CN208953742U - Suitable for small-sized encapsulated multichannel light high-speed transfer reception device - Google Patents
Suitable for small-sized encapsulated multichannel light high-speed transfer reception device Download PDFInfo
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- CN208953742U CN208953742U CN201821453939.3U CN201821453939U CN208953742U CN 208953742 U CN208953742 U CN 208953742U CN 201821453939 U CN201821453939 U CN 201821453939U CN 208953742 U CN208953742 U CN 208953742U
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Abstract
The utility model relates to optical technical fields, propose one kind and are suitable for small-sized encapsulated multichannel light high-speed transfer reception device, including encapsulating package and optical fiber socket, further include optical fiber, be plugged in optical fiber socket, be used for transmission multichannel wavelength-division multiplex signals；Collimation lens collimates the multichannel wavelength-division multiplex signals exported in optical fiber；Rhombic prism transmits the multichannel wavelength-division multiplex signals after collimation；Multichannel wavelength-division multiplex signals after rhombic prism transmits are demultiplexing as the different multipath light signal of wavelength by channel-splitting filter；Lens group and prism group are fit, and lens group therein is used to converge by the multipath light signal of channel-splitting filter output, prism for changing the multipath light signal after converging transmission direction；And PD array, it is used to receive the multipath light signal exported through prism.The utility model can realize multichannel light while receive, while can effectively reduce the size of optical device, realize the compact-sized of optical device, to be conducive to the assembling of optical module.
Description
Technical field
The utility model relates to optical technical fields, and in particular to one kind is suitable for small-sized encapsulated multichannel light high-speed transfer
Reception device.
Background technique
100Gb/s LAN WDM ROSA passes through lens entrance to shell system, this Lu Guangtong by 1 road optical fiber receiving end light
Crossing channel-splitting filter and being decomposed into 4 road 25Gb/s rate wavelength is respectively 1295nm, 1300nm, 1305nm, 1310nm laser, and four bundles light is logical
Refraction by prism is crossed into lens group, is further incident upon on PD array chip, realizes that four road light receive simultaneously.Current optical path system
It unites all long, causes the size of device to increase, be unfavorable for the small-sized encapsulated of optical device.
Utility model content
To solve problems of the prior art, the utility model proposes one kind to be suitable for small-sized encapsulated multichannel light
High-speed transfer reception device may be implemented multichannel light while receive, while can effectively reduce the size of optical device, realize optical device
It is compact-sized, to be conducive to the assembling of optical module.
To achieve the above object, the technical solution adopted in the utility model are as follows: propose a kind of suitable for small-sized encapsulated
Multichannel light high-speed transfer reception device, including encapsulating package and optical fiber socket further include
Optical fiber is plugged in the optical fiber socket, is used for transmission multichannel wavelength-division multiplex signals；
Collimation lens collimates the multichannel wavelength-division multiplex signals exported in the optical fiber；
Multichannel wavelength-division multiplex signals after collimated collimated are reflected and are transmitted by rhombic prism；
Multichannel wavelength-division multiplex signals after rhombic prism transmission are demultiplexing as different more of wavelength by channel-splitting filter
Road optical signal；
Lens group and prism group are fit, and lens group therein is used to converge the multipath light signal exported by the channel-splitting filter,
Prism for changing the multipath light signal after converging transmission direction；And
PD array is used to receive the multipath light signal exported through the prism.
The angle of the rhombic prism is 45 degree, and the material of rhombic prism is N-SF11.
The angle of the prism is 45 degree.
The PD array is loaded on the encapsulating package bottom using silver epoxy sticker.
The channel-splitting filter is mounted on channel-splitting filter cushion block, and channel-splitting filter cushion block is loaded on the encapsulating package using 353ND sticker
Bottom.
The channel-splitting filter includes the multi-disc bandpass filter and a parallelepiped rib corresponding to multipath light signal
Mirror, the multi-disc bandpass filter successively mount a side for being fixed on the parallelepiped prism, parallelepiped rib
Interface is provided on mirror at the middle and lower part of the another side opposite with the side, the interface upper-side area is coated with high anti-
Film, interface underside area are coated with anti-reflective film.
The bandpass filter is plated on high refractive index layer and low-index film on the substrate by substrate and successively
Composition.
The high refractive index layer uses Ta2O5Material, the low-index film use SiO2Material.
The parallelepiped prism is made of BK7 optical glass, the parallelepiped prism bases and side
Angle is 88 °.
Reception light at optical fiber is incident in collimation lens by the utility model, by 45d rhombic prism, makes to receive light
Lateral displacement occurs, but does not change its direction of propagation, increases light path, to reach the length dimension for reducing optical device, realizes
Optical device it is compact-sized, be conducive to the assembling of optical module；The light of four road different wave lengths is decomposed by channel-splitting filter again, is then entered
It is mapped in prism and the assembly of lens group, converges light and is incident on PD array vertically downward after so that direction is changed 90 degree
On, the light-receiving to receiving end is realized, the utility model is conducive to increase the energy for receiving light, improves the sensitive of receiving end
Degree, and it is significantly reduced package of optical device size.
Detailed description of the invention
Fig. 1 is the encapsulating structure figure of the utility model；
Fig. 2 is the light path schematic diagram of the utility model；
Fig. 3 is the planar structure schematic diagram of rhombic prism；
Fig. 4 is the schematic perspective view of rhombic prism
Fig. 5 is the structural schematic diagram of lens group and prism group zoarium；
Fig. 6 is the plane structure chart of channel-splitting filter；
Fig. 7 is the three-dimensional structure diagram of channel-splitting filter；
In figure: 1- optical fiber, 2- collimation lens, 3- rhombic prism, 4- channel-splitting filter, 5- channel-splitting filter cushion block, 6- prism, 7- are saturating
Microscope group, 8-PD array, 9- encapsulating package, 10- optical fiber socket.
Specific embodiment
Further illustrate the specific embodiment of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Fig. 2, in the optical path of the utility model, including optical fiber 1, collimation lens 2, rhombic prism 3, channel-splitting filter 4, point
Wave device cushion block 5, lens group and prism group zoarium and PD array 8, wherein optical fiber 1 is plugged in optical fiber socket 10, is used for transmission
Multichannel wavelength-division multiplex signals；Collimation lens 2 is for collimating the multichannel wavelength-division multiplex signals exported in optical fiber 1；Rectangle rib
Mirror 3 is for being reflected the multichannel wavelength-division multiplex signals after collimated collimated and being transmitted；Channel-splitting filter 4 is used for will be through rectangle
It is respectively 1295nm, 1300nm, 1305nm and 1310nm that multichannel wavelength-division multiplex signals after the transmission of prism 3, which are demultiplexing as wavelength,
Four road optical signals；Lens group and prism group zoarium are formed by lens group 7 is be bonded with prism 6, lens group 7 therein for converge by
The multipath light signal that channel-splitting filter 4 exports, prism 6 is for changing the transmission direction through converging tetra- road optical signal of Hou；PD array is used
In the four road optical signals that reception is exported through prism 6.
Fig. 1 gives the encapsulating structure figure of the utility model, and optical fiber socket 10 and plus lens 2 are fixed on encapsulating package 9
Outside, the inside of encapsulating package 9 are disposed with rhombic prism 3, channel-splitting filter 4, lens group and prism group zoarium and PD array
8.Device assemble when, first by channel-splitting filter cushion block 5 with 353ND sticker be loaded on 9 bottom of device encapsulating package, then in advance by prism 6 with
Lens group 7 is combined with 353ND gluing, and PD array 8, in 9 bottom of device encapsulating package, passes through active coupling with silver epoxy sticker
The mode of conjunction come couple channel-splitting filter 3 and with lens group and prism group it is fit, when it reaches optimum sensitivity measured value, use glue
It is fixed.
Wherein, the angle, θ of rhombic prism is 45 degree, and as shown in Figure 3,4, face 3_1 and face 3_2 are fine burnishing surface, face 3_3
It is coated with anti-reflective film with face 3_4, the material of prism is N-SF11.
Fig. 5 is prism and lens group pastes perspective view, and the two uses 353ND glue.6 angle of prism used as shown in the figure
Be 45 degree, when four road light are incident in lens group 7, first converge, after by prism facets, radiation direction changes 90 degree.Lens
Group 7 is made of four lens arrays, is respectively intended to converge and transmit four road optical signals.
Channel-splitting filter as shown in Figure 6,7 is the parallelepiped system that sticked with glue by 3 band pass filters and 1 transparent glass sheet
It forms, wherein the material of filter plate is to plate the film layer of high low-refraction on substrate in succession, and substrate material is WMS15, height refraction
Rate film layer material is Ta2O5, and low-index film material is SiO2, and used plated film mode is ion source sputter.It is used flat
The material of row hexahedron 45 is BK7, and the angle φ of parallelepiped is 88 degree.The incident central wavelength 1295nm light of sheet glass 41,
Due to only penetrating the light of 1295nm, so being not necessarily to plated film, this reduces cost to a certain extent；In the transmission of first filter plate 42
The long 1300nm light of cardiac wave, reflects the light of other wavelength；Second filter plate, 43 centre of homology wavelength 1305nm light, reflects other wavelength
Light；44 centre of homology wavelength 1310nm light of third filter plate, reflects the light of other wavelength；On the right side of parallelepiped on interface
Side region 46 plates highly reflecting films, 47 coating anti reflection film of interface underside area.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (9)
1. being suitable for small-sized encapsulated multichannel light high-speed transfer reception device, including encapsulating package and optical fiber socket, feature exist
In: further include
Optical fiber is plugged in the optical fiber socket, is used for transmission multichannel wavelength-division multiplex signals；
Collimation lens collimates the multichannel wavelength-division multiplex signals exported in the optical fiber；
Multichannel wavelength-division multiplex signals after collimated collimated are reflected and are transmitted by rhombic prism；
Multichannel wavelength-division multiplex signals after rhombic prism transmission are demultiplexing as the different multichannel light of wavelength by channel-splitting filter
Signal；
Lens group and prism group are fit, and lens group therein is for converging the multipath light signal exported by the channel-splitting filter, prism
For changing the transmission direction of the multipath light signal after converging；And
PD array is used to receive the multipath light signal exported through the prism.
2. according to claim 1 be suitable for small-sized encapsulated multichannel light high-speed transfer reception device, it is characterised in that: institute
The angle for stating rhombic prism is 45 degree, and the material of rhombic prism is N-SF11.
3. according to claim 1 be suitable for small-sized encapsulated multichannel light high-speed transfer reception device, it is characterised in that: institute
The angle for stating prism is 45 degree.
4. according to claim 1 be suitable for small-sized encapsulated multichannel light high-speed transfer reception device, it is characterised in that: institute
PD array is stated using silver epoxy sticker loaded on the encapsulating package bottom.
5. according to claim 1 be suitable for small-sized encapsulated multichannel light high-speed transfer reception device, it is characterised in that: institute
It states channel-splitting filter to be mounted on channel-splitting filter cushion block, channel-splitting filter cushion block is loaded on the encapsulating package bottom using 353ND sticker.
6. according to claim 1 be suitable for small-sized encapsulated multichannel light high-speed transfer reception device, it is characterised in that: institute
Stating channel-splitting filter includes the multi-disc bandpass filter and a parallelepiped prism corresponding to multipath light signal, the multi-disc
Bandpass filter successively mounts a side for being fixed on the parallelepiped prism, on parallelepiped prism with the side
Interface is provided at the middle and lower part of opposite another side, the interface upper-side area is coated with high-reflecting film, interface downside
Region is coated with anti-reflective film.
7. according to claim 6 be suitable for small-sized encapsulated multichannel light high-speed transfer reception device, it is characterised in that: institute
It states high refractive index layer that bandpass filter is plated on the substrate by substrate and successively and low-index film forms.
8. according to claim 7 be suitable for small-sized encapsulated multichannel light high-speed transfer reception device, it is characterised in that: institute
High refractive index layer is stated using Ta2O5Material, the low-index film use SiO2Material.
9. according to claim 6 be suitable for small-sized encapsulated multichannel light high-speed transfer reception device, it is characterised in that: institute
It states parallelepiped prism to be made of BK7 optical glass, the angle of the parallelepiped prism bases and side is 88 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453939.3U CN208953742U (en) | 2018-09-06 | 2018-09-06 | Suitable for small-sized encapsulated multichannel light high-speed transfer reception device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453939.3U CN208953742U (en) | 2018-09-06 | 2018-09-06 | Suitable for small-sized encapsulated multichannel light high-speed transfer reception device |
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| CN208953742U true CN208953742U (en) | 2019-06-07 |
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| CN201821453939.3U Active CN208953742U (en) | 2018-09-06 | 2018-09-06 | Suitable for small-sized encapsulated multichannel light high-speed transfer reception device |
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| CN110646900A (en) * | 2019-09-24 | 2020-01-03 | 武汉光迅科技股份有限公司 | Optical module |
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| CN110488433A (en) * | 2019-08-16 | 2019-11-22 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN110618504A (en) * | 2019-09-24 | 2019-12-27 | 武汉光迅科技股份有限公司 | Optical module |
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| CN111404609A (en) * | 2020-03-31 | 2020-07-10 | 武汉光迅科技股份有限公司 | Multi-channel light receiving module |
| CN111404609B (en) * | 2020-03-31 | 2021-05-11 | 武汉光迅科技股份有限公司 | Multi-channel light receiving module |
| US11754787B2 (en) | 2020-03-31 | 2023-09-12 | Accelink Technologies Co., Ltd. | Multi-channel light-receiving module |
| CN111367030A (en) * | 2020-04-24 | 2020-07-03 | 苏州伽蓝致远电子科技股份有限公司 | Optical communication composite wave tube shell, passive component and optical module |
| CN111708130A (en) * | 2020-06-12 | 2020-09-25 | 武汉光迅科技股份有限公司 | Light emitting device and light transmitting/receiving module |
| CN112198602A (en) * | 2020-12-07 | 2021-01-08 | 武汉乾希科技有限公司 | Optical receiver and method for adjusting position of chip |
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Legal Events
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 125, high energy street, high tech park, Dalian, Liaoning Province, 116000 Patentee after: Dalian Youxun Technology Co., Ltd Address before: No. 125, high energy street, high tech park, Dalian, Liaoning Province, 116000 Patentee before: DALIAN YOUXUN TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qu Guannan Inventor after: Song Xiaofei Inventor before: Qu Guannan Inventor before: Song Xiaofei Inventor before: Zhang Liang |
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| CB03 | Change of inventor or designer information |