CN204314508U - The transmitting optics assembly of QSFP+ - Google Patents
The transmitting optics assembly of QSFP+ Download PDFInfo
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- CN204314508U CN204314508U CN201420727344.8U CN201420727344U CN204314508U CN 204314508 U CN204314508 U CN 204314508U CN 201420727344 U CN201420727344 U CN 201420727344U CN 204314508 U CN204314508 U CN 204314508U
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- reflecting surface
- lens
- qsfp
- plastic parts
- array
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Abstract
The utility model relates to the transmitting optics assembly of a kind of QSFP+, comprise VCSEL chip array, transmitting terminal optical module and pcb board, described VCSEL chip array is located in described transmitting terminal optical module, and described transmitting terminal optical module is mounted on described pcb board; Described transmitting terminal optical module comprises a plastic parts, the front side of described plastic parts is provided with reflecting surface array, rear side is provided with lens arra, described reflecting surface array and described lens arra are just to setting, the top of described reflecting surface array is provided with optical convergence's assembly, and the top of described plastic parts is provided with LC interface; Described reflecting surface array has four 45 ° of reflectings surface, and described lens arra has four lens, and four lens are arranged with four 45 ° of reflecting surface one_to_one corresponding respectively.The transmitting optics assembly of described QSFP+ has Stability Analysis of Structures, and technique is simple, workable, can reduce optical fiber usage quantity simultaneously, make light channel structure compacter, is conducive to the beneficial effects such as the optical cable laying of data center and maintenance.
Description
Technical field
The utility model relates to the combination of a kind of light path and physical construction, particularly relates to the transmitting optics assembly of a kind of QSFP+.
Background technology
Along with digitized process, the process of data, storage and transmission obtain development at full speed.The search service of big data quantity and the swift and violent growth of video traffic, greatly driven with supercomputer and the data center market being stored as basis.40G QSFP+ optical module (enhanced edition four-way SFP optical module), as the major product of short distance interconnecting application, has broad application prospects.The purpose of design of this module is by less volume and lower cost, provides higher access density, final raising user access capacity.
And the number of fibers that traditional four-way QSFP+ module uses is more, light channel structure is complicated, causes the volume of optical module comparatively large, and is unfavorable for laying and the maintenance of the optical cable of data center.
Therefore the transmitting optics assembly designing a kind of QSFP+ is necessary, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provide the transmitting optics assembly of a kind of Stability Analysis of Structures, the simple QSFP+ of technique, it can reduce optical fiber usage quantity, makes light channel structure compacter, is conducive to optical cable laying and the maintenance of data center.
The utility model is achieved in that
The utility model provides the transmitting optics assembly of a kind of QSFP+, comprise VCSEL chip array, transmitting terminal optical module and pcb board, described VCSEL chip array is located in described transmitting terminal optical module, and described transmitting terminal optical module is mounted on described pcb board; Described transmitting terminal optical module comprises a plastic parts, the front side of described plastic parts is provided with reflecting surface array, rear side is provided with lens arra, described reflecting surface array and described lens arra are just to setting, the top of described reflecting surface array is provided with optical convergence's assembly, and the top of described plastic parts is provided with LC interface; Wherein, described reflecting surface array has four 45 ° of reflectings surface, and described lens arra has four lens, and four lens are arranged with four 45 ° of reflecting surface one_to_one corresponding respectively.
Further, described optical convergence assembly has exit end lens, and described exit end lens are positioned at the inside of described LC interface.
Further, be provided with a groove structure in described plastic parts, described groove structure is between described exit end lens and described reflecting surface array.
Further, four cylindrical lens arrays are provided with between described exit end lens and described reflecting surface array.
Further, described plastic parts and reflecting surface array and described lens arra one-body molded.
Further, described plastic parts is provided with reinforcement.
The utility model has following beneficial effect:
The top of described reflecting surface array is provided with optical convergence's assembly, and the top of described plastic parts is provided with LC interface.Described reflecting surface array has four 45 ° of reflectings surface, and described lens arra has four lens, and four lens are arranged with four 45 ° of reflecting surface one_to_one corresponding respectively.The optically-coupled of four wavelength, by said structure, can be entered in one-channel optical fiber by the transmitting optics assembly of described QSFP+, also single light with optical fiber can be divided into four passages and receive, effectively achieve the coupling of light path, Stability Analysis of Structures simultaneously, technique is simple, and operability is stronger; Optical fiber usage quantity can also be reduced, make light channel structure compacter, be conducive to optical cable laying and the maintenance of data center.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the transmitting optics assembly of the QSFP+ that Fig. 1 provides for the utility model embodiment;
The front view of the transmitting terminal optical module that Fig. 2 provides for the utility model embodiment;
The rear view of the transmitting terminal optical module that Fig. 3 provides for the utility model embodiment;
The sectional view of the transmitting terminal optical module that Fig. 4 provides for the utility model embodiment;
The structural representation of the first embodiment of optical convergence's assembly that Fig. 5 provides for the utility model embodiment;
The structural representation of the second embodiment of optical convergence's assembly that Fig. 6 provides for the utility model embodiment;
The structural representation of the 3rd embodiment of optical convergence's assembly that Fig. 7 provides for the utility model embodiment;
The structural representation of the cylindrical lens array of optical convergence's assembly that Fig. 8 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As shown in Figure 1 to Figure 4, the utility model embodiment provides the transmitting optics assembly of a kind of QSFP+, comprise VCSEL chip array 101, transmitting terminal optical module 102 and pcb board 103, described VCSEL chip array 101 is located in described transmitting terminal optical module 102, and described transmitting terminal optical module 102 is mounted on described pcb board 103 by high precision patch device.The light beam that the four bundle wavelength that VCSEL chip array 101 is launched by described transmitting terminal optical module 102 are respectively λ 1, λ 2, λ 3, λ 4 converges to optical fiber; Simultaneously for module and Fiber connection provide LC interface.
As shown in Figure 1 to Figure 4, described transmitting terminal optical module 102 comprises a plastic parts 201, the front side of described plastic parts 201 is provided with reflecting surface array 202, rear side is provided with lens arra 203, described reflecting surface array 202 and described lens arra 203 are just to setting, the top of described reflecting surface array 202 is provided with optical convergence's assembly 204, and the top of described plastic parts 201 is provided with LC interface (illustrating, non-label).Wherein, described reflecting surface array 202 has four 45 ° of reflectings surface, and described lens arra 203 has four lens, and four lens are arranged with four 45 ° of reflecting surface one_to_one corresponding respectively.Four 45 ° of reflectings surface press certain angle arrangement, and LD(is referred to laser diode) four beam reflection sending are to described LC interface; The light that LD sends by four lens is adjusted to parallel beam and transmits; Described optical convergence assembly 204 is for assembling four light beams.In order to increase the mechanical strength properties of described plastic parts 201, reinforcement can be provided with on described plastic parts 201.In addition, described plastic parts 201 and reflecting surface array 202 and described lens arra 203 one-body molded, make the one-piece construction of described transmitting terminal optical module 102 comparatively stable, also make processing technology become comparatively simple simultaneously.
The design of described optical convergence assembly 204 comprises following embodiment:
As shown in Figure 5, first embodiment: described optical convergence assembly 204 has exit end lens 401, described exit end lens 401 are positioned at the inside of described LC interface, for four light beams are converged to inside of optical fibre, by suitably deflecting the reflection direction of 45 ° of reflectings surface of VCSEL chip array 101 end, 4 light beams are converged to together, by the spacing of design VCSEL chip array 101 and the distance of LC interface distance VCSEL chip array 101 mounting position, light beam can be made to be focused at together with smaller angle; Again by the convergence of exit end lens 401, higher coupling efficiency can be reached.
As shown in Figure 6, the second embodiment: be provided with a groove structure 206 in described plastic parts 201, described groove structure 206 is between described exit end lens 401 and described reflecting surface array 202.Described groove structure 206 is equivalent to a concave mirror near VCSEL chip array 101 end, four light beams convergence being come by appropriate design face type become four bundle light parallel to each other, and arranging of groove structure 206 position can change four bundle light distance to each other, close to one parallel beam; Incide exit end lens 401 to assemble again, higher coupling efficiency can be obtained, be convenient to the control of technique.
As shown in Figure 7 and Figure 8, the 3rd embodiment: be provided with four cylindrical lens arrays 205 between described exit end lens 401 and described reflecting surface array 202, can regulate the direction of light path, can also make light beam assemble, have good coupling effect.
In sum, the transmitting optics assembly of described QSFP+ passes through said structure, can by λ 1, λ 2, λ 3, the optically-coupled of λ 4 four wavelength is entered in one-channel optical fiber, also single light with optical fiber can be divided into four passages to receive, effectively achieve the coupling of light path, simultaneously Stability Analysis of Structures, technique is simple, and operability is stronger; Optical fiber usage quantity can also be reduced, make light channel structure compacter, be conducive to optical cable laying and the maintenance of data center.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a transmitting optics assembly of QSFP+, is characterized in that, comprises VCSEL chip array, transmitting terminal optical module and pcb board, and described VCSEL chip array is located in described transmitting terminal optical module, and described transmitting terminal optical module is mounted on described pcb board;
Described transmitting terminal optical module comprises a plastic parts, the front side of described plastic parts is provided with reflecting surface array, rear side is provided with lens arra, described reflecting surface array and described lens arra are just to setting, the top of described reflecting surface array is provided with optical convergence's assembly, and the top of described plastic parts is provided with LC interface;
Wherein, described reflecting surface array has four 45 ° of reflectings surface, and described lens arra has four lens, and four lens are arranged with four 45 ° of reflecting surface one_to_one corresponding respectively.
2. the transmitting optics assembly of QSFP+ as claimed in claim 1, it is characterized in that: described optical convergence assembly has exit end lens, described exit end lens are positioned at the inside of described LC interface.
3. the transmitting optics assembly of QSFP+ as claimed in claim 2, it is characterized in that: be provided with a groove structure in described plastic parts, described groove structure is between described exit end lens and described reflecting surface array.
4. the transmitting optics assembly of QSFP+ as claimed in claim 2, is characterized in that: be provided with four cylindrical lens arrays between described exit end lens and described reflecting surface array.
5. the transmitting optics assembly of QSFP+ as claimed in claim 1, is characterized in that: described plastic parts and reflecting surface array and described lens arra one-body molded.
6. the transmitting optics assembly of the QSFP+ as described in claim 1 or 5, is characterized in that: described plastic parts is provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727344.8U CN204314508U (en) | 2014-11-28 | 2014-11-28 | The transmitting optics assembly of QSFP+ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420727344.8U CN204314508U (en) | 2014-11-28 | 2014-11-28 | The transmitting optics assembly of QSFP+ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204314508U true CN204314508U (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420727344.8U Active CN204314508U (en) | 2014-11-28 | 2014-11-28 | The transmitting optics assembly of QSFP+ |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204314508U (en) |
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2014
- 2014-11-28 CN CN201420727344.8U patent/CN204314508U/en active Active
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