CN205562878U - Wavelength devision multiplex optical filtering prism of single fiber quadriversal subassembly - Google Patents
Wavelength devision multiplex optical filtering prism of single fiber quadriversal subassembly Download PDFInfo
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- CN205562878U CN205562878U CN201620373328.2U CN201620373328U CN205562878U CN 205562878 U CN205562878 U CN 205562878U CN 201620373328 U CN201620373328 U CN 201620373328U CN 205562878 U CN205562878 U CN 205562878U
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Abstract
The utility model provides a wavelength devision multiplex optical filtering prism of single fiber quadriversal subassembly, it has composite construction, composite construction is including the first face that is used for passing through four pilot lights for reflection the first signal light and second signal light and pass through the second face of third pilot light and fourth pilot light are used for reflecting the third face of the first signal light and transmission second signal light, are used for passing through the fourth face of the first signal light, and the 5th of being used for reflecting the third pilot light and passing through the fourth pilot light is used for passing through the 6th of the third pilot light, and are used for passing through the 7th of fourth pilot light. The utility model provides an adjacent wavelength's interference and unable detached difficulty for the single fiber quadriversal transceiver module subassembly of intensive wavelength can be realized and effective use, has still realized the optical device subminaturization simultaneously.
Description
Technical field
This utility model relates to single fiber four-way assembly, in particular, the wavelength-division multiplex optical filtering prism of a kind of single fiber four-way assembly.
Background technology
Along with the application of fiber optic network is more and more universal, intelligent acess (FTTH the most all over the world, FiberToTheHome) project is progressively implemented, and the transmission of point-to-point data, the particularly propelling of unification of three nets, and fiber to the home network is upgraded to fiber to the home network (XGPON) of future generation from EPON and GPON, the situation of mixed networking occurs, on market, the demand for single fiber four-way assembly is the most increasing, the single fiber four-way assembly that especially certain two wavelength interval is the narrowest.Such as, flourish along with high bandwidth business, numerous operators select the GPON upgrading to XG-PON1 one after another, to tackle the most urgent bandwidth pressure.Traditional upgrading scheme is external conjunction ripple speed-increasing plan, i.e. uses outside wave multiplexer part, by this outside wave multiplexer part by the optical signal conjunction ripple of GPON and XG-PON1 to same ODN network.But external conjunction ripple speed-increasing plan needs newly-increased multiple equipment, causes upgrading scheme to there is construction cost high, takies machine room space big, optical fiber wiring complexity, the series of problems such as operation maintenance is difficult.In order to solve an above-mentioned difficult problem, it is necessary to integrated for the optical transceiver module of GPON and XG-PON1 in the same module.
The Introduction on Principle of the single fiber four-way optical transceiver module assembly of simplest structure is as follows, first optical signal λ 1(λ 1 refers to the wavelength of the first optical signal simultaneously, following λ 2, λ 3, λ 4 expression herewith rule) and the second optical signal λ 2 entered optical module by optical fiber by common port, in optical module, first optical filter and light path are 45 degree of angles, first optical signal λ 1 is through the first optical filter, and the first optical signal λ 1 is received by the first receiving terminal after there are 90 degree of reflections；Second optical signal λ 2 is received by the second receiving terminal successively after the first filter transmission, the second optical filter reflection.First receiving terminal and the second receiving terminal can be a kind of photo-detector, for opto-electronic conversion, make optical signal be converted into the signal of telecommunication.First transmitting terminal and the second transmitting terminal can use laser diode, the 3rd optical signal λ 3 that first transmitting terminal sends is received by common port successively after the 3rd filter transmission, the second filter transmission and the first filter transmission, and the 4th optical signal λ 4 that the second transmitting terminal sends is received by common port after sequentially passing through the 3rd optical filter reflection, the second filter transmission and the first filter transmission.In above-mentioned existing structure, the angle of incident first filter plate of optical signal, the second optical filter and the 3rd optical filter is approximately 45 degree, on the premise of using this type of bigger incident angle, the transmission of different wave length to be realized and reflection, the wavelength of four optical signals of transmitting-receiving the most necessarily has sufficiently wide interval, otherwise may result in transmission peak wavelength signal or reflection wavelength signal cannot effectively separate.As when the wavelength of the first optical signal λ 1 and the second optical signal λ 2 that common port sends is spaced closely together, adjacent for the two wavelength just cannot effectively be separated by the first optical filter and the second optical filter.Certainly, in this application requires, the optical signal of transmission is changed into collimated light beam, four optical signals effectively can be separated, but such cost is the highest.On the other hand, in said structure, the spacing between common port and the second transmitting terminal is relatively big, is unfavorable for the miniaturization of device.
The Chinese patent of Application No. 201510821338.8, its entitled single fiber four-way assembly and optical filter collocation method thereof, disclose the optical filter collocation method of a kind of single fiber four-way assembly, described single fiber four-way assembly includes multiple optical filter, the signal of described single fiber four-way assembly transmission includes the first optical signal and the second optical signal, as described first optical signal and the wavelength difference≤20nm of described second optical signal, then it is only used for the first optical signal described in transmission and reflects the optical filter employing low-angle optical filter of described second optical signal.And this utility model also discloses a kind of single fiber four-way assembly, by arranging different types of optical filter for the optical signal of different wavelength intervals, solve adjacent wavelength interference and cannot effective separate difficulty, the single fiber four-way transceiver module assembly making Dense Wavelength is achieved and effectively uses, the transmission the most also making optical signal has shorter light path, thus obtain higher coupling efficiency, beneficially device miniaturization, effectively reduce cost.
But, this patent has critical defect: filter plate is provided separately, and packaging technology is complicated, the bad control of angle, and production cost is high, and is difficult to miniaturization.
Utility model content
Technical problem to be solved in the utility model is to provide the wavelength-division multiplex optical filtering prism of a kind of new single fiber four-way assembly.
The technical solution of the utility model is as follows: the wavelength-division multiplex optical filtering prism of a kind of single fiber four-way assembly, it has composite construction；Described composite construction includes first for transmission four flashlight, for reflecting the first flashlight and secondary signal light and transmission the 3rd flashlight and second of the 4th flashlight, for reflecting the 3rd of the first flashlight and transmission secondary signal light, fourth face for transmission the first flashlight, for reflection the 3rd flashlight and transmission the 4th flashlight the 5th, the hexahedro for transmission the 3rd flashlight, and the 7th for transmission the 4th flashlight.
Preferably, the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight increases.
Preferably, the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight reduces.
Preferably, the first face is additionally operable to receive the first flashlight coming from optical fiber and secondary signal light.
Preferably, the 5th face is additionally operable to make the 3rd flashlight and the 4th photosynthetic wave signal.
Preferably, described composite construction is compound Amici prism.
Preferably, described compound Amici prism includes several prisms.
Preferably, described compound Amici prism at least includes several prisms.
Preferably, described compound Amici prism is made up of several prisms.
Preferably, described compound Amici prism is made up of several prisms.
Use such scheme, this utility model is by design composite construction, solve adjacent wavelength interference and cannot separate difficulty, the single fiber four-way transceiver module assembly making Dense Wavelength is achieved and effectively uses, also achieve optical device subminiaturization simultaneously, process simplification, the most significantly reduces cost, solves that the upgrade cost that GPON network brings in the escalation process of XG-PON1 is high, machine room takies greatly, optical fiber wiring is complicated at one stroke and the series of problems such as operation maintenance difficulty.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model one embodiment.
Fig. 2 is the schematic diagram of the another embodiment of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, this utility model is described in detail, the following examples can be applied in combination, and, this utility model may utilize various forms and realizes, it is not limited to this specification each specific embodiment described, it is provided that the purpose of these embodiments is more thoroughly to readily appreciate disclosure of the present utility model all sidedly.Needing further exist for explanation, when a certain structure is fixed on another structure, including this structure being directly or indirectly fixed on this another structure, or this structure being fixed on this another structure by other intermediate structures one or more.When a structure connects another structure, including this structure being directly or indirectly connected to this another structure, or this structure is connected to this another structure by other intermediate structures one or more.Further, described "and/or" include " with " with two kinds of possible embodiments of "or".
An example of the present utility model is, the wavelength-division multiplex optical filtering prism of a kind of single fiber four-way assembly, it has composite construction；The wavelength-division multiplex optical filtering prism of single fiber four-way optical assembly is exactly the core light assembly that GPON and XG-PON1 synthesizes same optical module, extremely important and crucial.Described composite construction includes first for transmission four flashlight, for reflecting the first flashlight and secondary signal light and transmission the 3rd flashlight and second of the 4th flashlight, for reflecting the 3rd of the first flashlight and transmission secondary signal light, fourth face for transmission the first flashlight, for reflection the 3rd flashlight and transmission the 4th flashlight the 5th, the hexahedro for transmission the 3rd flashlight, and the 7th for transmission the 4th flashlight.Such as, described composite construction is some prism arrangement bodies, entirety has at least seven face, wherein, each can be prism certain one side, the most single, it can also be a composite surface, the most a certain prism and the face that fits of another prism, i.e. include two surfaces fit together, a face be integrally formed；Two intimate surface contact fit together of composite surface, generally one transmission plane or reflecting surface.Such as, in first to the 7th, selected from single or composite surface；Preferably, second and the 5th is composite surface；Remaining each is single, i.e. first, the 3rd, fourth face, hexahedro and the 7th be single；Such as, described, including surface, it is the side of prism.Such as, described composite construction is the described compound Amici prism that the prism laminating that four shapes are identical is formed, and it has 6 outer surfaces and 3 inner surfacies, and each inner surface all includes two surfaces fit together.In order to strengthen the light splitting effect to the first flashlight and secondary signal light, it is preferred that described composite construction is provided for transmission the first flashlight and the fourth face of reflection secondary signal light.For the ease of making two flashlights that wavelength is close separate, preferably, for reflecting the 3rd of the first flashlight, it is not more than 12 degree relative to the angle of reflection of the first flashlight, preferably, this angle of reflection is less than 12 degree, such as, as shown in Figure 1, first flashlight λ 1 is not more than 12 degree at the angle of reflection θ of the 3rd S3, so, wavelength interval can be not more than two flashlights of 10nm separately, if reverse operating, this two flashlight can also be merged, it is thus possible to be applied to single fiber four-way assembly, the single fiber four-way transceiver module assembly making Dense Wavelength is achieved and effectively uses.
Preferably, the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight increases；Such as, the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight increases and forms an arithmetic progression, it is preferred that the difference of described arithmetic progression is less than 10 nanometers；Such as this difference is 1nm, 2nm, 3nm, 4nm, 5nm, 6nm, 7nm or 8nm.Or, the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight reduces；Such as, the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight reduces and forms an arithmetic progression, it is preferred that the difference of described arithmetic progression is less than 10 nanometers；Such as this difference is 1nm, 2nm, 3nm, 4nm, 5nm, 6nm, 7nm or 8nm.Such as, the wavelength difference between each flashlight is less than 10 nanometers.Preferably, | the λ 2-λ 1 | the absolute value less than 10nm, i.e. λ 2-λ 1 is less than 10 nanometers.Preferably, the wavelength difference between any two flashlights is less than 10 nanometers, say, that the absolute value of the wavelength difference between any two flashlights is less than 10 nanometers；Such as, the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight increases and forms an arithmetic progression, and the difference of described arithmetic progression is less than 2.5nm；And for example, the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight reduces and is formed an arithmetic progression, and the difference of described arithmetic progression is less than 2.5nm.
Preferably, the first face is additionally operable to receive the first flashlight coming from optical fiber and secondary signal light.Preferably, the 5th face is additionally operable to make the 3rd flashlight and the 4th photosynthetic wave signal.Such as, directly from first transmission after the 3rd flashlight and the 4th flashlight close ripple at the 5th；Preferably, the 3rd flashlight and the 4th flashlight close ripple at the 5th after at least through a median surface, then from first transmission；Such as, as it is shown in figure 1, the 3rd flashlight λ 3 and the 4th flashlight λ 4 after the 5th S5 closes ripple through second S2, then from first S1 transmission, such as, be transmitted into optical fiber 100；And for example, as in figure 2 it is shown, the 3rd flashlight λ 3 and the 4th flashlight λ 4 after the 5th S5 closes ripple through second S2, through a median surface, then from first S1 transmission, such as, be transmitted into optical fiber 100.
Preferably, described composite construction is compound Amici prism.Preferably, described compound Amici prism includes several prisms.Such as, described compound Amici prism at least includes several prisms；And for example, described compound Amici prism is the combination of several prisms and at least one N prism, and wherein N is 4,5 or 6；Or, described compound Amici prism is made up of several prisms.Preferably, described compound Amici prism is made up of several prisms, and and for example, described compound Amici prism is made up of with at least one N prism several prisms, and wherein N is 4,5 or 6.Such as, as it is shown in figure 1, described compound Amici prism is two prisms and the combination of a pentaprism；And for example, as in figure 2 it is shown, the combination that described compound Amici prism is four prisms.And for example, described compound Amici prism is formed by several prisms are bonded to each other.And for example, described compound Amici prism is combined into by the mutual glue of several prisms.
For the ease of manufacturing wavelength-division multiplex optical filtering prism, such as, second of described composite construction arranges reflection the first flashlight and secondary signal light and transmission the 3rd flashlight and the filtering film of the 4th flashlight；The 3rd of described composite construction arranges the filtering film of reflection the first flashlight and transmission secondary signal light；The 5th of described composite construction arranges the filtering film of reflection the 3rd flashlight and transmission the 4th flashlight；Preferably, first of described composite construction arranges transmission the first flashlight to the anti-reflection film of the 4th flashlight；Preferably, the fourth face of described composite construction arranges the anti-reflection film of transmission the first flashlight；Preferably, the hexahedro anti-reflection film that transmission the 3rd flashlight is set of described composite construction；Preferably, the 7th anti-reflection film that transmission the 4th flashlight is set of described composite construction.One example is, first of described composite construction arranges transmission the first flashlight to the anti-reflection film of the 4th flashlight；Second of described composite construction arranges reflection the first flashlight and secondary signal light and transmission the 3rd flashlight and the filtering film of the 4th flashlight；The 3rd of described composite construction arranges the filtering film of reflection the first flashlight and transmission secondary signal light；The fourth face of described composite construction arranges the anti-reflection film of transmission the first flashlight；The 5th of described composite construction arranges the filtering film of reflection the 3rd flashlight and transmission the 4th flashlight；The hexahedro anti-reflection film that transmission the 3rd flashlight is set of described composite construction；7th anti-reflection film that transmission the 4th flashlight is set of described composite construction.Such as, second of described composite construction arranges reflection the first flashlight and secondary signal light and transmission the 3rd flashlight and the high-pass filtering film of the 4th flashlight；Or, second of described composite construction arranges reflection the first flashlight and secondary signal light and transmission the 3rd flashlight and the low-pass filtering film of the 4th flashlight.And for example, the 3rd of described composite construction arranges the high-pass filtering film of reflection the first flashlight and transmission secondary signal light；Or, the 3rd of described composite construction arranges the low-pass filtering film of reflection the first flashlight and transmission secondary signal light.Preferably, the fourth face of described composite construction arranges transmission the first flashlight and the filtering film of reflection secondary signal light；Such as, the fourth face of described composite construction arranges transmission the first flashlight and the high-pass filtering film of reflection secondary signal light；Or, the fourth face of described composite construction arranges transmission the first flashlight and the low-pass filtering film of reflection secondary signal light.And for example, the 5th of described composite construction arranges the high-pass filtering film of reflection the 3rd flashlight and transmission the 4th flashlight；Or, the 5th of described composite construction arranges the low-pass filtering film of reflection the 3rd flashlight and transmission the 4th flashlight.And for example, using viscosity transmission film and viscosity filtering film, once bonding forms described composite surface.
And for example, described compound Amici prism is made up of several prisms, if its plating sets photopolymer layer, such as, second plating of described composite construction sets reflection the first flashlight and secondary signal light and transmission the 3rd flashlight and the filtering film of the 4th flashlight；3rd plating of described composite construction sets the filtering film of reflection the first flashlight and transmission secondary signal light；5th plating of described composite construction sets the filtering film of reflection the 3rd flashlight and transmission the 4th flashlight；Preferably, first plating of described composite construction sets transmission the first flashlight to the anti-reflection film of the 4th flashlight；Preferably, the fourth face plating of described composite construction sets the anti-reflection film of transmission the first flashlight；Preferably, the hexahedro plating of described composite construction sets the anti-reflection film of transmission the 3rd flashlight；Preferably, the 7th plating of described composite construction sets the anti-reflection film of transmission the 4th flashlight.One example is, first plating of described composite construction sets transmission the first flashlight to the anti-reflection film of the 4th flashlight；Second plating of described composite construction sets reflection the first flashlight and secondary signal light and transmission the 3rd flashlight and the filtering film of the 4th flashlight；3rd plating of described composite construction sets the filtering film of reflection the first flashlight and transmission secondary signal light；The fourth face plating of described composite construction sets the anti-reflection film of transmission the first flashlight；5th plating of described composite construction sets the filtering film of reflection the 3rd flashlight and transmission the 4th flashlight；The hexahedro plating of described composite construction sets the anti-reflection film of transmission the 3rd flashlight；7th plating of described composite construction sets the anti-reflection film of transmission the 4th flashlight.Such as, second plating of described composite construction sets reflection the first flashlight and secondary signal light and transmission the 3rd flashlight and the high-pass filtering film of the 4th flashlight；Or, second plating of described composite construction sets reflection the first flashlight and secondary signal light and transmission the 3rd flashlight and the low-pass filtering film of the 4th flashlight.And for example, the 3rd plating of described composite construction sets the high-pass filtering film of reflection the first flashlight and transmission secondary signal light；Or, the 3rd plating of described composite construction sets the low-pass filtering film of reflection the first flashlight and transmission secondary signal light.Preferably, the fourth face plating of described composite construction sets transmission the first flashlight and the filtering film of reflection secondary signal light；Such as, the fourth face plating of described composite construction sets transmission the first flashlight and the high-pass filtering film of reflection secondary signal light；Or, the fourth face plating of described composite construction sets transmission the first flashlight and the low-pass filtering film of reflection secondary signal light.And for example, the 5th plating of described composite construction sets the high-pass filtering film of reflection the 3rd flashlight and transmission the 4th flashlight；Or, the 5th plating of described composite construction sets the low-pass filtering film of reflection the 3rd flashlight and transmission the 4th flashlight.Such as, described compound Amici prism is bonded by multiple prisms, plates different films respectively respectively entering light, light splitting and exiting surface, such as, as it is shown in figure 1, first S1 plates the anti-reflection film of the first flashlight λ the 1 ~ the 4th flashlight λ 4 transmission；Second S2 plates first flashlight λ 1 ~ secondary signal light λ 2 and the high-pass filtering film of reflection the 3rd flashlight λ the 3 ~ the 4th flashlight λ 4 transmission or low-pass filtering film；3rd S3 plates the first flashlight λ 1 and reflects and the high-pass filtering film of secondary signal light λ 2 transmission or low-pass filtering film；Fourth face S4 plates the anti-reflection film of the first flashlight λ 1 transmission, or plating secondary signal light λ 2 reflects and the high-pass filtering film of the first flashlight λ 1 transmission or low-pass filtering film；5th S5 plating the 3rd flashlight λ 3 reflects and the high-pass filtering film of the 4th flashlight λ 4 transmission or low-pass filtering film；The anti-reflection film of hexahedro S6 face plating the 3rd flashlight λ 3 transmission；The anti-reflection film of the 7th S7 face plating the 4th flashlight λ 4 transmission.As it is shown in figure 1, so, be achieved that the light path distribution of single fiber four-way assembly such that it is able to integrated for the optical transceiver module of GPON and XG-PON1 in the same module.Such as, as it is shown in figure 1, signal laser includes that the first flashlight λ 1, secondary signal light λ 2 are from optical fiber 100 outgoing, through the transmission of S1 face, S2 face is reflected, S3 face partial wave, make secondary signal light λ 2 be transmitted into receptor by S3 face partial wave, after the first flashlight λ 1 reflection, enter receptor through S4 face；Laser λ 3(the 3rd flashlight) launch from emitter, through the transmission of S6 face, S5 face is reflected；Laser λ 4(the 4th flashlight) launch from emitter, through the transmission of S7 face, the transmission of S5 face；3rd flashlight λ the 3, the 4th flashlight λ 4 closes ripple through S5 face, then enters optical fiber after the transmission of S2, S1 face；So far, the first flashlight λ 1, secondary signal light λ the 2, the 3rd flashlight λ the 3, the 4th flashlight λ 4 reach light splitting and close the purpose of light.Such as, wherein λ 1>λ 2>λ 3>λ 4 or λ 1<λ 2<λ 3<λ 4.And for example, as shown in Figure 2, from the first flashlight λ 1 and secondary signal light λ 2 of optical fiber 100 outgoing after the transmission of S1 face, the prism at place, S1 face reflects the first flashlight λ 1 through the transmission of S4 face, and secondary signal light λ 2 is after S2 face is reflected, prism at place, S2 face is through the transmission of S3 face, 3rd flashlight λ 3 is through the transmission of S6 face, after the reflection of S5 face, and through the transmission of S7 face, 4th flashlight λ 4 of S5 face transmission closes ripple, then enters optical fiber after the transmission of S2, S1 face.By that analogy.And for example, as in figure 2 it is shown, described second face includes two parting surfaces, a parting surface is for reflection the first flashlight, and another parting surface is used for reflecting secondary signal light；That is, second face includes multiple, or second is formed by multiple, it is overall for reflecting the first flashlight and secondary signal light and transmission the 3rd flashlight and the 4th flashlight, as shown in Figure 2, one parting surface is the prism face that fits with the prism at place, S3 face at place, S1 face, the composite surface of the prism at the prism at place, i.e. S1 face and place, S3 face, for reflecting the first flashlight and transmission the 3rd flashlight and the 4th flashlight, another parting surface is the prism face that fits with the prism at place, S6 face at place, S3 face, the composite surface of the prism at the prism at place, i.e. S3 face and place, S6 face, for reflecting secondary signal light and transmission the 3rd flashlight and the 4th flashlight.So, described composite construction entirety can form four prisms, tactical rule, and application is convenient, it is simple to integrate other element Joint Designing single fiber four-way assemblies, is also beneficial to launch light and receive light.
It should be noted that the light path of this utility model and each embodiment thereof is reversible, λ 1, λ 2, λ 3, λ 4 both can flow to receptor, it is also possible to be to penetrate from emitter, apply very convenient.
For the ease of manufacturing, and avoid plated film or have the light Transflective of diaphragm area to be disturbed by glue, it is preferred that each described composite surface is provided with fitting portion, described plated film position or the position of film layer is set, the different setting with the position of described fitting portion；Wherein, film layer includes anti-reflection film or filtering film.Such as, some fitting portions are set at the end positions of each prism of described compound Amici prism so that each described composite surface is arranged by some fitting portions are chimeric, it is not necessary to glue；Or it is gluing to arrange glue at fitting portion so that each described composite surface is chimeric and gluing setting by some fitting portions, to avoid described plated film position or to arrange the position of film layer and affected by glue.Preferably, each described fitting portion is self symmetrical structure, and i.e. it can be chimeric with another fitting portion symmetry, such as, self symmetrical structure is similar to L-shaped or own font or part concave-convex, and a pair fitting portion can completely be entrenched togather, form regular shape, such as a rectangle.Preferably, described fitting portion part protrudes from the prism at its place and is partially recessed into the prism in its place, and so, two prisms can form a smooth composite surface, delicate structure time bonded to each other, be simple to manufacture, and have the advantages that volume is little.
Such as, described wavelength-division multiplex optical filtering prism, it is applied to single fiber four-way assembly, the signal of described single fiber four-way assembly transmission comprises four flashlights, wherein wavelength difference≤the 10nm of two flashlights, this utility model is well-designed, by accurately controlling prism angle, plated film etc., make θ≤12 °, incidence reflection angle of light, thus two light (λ 1/ λ 2) of wavelength interval≤10nm separately or are merged.Solve adjacent wavelength interference and cannot separate difficulty so that the single fiber four-way transceiver module assembly of Dense Wavelength is achieved and effectively uses, and the most also makes device miniaturization, process simplification, effectively reduces cost.
Further, embodiment of the present utility model also includes, each technical characteristic of the various embodiments described above, it is mutually combined the wavelength-division multiplex optical filtering prism of the single fiber four-way assembly of formation, filter plate Integration Design, solve adjacent wavelength interference and cannot separate difficulty, the single fiber four-way transceiver module assembly making Dense Wavelength is achieved and effectively uses, also achieve optical device subminiaturization simultaneously, process simplification, the most significantly reduce cost, solve the upgrade cost height that GPON network brings in the escalation process of XG-PON1 at one stroke, machine room takies greatly, the series of problems such as optical fiber wiring complexity and operation maintenance difficulty.
It should be noted that above-mentioned each technical characteristic continues to be mutually combined, form various embodiments the most enumerated above, be accordingly to be regarded as the scope that this utility model description is recorded；Further, for those of ordinary skills, can be improved according to the above description or be converted, and all these modifications and variations all should be belonged to the protection domain of this utility model claims.
Claims (10)
1. the wavelength-division multiplex optical filtering prism of a single fiber four-way assembly, it is characterised in that there is composite construction；
Described composite construction includes first for transmission four flashlight, for reflecting the first flashlight and secondary signal light and transmission the 3rd flashlight and second of the 4th flashlight, for reflecting the 3rd of the first flashlight and transmission secondary signal light, fourth face for transmission the first flashlight, for reflection the 3rd flashlight and transmission the 4th flashlight the 5th, the hexahedro for transmission the 3rd flashlight, and the 7th for transmission the 4th flashlight.
Wavelength-division multiplex optical filtering prism the most according to claim 1, it is characterised in that the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight increases.
Wavelength-division multiplex optical filtering prism the most according to claim 1, it is characterised in that the wavelength order of the first flashlight, secondary signal light, the 3rd flashlight and the 4th flashlight reduces.
Wavelength-division multiplex optical filtering prism the most according to claim 1, it is characterised in that the first face is additionally operable to receive the first flashlight coming from optical fiber and secondary signal light.
Wavelength-division multiplex optical filtering prism the most according to claim 1, it is characterised in that the 5th face is additionally operable to make the 3rd flashlight and the 4th photosynthetic wave signal.
Wavelength-division multiplex optical filtering prism the most according to claim 1, it is characterised in that described composite construction is compound Amici prism.
Wavelength-division multiplex optical filtering prism the most according to claim 6, it is characterised in that described compound Amici prism includes several prisms.
Wavelength-division multiplex optical filtering prism the most according to claim 7, it is characterised in that described compound Amici prism at least includes several prisms.
Wavelength-division multiplex optical filtering prism the most according to claim 6, it is characterised in that described compound Amici prism is made up of several prisms.
Wavelength-division multiplex optical filtering prism the most according to claim 9, it is characterised in that described compound Amici prism is made up of several prisms.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824078A (en) * | 2016-04-28 | 2016-08-03 | 深圳市新波光子技术有限公司 | Wavelength division multiplexing filtering prism of single-fiber four-way assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824078A (en) * | 2016-04-28 | 2016-08-03 | 深圳市新波光子技术有限公司 | Wavelength division multiplexing filtering prism of single-fiber four-way assembly |
| CN105824078B (en) * | 2016-04-28 | 2024-06-14 | 东莞市杰普特光电技术有限公司 | Wavelength division multiplexing filter prism of single-fiber four-way component |
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Effective date of registration: 20170214 Address after: Green Lake Industrial Park Town 523000 Guangdong city of Dongguan province Fuji Industrial City twelfth factory Patentee after: Dongguan Jie pute Photoelectric Technology Co., Ltd. Address before: 518000 Guangdong province Shenzhen city Longhua District Longhua Street Qing Xiang Lu Qing Hu Bao Industrial Park Science and Technology Park 9 C block 16 building 16091610 unit Patentee before: SH4ENZHEN NEWWAVE PHOTONICS TECHNOLOGY CO., LTD. |