CN202083816U - Optical transceiver module for broadband parallel optics - Google Patents
Optical transceiver module for broadband parallel optics Download PDFInfo
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- CN202083816U CN202083816U CN2011201364384U CN201120136438U CN202083816U CN 202083816 U CN202083816 U CN 202083816U CN 2011201364384 U CN2011201364384 U CN 2011201364384U CN 201120136438 U CN201120136438 U CN 201120136438U CN 202083816 U CN202083816 U CN 202083816U
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Abstract
The utility model relates to an optical transceiver module for broadband parallel optics. The optical transceiver module comprises an MT (Magnetic Tape) type optical connector and a lens seat, wherein the lens seat is in abutment joint with the MT type optical connector, optical fiber arrays are arranged in the MT type optical connector and uniformly arranged in a linear manner, lens arrays are embedded in the lens seat and uniformly arranged in a linear manner, the lens arrays and the optical fiber arrays in the MT type optical connector are coupled with one another in an aligned manner, a VCSEL (Vertical Cavity Surface Emitting Laser) array and a PD (Potential Difference) photoelectric prober array are assembled on a substrate and respectively connected with conducive gold wires and marking wires, the substrate is connected with and fixedly adhered to the side face a PCBA (Printed Circuit Board Assembly) supporting piece through a marking wire, a laser driving chip and a TIA (Totally Integrated Automation) chip of a prober are respectively arranged on an upper surface electrode and a lower surface electrode of the PCBA supporting piece, and the PCBA supporting piece connected with the substrate is in abutment joint with the MT type optical connector connected with the lens seat. The optical transceiver module can be used for increasing the coupling efficiency of a photoelectric device and an optical fiber; the sensitivity, process difficulty and the like of the device can be improved obviously; and parallel optical transceiving requirements can be met.
Description
Technical field
The utility model relates to a kind of light transmitting-receiving subassembly that is used for the broadband parallel optical.
Background technology
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.Because can be in littler space, lower energy consumption takies down that bigger bandwidth is provided, the research and development of parallel optical module is increasing.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.
The patent No. is to have introduced a kind of two substrate parallel optical sub-assembly in 7537394 the United States Patent (USP) " Method for assembling a two substrate parallel optical sub-assembly ", wherein pairing two substrates of laser array and detector array are spaced apart and place form one and have the very groove of SerComm degree along its length, to allow laser array and detector array to aim at optical coupling face in man-to-man mode respectively, aim at this location of realizing multi-optical channel.
Yet, the optical transceiver module that relies on this method realization has following shortcoming: the electrical connection between photovoltaic array parts and corresponding substrate (connecting as gold thread) distribution range is big, length is longer, bad noise is introduced in the emission and the meeting of detection for high-frequency signal, make the signal variation, the device performance deterioration; Use the direct and photoelectric device coupling of optical fiber, sensitivity reduces, and coupling efficiency is poor; Technology difficulty is higher on assembling is aimed at simultaneously, and accuracy requirement is big and implement complicated.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of light transmitting-receiving subassembly that is used for the broadband parallel optical is provided.
The purpose of this utility model is achieved through the following technical solutions:
The light transmitting-receiving subassembly that is used for the broadband parallel optical, comprise MT type optical conenctor and lens mount, lens mount and MT type optical conenctor connect, it is characterized in that: be provided with linearly evenly distributed fiber array in the described MT type optical conenctor, described lens mount is embedded with linearly evenly distributed lens arra, and lens arra is aimed at coupling with the fiber array in the MT type optical conenctor; VCSEL laser array and PD photodetector array are assembled on the substrate, and be connected with conduction gold thread routing respectively, substrate is connected and fixed the side that fits in the PCBA support member by routing, laser driving chip and detector TIA chip are positioned over respectively on PCBA support member upper surface electrode and the lower surface electrode, and the PCBA support member that is connected with substrate connects with the MT type optical conenctor that is connected with lens mount.
Further, the above-mentioned light transmitting-receiving subassembly that is used for the broadband parallel optical, described lens mount is provided with pilot hole, MT type optical conenctor is provided with pilot hole corresponding to it, in pilot hole on the register pin insertion lens mount and the pilot hole on the MT type optical conenctor lens mount and MT type optical conenctor is connected and fixed.
Further, the fiber array in the above-mentioned light transmitting-receiving subassembly that is used for the broadband parallel optical, described MT type optical conenctor has 12 optical fiber side by side, constitutes 12 passages, and wherein four of left ends are transmission channel, and four of right-hand members are receiving cable; The VCSEL laser array is with four passages of man-to-man mode difference alignment light fibre array left end, and the PD photodetector array is with four passages of man-to-man mode difference alignment light fibre array right-hand member.
Further, the above-mentioned light transmitting-receiving subassembly that is used for the broadband parallel optical, the end of described 12 optical fiber are side by side linearly equidistantly arranged, and spacing is 0.25mm.
Again further, the above-mentioned light transmitting-receiving subassembly that is used for the broadband parallel optical, the PCBA support member that is connected with substrate connects by fixture and the MT type optical conenctor that is connected with lens mount.
Substantive distinguishing features and obvious improvement that technical solutions of the utility model are outstanding are mainly reflected in:
The utility model adopts the side coating technique, and it is more reasonable that gold thread distributes, and length is shorter; Use the optical frames group, improve the coupling efficiency of photoelectric device and optical fiber, device all has clear improvement at aspects such as sensitivity, technology difficulty, satisfies parallel optical transmitting-receiving demand.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: the light that is used for the side applying of parallel optical is received and dispatched the overall package synoptic diagram of submodule;
Fig. 2: each assembly of the light transmitting-receiving submodule among Fig. 1 is in unassembled decomposing schematic representation;
Fig. 3: the schematic top plan view of substrate;
Fig. 4: the synoptic diagram of lens mount;
Fig. 5: lens mount and optic splice are in the synoptic diagram of unassembled state;
Fig. 6 a: the synoptic diagram that is coupled to an optical fiber by the light of a laser instrument emission by lens;
Fig. 6 b: by light from be coupled to the synoptic diagram of a photodetector by lens by an optical fiber;
Fig. 7: light transmitting-receiving submodule is in the synoptic diagram of unassembled state.
The implication of each Reference numeral sees the following form among the figure:
Embodiment
As shown in Figure 1 and Figure 2, the light transmitting-receiving subassembly that is used for the broadband parallel optical, comprise MT type optical conenctor 01 and lens mount 04, lens mount 04 connects with MT type optical conenctor 01, be provided with linearly evenly distributed fiber array 02 in the MT type optical conenctor 01, lens mount 04 is embedded with linearly evenly distributed lens arra 05, and lens arra 05 is aimed at coupling with the fiber array 02 in the MT type optical conenctor; Lens mount 04 is provided with pilot hole 16, MT type optical conenctor 01 is provided with pilot hole corresponding to it, in pilot hole 16 on the register pin 03 insertion lens mount 04 and the pilot hole on the MT type optical conenctor 01 lens mount 04 and MT type optical conenctor 01 is connected and fixed.As Fig. 3, VCSEL laser array 07 and PD photodetector array 08 are assembled on the substrate 09, and be connected with conduction gold thread 14 routings with conduction gold thread 13 respectively, substrate 09 is connected and fixed the side that fits in PCBA support member 12 by routing, laser driving chip 10 and detector TIA chip 11 are positioned over respectively on PCBA support member 12 upper surface electrodes 15 and the lower surface electrode, and the PCBA support member 12 that is connected with substrate 09 connects by fixture 06 and the MT type optical conenctor 01 that is connected with lens mount 04.
Wherein, the fiber array 02 in the MT type optical conenctor has 12 optical fiber side by side, and the end of each optical fiber is linearly equidistantly arranged, spacing is 0.25mm, constitutes 12 passages, and wherein four of left ends are transmission channel, four of right-hand members are receiving cable, and middle four are not used; VCSEL laser array 07 is with four passages of man-to-man mode difference alignment light fibre array 02 left end, and PD photodetector array 08 is with four passages of man-to-man mode difference alignment light fibre array 02 right-hand member.
As Fig. 4, shown in Figure 5, lens mount 04 is embedded with a lens arra 05, can be one to one with MT type optical conenctor 01 in fiber array 02 aim at coupling, be used for the optically-coupled between direct light electrical part and the optical fiber.Register pin 03 and pilot hole 16 are used for being connected and fixed between lens mount 04 and the MT type optical conenctor 01.
Fig. 6 a has illustrated the optically-coupled between photoelectric device and light joint.Because substrate 09 is placed on PCBA support member 12 sides, a laser instrument 17 in the VCSEL laser array 07 will be positioned at the place ahead of lens 18 and optical channel 19, and the light that laser instrument 17 sends is coupled into optical fiber through lens 18 corresponding in the lens mount 04 and transmits.Fig. 6 b has illustrated light to be coupled to photodetector 20 the PD photodetector array 08 from optical fiber.Photodetector is set at the place ahead of corresponding optical channel 19 and lens 18.The light of propagating in optical fiber enters lens 18 at the optical coupling face place, is collected by photodetector 20 again.The center of the effective coverage of laser instrument 17 or photodetector 20 is positioned at the dead ahead of the focusing center of lens 18 1 ends fully, the focusing center of lens 18 other ends also aims at fully with fiber optic hub, to improve the coupling performance that optically-coupled enters optical fiber or photodetector 20.
When guide structure has foregoing optic splice, the passage that uses in the optic splice is four of four of Far Lefts and rightmosts, and middle passage is not when using, and optics connector, lens mount and comprise that the aligning assembling process of substrate of two photoelectric chips is as follows:
One 1 * 4 VCSEL laser array 07 is connected the mark position that is installed on the substrate 09 with one 1 * 4 PD photodetector array 08 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 07 and PD photodetector array 08 to aim at MT type optical conenctor 01 leftmost 4 passages and rightmost 4 passages respectively in man-to-man mode.
As shown in Figure 5, the alignment procedures of MT type optical conenctor 01 and lens mount 04 is: lens arra 05 and fiber array 02 are aimed at fully in man-to-man mode, utilized register pin 03 and pilot hole 16 that MT optical conenctor MT type optical conenctor 01 and lens mount 04 are connected and fixed.Because lens arra 05 and fiber array 02 are linearly evenly distributed, therefore only need lens mount 04 Far Left and rightmost lens are aimed at fully and can be realized with corresponding optical fiber.
As shown in Figure 7, will be connected with lens mount 04 MT type optical conenctor 01 and be connected with the aligning of the PCBA support member 12 of substrate 09: adopt a visible system that substrate 09 and lens mount 04 are aimed at and make the center of each effective coverage of each VCSEL laser array and PD photodetector array aim at fully with the center of corresponding lens, also promptly with the centrally aligned of four passages on MT type optical conenctor 01 left side and right side.In one embodiment,, therefore only need lens mount 04 Far Left and rightmost lens are realized aiming at fully with corresponding laser instrument and detector, can realize because the mark position on the substrate 09 has been determined the relative position and the spacing of two chip chambers.
The body of operating optical joint is aimed in the time of by fixing PCBA support member 12 and substrate 09, but opposite mode also is feasible in the practical operation.Operation PCBA support member 12 when the body of optic splice is fixed in this case.After this, substrate is fixedly connected in the optic splice at this position fixture 06.Require difference according to attachment reliability, also can select the location structure of other types a certain specific components, as ultra-sonic welded, thermal weld or epoxy finishes etc.
The utility model adopts the side coating technique, and it is more reasonable that gold thread distributes, and length is shorter; Use the optical frames group, improve the coupling efficiency of photoelectric device and optical fiber, device all has clear improvement at aspects such as sensitivity, technology difficulty, satisfies parallel optical transmitting-receiving demand.
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 (5)
1. the light transmitting-receiving subassembly that is used for the broadband parallel optical, comprise MT type optical conenctor (01) and lens mount (04), lens mount (04) connects with MT type optical conenctor (01), it is characterized in that: be provided with linearly evenly distributed fiber array (02) in the described MT type optical conenctor (01), described lens mount (04) is embedded with linearly evenly distributed lens arra (05), and lens arra (05) is aimed at coupling with the fiber array (02) in the MT type optical conenctor; VCSEL laser array (07) and PD photodetector array (08) are assembled on the substrate (09), and be connected with conduction gold thread routing respectively, substrate (09) is connected and fixed the side that fits in PCBA support member (12) by routing, laser driving chip (10) and detector TIA chip (11) are positioned over respectively on PCBA support member (12) upper surface electrode (15) and the lower surface electrode, and the PCBA support member (12) that is connected with substrate (09) connects with the MT type optical conenctor (01) that is connected with lens mount (04).
2. the light transmitting-receiving subassembly that is used for the broadband parallel optical according to claim 1, it is characterized in that: described lens mount (04) is provided with pilot hole (16), MT type optical conenctor (01) is provided with pilot hole corresponding to it, and lens mount (04) and MT type optical conenctor (01) are connected and fixed.
3. the light transmitting-receiving subassembly that is used for the broadband parallel optical according to claim 1, it is characterized in that: the fiber array (02) in the described MT type optical conenctor has 12 optical fiber side by side, constitute 12 passages, wherein four of left ends are transmission channel, and four of right-hand members are receiving cable; VCSEL laser array (07) is with four passages of man-to-man mode difference alignment light fibre array (02) left end, and PD photodetector array (08) is with four passages of man-to-man mode difference alignment light fibre array (02) right-hand member.
4. the light transmitting-receiving subassembly that is used for the broadband parallel optical according to claim 3 is characterized in that: the end of described 12 optical fiber is side by side linearly equidistantly arranged, and spacing is 0.25mm.
5. the light transmitting-receiving subassembly that is used for the broadband parallel optical according to claim 1 is characterized in that: the described PCBA support member (12) that is connected with substrate (09) connects by fixture (06) and the MT type optical conenctor (01) that is connected with lens mount (04).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201364384U CN202083816U (en) | 2011-05-03 | 2011-05-03 | Optical transceiver module for broadband parallel optics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201364384U CN202083816U (en) | 2011-05-03 | 2011-05-03 | Optical transceiver module for broadband parallel optics |
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| Publication Number | Publication Date |
|---|---|
| CN202083816U true CN202083816U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201364384U Expired - Lifetime CN202083816U (en) | 2011-05-03 | 2011-05-03 | Optical transceiver module for broadband parallel optics |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183829A (en) * | 2011-05-03 | 2011-09-14 | 苏州旭创科技有限公司 | Light receiving and transmitting assembly for broadband parallel optics |
| CN103185921A (en) * | 2011-12-29 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber connector |
| CN103226223A (en) * | 2013-05-13 | 2013-07-31 | 洛合镭信光电科技（上海）有限公司 | Optical engine micro-packaging structure for high-speed parallel light transmitting/receiving module |
| CN103792625A (en) * | 2012-10-30 | 2014-05-14 | 鸿富锦精密工业（深圳）有限公司 | Photoelectric conversion module |
| WO2016155381A1 (en) * | 2015-04-03 | 2016-10-06 | 武汉电信器件有限公司 | Integrated multi-path optical lens array assembly for parallel optical transceiver module |
| CN115276807A (en) * | 2022-07-29 | 2022-11-01 | 中航光电科技股份有限公司 | Cableless optical transmission module |
-
2011
- 2011-05-03 CN CN2011201364384U patent/CN202083816U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183829A (en) * | 2011-05-03 | 2011-09-14 | 苏州旭创科技有限公司 | Light receiving and transmitting assembly for broadband parallel optics |
| CN103185921A (en) * | 2011-12-29 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber connector |
| CN103185921B (en) * | 2011-12-29 | 2016-12-21 | 鸿富锦精密工业（深圳）有限公司 | The joints of optical fibre |
| CN103792625A (en) * | 2012-10-30 | 2014-05-14 | 鸿富锦精密工业（深圳）有限公司 | Photoelectric conversion module |
| CN107817564A (en) * | 2012-10-30 | 2018-03-20 | 深圳迈辽技术转移中心有限公司 | A kind of opto-electronic conversion module |
| CN103792625B (en) * | 2012-10-30 | 2018-04-27 | 深圳市讯锋科技有限公司 | Opto-electronic conversion module |
| CN103226223A (en) * | 2013-05-13 | 2013-07-31 | 洛合镭信光电科技（上海）有限公司 | Optical engine micro-packaging structure for high-speed parallel light transmitting/receiving module |
| WO2016155381A1 (en) * | 2015-04-03 | 2016-10-06 | 武汉电信器件有限公司 | Integrated multi-path optical lens array assembly for parallel optical transceiver module |
| CN115276807A (en) * | 2022-07-29 | 2022-11-01 | 中航光电科技股份有限公司 | Cableless optical transmission module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |
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| CX01 | Expiry of patent term |