CN206946026U - A kind of WDM components of multicore MPO interfaces - Google Patents

Abstract

The utility model discloses a kind of WDM components of multicore MPO interfaces, including：N number of port WDM devices of function and model identical three, the common port of WDM devices is bare fibre, the transmission end of WDM devices is bare fibre, the reflection end of WDM devices is bare fibre, common port, reflection end and the transmission end of N number of WDM devices are spliced into sequence and band, and the common port after simultaneously band and transmission end are mounted directly into the low damage MPO flanges in N cores inclined-plane.The WDM components of multicore MPO interfaces provided by the utility model, it is compact-sized, application value is big in highdensity multiport optical module, reduce 2 flat fused fiber splice sleeve pipes and the 250um optical fiber of 2 group of 12 core (when N is 12), optimize production technology, the index performance of product is improved, the yield rate lifting of product is obvious, and the manufacture craft time substantially reduces.

Description

A kind of WDM components of multicore MPO interfaces

Technical field

The utility model belongs to technical field of photo communication, more particularly, to a kind of WDM components of multicore MPO interfaces.

Background technology

Fiber optic communication is one of mainstay of modern communicationses, and very important effect is played in Modern Telecommunication net, and Optical fiber the success or failure of optic communication business as most basic optical signal transmission carrier, its Determines.The biography of modern communication networks Lose it is fine general buried in underground piping, in order to monitor the status information that these carry important service optical fiber, in operator Computer room, a kind of OTDR (Optical Time Domain Reflect meter, optical time domain reflectometer) equipment can be typically provided, The equipment can produce 1650nm optical wavelength, pass through WDM (Wavelength Division Multiplexing, wavelength-division multiplex Device) optical wavelength of device and transmission services carries out multiplex, and 1650nm optical signal passes through the change of reflected light in Transmission Fibers Parameter, the dynamic state for monitoring Transmission Fibers.Because of the substantial amounts of the optical fiber of line side transmission, if 1 group of 48 core of monitoring is more Core optical cable, then 48 WDM composition WDM assembly arrays are needed, in order to improve the dense degree of component, WDM components are generally according to 12 Core interface is as minimum unit, its manufacture craft (as shown in Figure 1), first by the 0.25mm bare fibres of 12 WDM components and into One row, then MPO (Multi-fiber Push On) wire jumper welding with 12 cores.In the manufacture craft, it is necessary to using 2 40mm jumbo fiber heat-shrinkable T bush carries out the protection after fused fiber splice, and 12 core WDM components and 12 core fibre wire jumpers are molten , it is necessary to retain the slack of up to 48*2=96 cores when connecing, and the very large flat type optical fiber thermal shrinkable sleeve of 8 groups of volumes retained Pipe, it is unfavorable for the highly dense integrated of module.In summary, existing 12 core WDM components need to introduce the welding pair of 2 12 core fibres Connect, and welding procedure ties up the structure space of high-density optical module, increases production technology difficulty.

Utility model content

For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of WDM of multicore MPO interfaces Component, the component can reduce by 2 weldings, reduce the optical fiber of heat-shrinkable T bush and MPO wire jumpers, and the optics for integrally improving product is inserted Index is damaged, reduces the disk fibre difficulty of product, improves the yield rate of product.

To achieve these goals, the utility model provides a kind of WDM components of multicore MPO interfaces, including：N number of three Port WDM devices, the common port of WDM devices is bare fibre, and the transmission end of WDM devices is bare fibre, and the reflection end of WDM devices is Bare fibre, common port, reflection end and the transmission end of N number of WDM devices are spliced into simultaneously band in sequence, will be simultaneously public with after End is mounted directly the low damage MPO flanges in N cores inclined-plane with transmission end.

In one embodiment of the present utility model, the N is 12.

In one embodiment of the present utility model, the work wave spectrum of the WDM devices reflection end is 1645~1660nm.

In one embodiment of the present utility model, the work wave spectrum of the WDM devices transmission end is 1260~1625nm.

In one embodiment of the present utility model, the work wave spectrum of the WDM devices common port is 1260~1660nm.

In one embodiment of the present utility model, a diameter of 250um of the bare fibre.

In one embodiment of the present utility model, the N is 8.

In one embodiment of the present utility model, the function of N number of three ports WDM devices is identical with model.

In general, by the contemplated above technical scheme of the utility model compared with prior art, have has as follows Beneficial effect：

(1) the WDM components of multicore MPO interfaces provided by the utility model, for single WDM components, by taking 12 cores as an example, It can reduce the fusion process of 2 12 core bare tape optical fiber, 2 solder joints of reduction, the overall Insertion Loss index of optical module can be improved More than 0.5dB；

(2) the WDM components of multicore MPO interfaces provided by the utility model, by taking 12 cores as an example, it is possible to reduce 2 fixations are molten Connect and the heat-shrinkable T bush with optical fiber, reduce 2 group of 12 core MPO wire jumper, the inner space of highly dense optical module can be substantially improved；

(3) the WDM components of multicore MPO interfaces provided by the utility model, due to reducing heat-shrinkable T bush, reduce MPO Wire jumper, disk fibre difficulty can be reduced when production, the production hour of product is saved, lift the yield rate of product.

Brief description of the drawings

Fig. 1 is the structural representation of the WDM components of 12 core MPO interfaces in the prior art；

Fig. 2 is a kind of structural representation of the WDM components of 12 core MPO interfaces in the utility model embodiment；

Fig. 3 is the structural representation of WDM devices in the utility model embodiment.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining The utility model, it is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below As long as the technical characteristic being related to does not form conflict each other, can is mutually combined.

The utility model can realize the WDM components of multicore (any core number, such as 12,8 cores etc.) MPO interfaces, this Illustrated in utility model embodiment by taking 12 cores as an example.

As shown in Figures 2 and 3,12 core WDM (wavelength division multiplexer) component includes 12 three port WDM devices 303 (generally Ground, the function and model identical of each WDM devices, naturally it is also possible to be designed to difference as needed), WDM devices it is public Hold the bare fibre that (Com) 201 is diameter 250um, the transmission ends (Pass) 204 of WDM devices is diameter 250um bare fibre, WDM The reflection end (Reflect) 202 of device is diameter 250um bare fibre.The common port of 12 WDM devices, reflection end and transmission End is spliced into sequence and band, and the common port after simultaneously band and transmission end are mounted directly into the low damage MPO flanges in 12 core inclined-planes.

Specifically, described WDM devices are used to separating and converging 1260~1625nm and the ripple of 1640~1660nm scopes Long business, wherein reflection end of the 1640~1660nm business in WDM devices, 1260~1625nm business is in WDM devices Transmission end.

12 described core WDM components are containing 12 independent WDM devices.

The common port of 12 described core WDM components and the interface of transmission end are 12 core inclined-plane male MPO flanges, and reflection end is 12 core 250um bare fibres are spliced into and band.

12 described core WDM components are mainly used in multiport, in the optical module of highly dense MPO interfaces.

As shown in Fig. 2 the manufacturing process of the WDM components of the 12 core MPO interfaces is：Select 12 model identical WDM Device, the body 303 of WDM devices, corresponding WDM devices are arranged in order according to 1,2,3,4,5,6,7,8,9,10,11,12 sequence number WDM device common port 250um bare fibres are spliced into optical fiber ribbon 302, the volume of corresponding WDM device bodies by the numbering of body successively Number WDM device reflection end 250um bare fibres are spliced into optical fiber ribbon 306 successively, the numberings of corresponding WDM device bodies is by WDM Device transmission end 250um bare fibres are spliced into optical fiber ribbon 304 successively, after the preceding processing for carrying out WDM components, WDM components is public Hold optical fiber ribbon that the low damage MPO flanges 301 in 12 core inclined-planes are installed altogether, it is low that WDM component transmission ends optical fiber ribbon is installed into 12 core inclined-planes Damage MPO flanges 305.

As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not To limit the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change Enter, should be included within the scope of protection of the utility model.

Claims (8)

1. A kind of 1. WDM components of multicore MPO interfaces, it is characterised in that including：N number of three ports WDM devices, WDM devices it is public Hold as bare fibre, the transmission end of WDM devices is bare fibre, and the reflection end of WDM devices is bare fibre, the public affairs of N number of WDM devices End, reflection end and transmission end are spliced into simultaneously band in sequence altogether, and the common port after simultaneously band and transmission end are mounted directly into N cores inclined-plane Low damage MPO flanges.
2. 2. the WDM components of multicore MPO interfaces as claimed in claim 1, it is characterised in that the N is 12.
3. 3. the WDM components of multicore MPO interfaces as claimed in claim 1 or 2, it is characterised in that the WDM devices common port Work wave spectrum is 1260~1660nm.
4. 4. the WDM components of multicore MPO interfaces as claimed in claim 1 or 2, it is characterised in that the WDM devices transmission end Work wave spectrum is 1260~1625nm, and the work wave spectrum of the WDM devices reflection end is 1645~1660nm.
5. 5. the WDM components of multicore MPO interfaces as claimed in claim 1 or 2, it is characterised in that the WDM devices transmission end Work wave spectrum is 1645~1660nm, and the work wave spectrum of the WDM devices reflection end is 1260~1625nm.
6. 6. the WDM components of multicore MPO interfaces as claimed in claim 1 or 2, it is characterised in that the bare fibre it is a diameter of 250um。
7. 7. the WDM components of multicore MPO interfaces as claimed in claim 1, it is characterised in that the N is 8.
8. 8. the WDM components of multicore MPO interfaces as claimed in claim 1 or 2, it is characterised in that N number of three ports WDM devices The function of part is identical with model.