in one side by side and are electrically connected on the substrate; Have the optical frames group of at least two light-pathes, wherein at least one path is used for the optically-coupled between light emitting members and optical fiber, and another is used for the optically-coupled between light-receiving member and optical fiber.
The photovoltaic array parts are installed on the substrate by being electrically connected (connecting as gold thread), the deviation range that the gold thread that connects can have certain variable quantity to be obtaining desirable position, also is like this in the electrical connection between substrate and the printed circuit board (PCB), between integrated circuit (IC) chip and the printed circuit board (PCB).
Substrate is used to define any flaky material, and photovalve is mounted thereon.The surf zone of substrate is bigger than the surf zone of photovalve.Photovalve is because its small size need be operated with picking and placeing instrument closely, and substrate then can be operated by enough hands.If caused a photovalve to be installed on the substrate, just can come with this photovalve of hand operation by handle substrate.Simultaneously, substrate has certain conductive and heat-conductive ability, makes to pass through photoelectric device to be electrically connected on it, and be beneficial to the dissipation and the conduction of heat as transmitter, detector etc.
Be used to assemble the method for each element of optical module, one optical frames group is provided, one optical frames group comprises a catoptron and two groups of lens arras, be embedded in the optical frames group, two groups of lens arras are placed on optical frames group lower end and front end respectively, and the axis of lens is to vertical mutually, the optically-coupled of light emission array can be entered fiber array and in optical fiber, transmit, or the optically-coupled of fiber array entered photo detector array, catoptron is placed between two lens arras with 45 ° of pitch angle, is used for the propagation of direct light between two groups of lens arras; One substrate is provided, comprises a light emitter arrays provided thereon and a photodetector array, optical transmitting set and the parallel side by side placement of photo-detector, and aim at an end coupling surface of corresponding lens in first lens arra fully in man-to-man mode; One high frequency printed circuit board is provided, and the one end is formed with a signal input port, and this signal input port adopts gold-plated plate structure; At least two integrated circuit (IC) chip are provided, comprise a driving circuit chip and a trans-impedance amplifier chip, and be assembled on the printed circuit board (PCB) by the high precision bonding with the form of nude film; First array of photovalve is set on the substrate, adjusts the position of second array of photovalve, make the parallel side by side placement of its first array with first photovalve, equidistantly arrange on same straight line at the center, effective coverage of each photovalve simultaneously; Location optical frames group, so that first lens arra is aimed at optoelectronic component array fully in man-to-man mode, the light of outgoing or incident is reflected at the catoptron place and by second lens arra through first lens arra; Substrate is affixed to printed circuit board surface and routing connection.
As Fig. 1, shown in Figure 2, the parallel light transmitting-receiving subassembly that is used for high-speed transfer, comprise printed circuit board (PCB) 01 and position optical frames group 12 thereon, one end of printed circuit board (PCB) 01 is provided with electric signal input end mouth 02, signal input port 02 is gold-plated plate structure, VCSEL laser array 08 and PD photodetector array 09 are assembled on the substrate base 07 by conducting resinl in line spread mode side by side, and be connected with conduction gold thread routing, substrate 07 is fixed on the printed circuit board (PCB) 01 and routing connects, and laser driving chip 03 and detector TIA chip 04 are assembled on the electrode on printed circuit board (PCB) 01 surface by the bonding mode; As shown in Figure 3, optical frames group 12 comprises a catoptron 14 and two groups of lens arras, wherein, first group of lens arra 13 is placed on optical frames group lower end, second group of lens arra 15 is placed on optical frames group front end, and the axis of lens is to vertical mutually, intersection point is positioned on the catoptron 14, each lens is with the effective coverage centrally aligned of man-to-man mode and VCSEL laser array 08 and PD photodetector array 09 in first group of lens arra 13, each lens is aimed at respectively with first group of lens arra in man-to-man mode in second group of lens arra 15, and catoptron 14 is arranged in the optical axes crosspoint place of two groups of lens arras with 45 ° of pitch angle.
Substrate surface is fixed with two photoelectric chips---a transmitting chip, and promptly the VCSEL laser array 08; A receiving chip, promptly the PD photodetector array 09.Yet the combination of the combination of other transmitter and transmitter or detector and detector chip, especially different wave length also can be predicted.Photoelectric chip is limited at on-chip permission position and the angular deflection size and dimension by all sub-components.
As Fig. 4, optical frames group 12 comprises a catoptron 14 and lens arra 13 and lens arra 15, is used to guide the optically-coupled between optoelectronic component array and the optical fiber.This optical frames group can be with level and smooth and continuous being coupled into fiber array and transmitting in optical fiber of the emergent ray of VCSEL laser array 08, or the optically-coupled of fiber array entered photo detector array, the dimensional structure of fiber array is compatible mutually with the attachment unit interface of MTP/MPO standard.This optical frames group bonds together after active or passive the aligning with VCSEL laser array 08 and PD photodetector array 09.
As Fig. 5 a, optically-coupled and light path between photoelectric device and optical frames group.VCSEL laser array 08 be positioned at lens arra 13 under, light that laser instrument sends is reflected at tilted-putted catoptron 14 places through lens corresponding in the lens arra 13, points to lens arra 15 and launches.As Fig. 5 b, be optically coupled in the PD photodetector array 09, PD photodetector array 09 is arranged on the below of lens arra 13.The light of propagating in optical fiber or optical channel enters lens arra 15, and 14 places are reflected at catoptron, and scioptics array 13 is collected by PD photodetector array 09 again.The center of VCSEL laser array 08 or PD photodetector array 09 effective coverage be positioned at fully lens arra 13 1 ends focusing center under, lens arra 15 is also aimed at fully with the coupling center of fiber array, to improve the coupling performance that optically-coupled enters optical fiber or photodetector.
The dimensional structure of fiber array is compatible mutually with the attachment unit interface of MTP/MPO standard, and promptly the optics connector is embedded with optical fiber 12 alignings, side by side, and each optical fiber connector is linearly equidistantly arranged, and spacing is 0.25mm.12 optical channels have only used 8: four of left ends are used for transmission channel, and middle four are not used, and four of right-hand members are used for receiving cable.Fiber array, optical frames group and comprise the aligning assembling process of the substrate of two photoelectric chips: one 1 * 4 VCSEL laser array 08 is connected the mark position that is installed on the substrate 07 with one 1 * 4 PD photodetector array 09 through routing, mark position makes two chips line spread side by side, and 4 passages that the interval of two chips just is not used in the alignment optical joint, i.e. 1mm at interval.Mark position can help mark VCSEL laser array 08 and PD photodetector array 09 with man-to-man mode difference leftmost 4 passages of corresponding fiber array and rightmost 4 passages, and the fixing also routing of substrate 07 glue is connected to printed circuit board (PCB) 01 surface.Adopting a visible system that substrate 07 and optical frames group 12 are aimed at makes the center of each effective coverage of each VCSEL and PD aim at fully with the center of corresponding lens.In one embodiment, because the mark position on the substrate 07 has been determined the relative position and the spacing of two chip chambers, therefore only need aligning fully, can realize lens arra 13 and lens arra 15 Far Lefts and the realization of rightmost lens and corresponding laser instrument and detector.The body of operating optical mirror group 12 is aimed in the time of by fixed printed circuit board 01 and substrate 07, but opposite mode also is feasible in the practical operation.Operation printed circuit board (PCB) 01 when the body of optical frames group 12 is fixed in this case.After this, substrate is connected and fixed by ultra-sonic welded in this position and optical frames group.Require difference according to attachment reliability, also can select the location structure of other types, as thermal weld, epoxy finishes or mechanism's anchor clamps etc. to a certain specific components.
The utility model provides a kind of simple parallel light transmitting-receiving subassembly, adopts the SFP packaging technology, the alignment precision height, and operate miss is little, and is low-cost in the making, easily realizes, is applicable to pluggable parallel optical transceiver module.
What need understand is: the above only is a preferred implementation of the present utility model; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. the parallel light transmitting-receiving subassembly that is used for high-speed transfer, comprise printed circuit board (PCB) (01) and position optical frames group (12) thereon, it is characterized in that: an end of described printed circuit board (PCB) (01) is provided with electric signal input end mouth (02), VCSEL laser array (08) and PD photodetector array (09) are assembled on the substrate base (07), and be connected with conduction gold thread routing, substrate (07) is fixed in printed circuit board (PCB) (01) and goes up also routing connection, and laser driving chip (03) and detector TIA chip (04) are assembled on the electrode on printed circuit board (PCB) (01) surface; Described optical frames group (12) comprises a catoptron (14) and two groups of lens arras, wherein, first group of lens arra and second group of lens arra are placed on optical frames group lower end and front end respectively, and the axis of lens is to vertical mutually, intersection point is positioned on the catoptron (14), each lens is with the effective coverage centrally aligned of man-to-man mode and VCSEL laser array (08) and PD photodetector array (09) in first group of lens arra, each lens is aimed at respectively with first group of lens arra in man-to-man mode in second group of lens arra, and described catoptron (14) is arranged in the optical axes crosspoint place of two groups of lens arras with 45 ° of pitch angle.
2. the parallel light transmitting-receiving subassembly that is used for high-speed transfer according to claim 1 is characterized in that: described VCSEL laser array (08) and PD photodetector array (09) are assembled on substrate base (07) by conducting resinl in line spread mode side by side.
3. the parallel light transmitting-receiving subassembly that is used for high-speed transfer according to claim 1 is characterized in that: described laser driving chip (03) and detector TIA chip (04) are assembled on the electrode on printed circuit board (PCB) (01) surface by the bonding mode.
4. the parallel light transmitting-receiving subassembly that is used for high-speed transfer according to claim 1 is characterized in that: described signal input port (02) is gold-plated plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201364399U CN202083817U (en) | 2011-05-03 | 2011-05-03 | Parallel light receiving and transmitting component for high-speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201364399U CN202083817U (en) | 2011-05-03 | 2011-05-03 | Parallel light receiving and transmitting component for high-speed transmission |
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| Publication Number | Publication Date |
|---|---|
| CN202083817U true CN202083817U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201364399U Expired - Fee Related CN202083817U (en) | 2011-05-03 | 2011-05-03 | Parallel light receiving and transmitting component for high-speed transmission |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162885A (en) * | 2011-05-03 | 2011-08-24 | 苏州旭创科技有限公司 | Parallel optical transceiving component for high-speed transmission |
| CN103293607A (en) * | 2012-03-02 | 2013-09-11 | 新科实业有限公司 | Pluggable optical transceiver |
| CN103323916A (en) * | 2012-03-22 | 2013-09-25 | 鸿富锦精密工业（深圳）有限公司 | High frequency transmission module and optical fiber connector |
| CN104155728A (en) * | 2013-05-14 | 2014-11-19 | 鸿富锦精密工业（深圳）有限公司 | Photoelectric coupling lens module |
| CN104169769A (en) * | 2014-04-18 | 2014-11-26 | 索尔思光电（成都）有限公司 | N*N parallel light transmitting-receiving module |
| TWI557456B (en) * | 2013-08-02 | 2016-11-11 | 富加宜（亞洲）私人有限公司 | Opto-electrical transceiver module and active optical cable |
| CN110114936A (en) * | 2016-10-17 | 2019-08-09 | 三流明公司 | Matching driving equipment for multi beam photovoltaic array |
| CN111090038A (en) * | 2018-10-24 | 2020-05-01 | 三星电子株式会社 | Probe device and test device including the same |
-
2011
- 2011-05-03 CN CN2011201364399U patent/CN202083817U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162885A (en) * | 2011-05-03 | 2011-08-24 | 苏州旭创科技有限公司 | Parallel optical transceiving component for high-speed transmission |
| CN103293607A (en) * | 2012-03-02 | 2013-09-11 | 新科实业有限公司 | Pluggable optical transceiver |
| CN103293607B (en) * | 2012-03-02 | 2016-01-20 | 新科实业有限公司 | Pluggable optical transceiver |
| CN103323916A (en) * | 2012-03-22 | 2013-09-25 | 鸿富锦精密工业（深圳）有限公司 | High frequency transmission module and optical fiber connector |
| CN104155728A (en) * | 2013-05-14 | 2014-11-19 | 鸿富锦精密工业（深圳）有限公司 | Photoelectric coupling lens module |
| CN104155728B (en) * | 2013-05-14 | 2018-05-04 | 爱普迪光通讯科技(深圳)有限公司 | photoelectric coupling lens module |
| TWI557456B (en) * | 2013-08-02 | 2016-11-11 | 富加宜（亞洲）私人有限公司 | Opto-electrical transceiver module and active optical cable |
| US9638876B2 (en) | 2013-08-02 | 2017-05-02 | Fci Americas Technology Llc | Opto-electrical transceiver module and active optical cable |
| CN104169769A (en) * | 2014-04-18 | 2014-11-26 | 索尔思光电（成都）有限公司 | N*N parallel light transmitting-receiving module |
| CN110114936A (en) * | 2016-10-17 | 2019-08-09 | 三流明公司 | Matching driving equipment for multi beam photovoltaic array |
| CN110114936B (en) * | 2016-10-17 | 2022-09-23 | 朗美通经营有限责任公司 | Matching driving apparatus for multibeam photovoltaic array |
| CN111090038A (en) * | 2018-10-24 | 2020-05-01 | 三星电子株式会社 | Probe device and test device including the same |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20150503 |
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| EXPY | Termination of patent right or utility model |