CN203745694U - Parallel transmission optical assembly with adjustable optical power - Google Patents
Parallel transmission optical assembly with adjustable optical power Download PDFInfo
- Publication number
- CN203745694U CN203745694U CN201420111403.9U CN201420111403U CN203745694U CN 203745694 U CN203745694 U CN 203745694U CN 201420111403 U CN201420111403 U CN 201420111403U CN 203745694 U CN203745694 U CN 203745694U
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- Prior art keywords
- optical
- chipset
- parallel transmission
- lens group
- adjustable
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- 230000003287 optical effect Effects 0.000 title claims abstract description 76
- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 239000000835 fiber Substances 0.000 claims description 18
- 239000013307 optical fiber Substances 0.000 abstract 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 238000011161 development Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to a parallel transmission optical assembly with adjustable optical power. The parallel transmission optical assembly is characterized by comprising a circuit board, a chipset, an optical lens group, a light decay sheet, and a short array optical fiber ribbon. The chipset is disposed on the circuit board. The optical lens group is packaged on the chipset. The light decay sheet is arranged on the front end of the short array optical fiber ribbon. The front end of the short array optical fiber ribbon is coupled to the chipset via the optical lens group. By means of the short array optical fiber ribbon, the parallel transmission optical assembly with adjustable optical power shortens a path where electric signal data is outputted, effectively compensates loss of electric signals, improves output quality of the electric signals, and lengthens the transmission distance of data signals. The use of the light decay sheet guarantees reasonable optical path transformation between optical assemblies, and achieves convenient adjustment of output optical power.
Description
Technical field
The utility model relates to the adjustable parallel transmission optical assembly of a kind of luminous power, is applied to optical communication technique field.
Background technology
At present, the bandwidth speed of development on communication circle, substantially suitable with the Moore's Law in the field of calculating, present development trend at a high speed.Along with the development of server virtualization, cloud computing, and the various new application such as Video Applications is universal, adds the trend that network is integrated, has brought the larger demand of the faster and higher data center network of efficiency of speed.The demand growth of the high-end optical module product of client is rapid.Parallel transmission optical assembly/optical module, by adopting highdensity hyperchannel design to realize the transmission of superelevation speed, Large Volume Data, has more advantage in short-range data communication aspects.This class component/module because of its volume less, power consumption is lower, has some typical feature (such as numerical diagnostic etc.) of SFP+ module simultaneously, is subject to the favor in data center market.Wherein, parallel transmission optical assembly/optical module, by adopting the design of 8 passages (transmission, reception account for respectively 4 passages), can be realized higher accumulation transmission data bandwidth, and therefore the relevant Development Techniques in parallel biography book field is more and more subject to attention in the industry.
At present, realizing 40G QSFP(four-way SFP interface) interconnection between port and 4 10G SFP+ ports also becomes focus; Thus, can realize high density 10G and 40G polymerization Ethernet application, the higher flexibility ratio that connects different level interchangers is provided, shorten time delay, and bring higher connectivity port density by the lower power consumption of every passage.Interconnection between 40G QSFP port and 10G SFP+ port, there are certain requirements the luminous power of parallel transmission optical assembly/optical module, need to meet 10G SR port agreement.SFP+ protocol requirement goes out luminous power be less than or equal to-1dBm; QSFP+ protocol requirement goes out luminous power be less than or equal to+2.4dBm; So, how effectively to realize the control of luminous power? if from software end to Vcsel(vertical cavity surface emitting laser) tube core arranges targetedly, Vcsel will be operated in non-optimum condition, can affect product application performance; If select poor efficiency chip, can not be many-sided compatible, when applying, QSFP optical cable there is unavoidably limitation.
Therefore be necessary to design the adjustable parallel transmission optical assembly of a kind of novel luminous power, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and the adjustable parallel transmission optical assembly of luminous power that a kind of Output optical power can flexible is provided.
The utility model is achieved in that
The utility model provides a kind of luminous power adjustable parallel transmission optical assembly, comprise circuit board, chipset, optical lens group, optical attenuation sheet and array short fiber band, described chipset is located on described circuit board, described optical lens group is packaged on described chipset, described optical attenuation sheet is located at the front end of described array short fiber band, and the front end of described array short fiber band is coupled by described optical lens group and described chipset.
Further, described chipset comprises that Vcsel chip, PD chip, circuit amplify LA chip and Driver chip.
Further, described array short fiber band has 12 passages, and described optical attenuation sheet is only positioned at 6 passages or 8 passages of corresponding Vcsel chip light-emitting face.
Further, described chipset outside is provided with cover sheet.
Further, described circuit board is provided with chipset paster mark.
The utlity model has following beneficial effect:
The use of the short array fibre band in the parallel transmission optical assembly that described luminous power is adjustable, the path of having shortened electrical signal data output, effective compensation the loss of electric signal, promoted the output quality of electric signal, increased the transmission range of data-signal; And the use of optical attenuation sheet both can guarantee the light path reasonable conversion between optical module, can realize again the flexible of Output optical power.The parallel transmission optical assembly that described luminous power is adjustable can be used in the series of products such as QSFP, thereby can realize 40G QSFP+ and 10G SFP+ port interconnection, easy to use and flexible.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The three-dimensional exploded view of the parallel transmission optical assembly that luminous power that Fig. 1 provides for the utility model embodiment is adjustable;
The stereographic map of the parallel transmission optical assembly that luminous power that Fig. 2 provides for the utility model embodiment is adjustable.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 1-Fig. 2, the utility model embodiment provides a kind of luminous power adjustable parallel transmission optical assembly, comprises circuit board 1, chipset 2, optical lens group 3, optical attenuation sheet 5 and array short fiber band 4.Described chipset 2 is located on described circuit board 1, and in this preferred embodiment, described circuit board 1 is provided with chipset paster mark, and described chipset 2 is attached at this mark, thereby the precision that has realized described chipset 2 mounts.Wherein, described chipset 2 comprises that Vcsel chip, PD chip, circuit amplify LA chip and Driver chip.Described chipset 2 outsides are provided with cover sheet (not shown), in order to protect described chipset 2.
As Fig. 1-Fig. 2, described optical lens group 3 is packaged on described chipset 2, and described optical attenuation sheet 5 is located at the front end of described array short fiber band 4, and the front end of described array short fiber band 4 is coupled with described chipset 2 by described optical lens group 3.Therefore, by the Link role of described optical lens group 3, can be so that reach high coupling index between described chipset 2 and described array short fiber band 4.And the use of optical attenuation sheet 5 both can guarantee the light path reasonable conversion between optical module, can realize again the flexible of Output optical power.Described array short fiber band 4 has 12 passages, and described optical attenuation sheet 5 is only positioned at 6 passages or 8 passages of corresponding Vcsel chip light-emitting face, and does not cover 4 passages of PD chip.Wherein, described optical attenuation sheet 5 can be the diaphragm of glass substrate, can be also the diaphragm of polymer substrate; Described optical attenuation sheet 5 thickness, attenuation coefficient and film are that corresponding wave band determines by concrete demand.
As Fig. 1-Fig. 2, during assembling, first described optical attenuation sheet 5 is mounted on to a side of described array short fiber band 4; And described optical attenuation sheet 5 is only positioned at 6 passages or 8 passages of corresponding described Vcsel chip light-emitting face, and do not cover 4 passages of described PD chip; Secondly, described chipset 2 is positioned on circuit board 1, then encapsulates described optical lens group 3, then the corresponding passage corresponding to described optical lens group 3 of the described array short fiber band 4 with described optical attenuation sheet 5 is coupled, and fixes with glue.By the Link role of described optical lens group 3, make to reach between described chipset 2 and described fibre ribbon high coupling index.Shown in overall package complete after, if necessary, can increase again described cover sheet in described chipset 2 peripheries, form the protection to described chipset 2.
The parallel transmission optical assembly that described luminous power is adjustable has following beneficial effect: 1, the use of short array fibre band, shortened the path of electrical signal data output, effective compensation the loss of electric signal, promoted the output quality of electric signal, increased the transmission range of data-signal.
2, the ingenious application of optical attenuation sheet, had both guaranteed the light path reasonable conversion between optical module, had realized again the flexible of Output optical power.
3, the adjustable parallel transmission optical assembly of described luminous power can be used in the series of products such as QSFP, thereby can realize 40G QSFP+ and 10G SFP+ port interconnection, easy to use and flexible.
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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. the parallel transmission optical assembly that luminous power is adjustable, it is characterized in that, comprise circuit board, chipset, optical lens group, optical attenuation sheet and array short fiber band, described chipset is located on described circuit board, described optical lens group is packaged on described chipset, described optical attenuation sheet is located at the front end of described array short fiber band, and the front end of described array short fiber band is coupled by described optical lens group and described chipset.
2. the adjustable parallel transmission optical assembly of luminous power as claimed in claim 1, is characterized in that: described chipset comprises that Vcsel chip, PD chip, circuit amplify LA chip and Driver chip.
3. the adjustable parallel transmission optical assembly of luminous power as claimed in claim 2, is characterized in that: described array short fiber band has 12 passages, and described optical attenuation sheet is only positioned at 6 passages or 8 passages of corresponding Vcsel chip light-emitting face.
4. the adjustable parallel transmission optical assembly of luminous power as claimed in claim 1, is characterized in that: described chipset outside is provided with cover sheet.
5. the adjustable parallel transmission optical assembly of luminous power as claimed in claim 1, is characterized in that: described circuit board is provided with chipset paster mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111403.9U CN203745694U (en) | 2014-03-12 | 2014-03-12 | Parallel transmission optical assembly with adjustable optical power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111403.9U CN203745694U (en) | 2014-03-12 | 2014-03-12 | Parallel transmission optical assembly with adjustable optical power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745694U true CN203745694U (en) | 2014-07-30 |
Family
ID=51345477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420111403.9U Expired - Lifetime CN203745694U (en) | 2014-03-12 | 2014-03-12 | Parallel transmission optical assembly with adjustable optical power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114556744A (en) * | 2019-10-21 | 2022-05-27 | 京瓷株式会社 | Optical fiber power supply system |
-
2014
- 2014-03-12 CN CN201420111403.9U patent/CN203745694U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114556744A (en) * | 2019-10-21 | 2022-05-27 | 京瓷株式会社 | Optical fiber power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |