CN109839700A - Optical transceiving device - Google Patents
Optical transceiving device Download PDFInfo
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- CN109839700A CN109839700A CN201711230876.5A CN201711230876A CN109839700A CN 109839700 A CN109839700 A CN 109839700A CN 201711230876 A CN201711230876 A CN 201711230876A CN 109839700 A CN109839700 A CN 109839700A
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- light beam
- light
- transceiving device
- transmitting
- optical transceiving
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention provides a kind of optical transceiving devices, one or more transmitting-receiving light core is set in optical transceiving device, transmitting light core and the light beam for receiving light core are parallel to the long side of optical transceiving device, pass through inclined-plane tetragonal prism, and/or the devices such as baffle occupy smaller space ensuring to emit light beam and receive in the case where interfering with each other as small as possible of both light beams, maintenance cost is reduced, solves the problems, such as that optical transceiving device space resources utilization rate is low in the related technology.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of optical transceiving device.
Background technique
In the related art, in access network technology with the fast development of Fibre Optical Communication Technology, intelligent acess technology
Popularize, demand of the people to bandwidth be continuously increased so that current access technology be not able to satisfy gradually it is growing
Broadband services demand.Therefore the access technology that can provide more high bandwidth becomes the solution of next-generation broadband access network.
In access technology, optical line terminal (Optical Line Terminal, referred to as OLT) is for connecting fiber optic backbone
Capital equipment, OLT optical module are to realize passive optical-fiber network (Passive Optical Network, referred to as PON) optical fiber
The important component of communication.
With at present volume production 1000 M passive fiber optic network (Gigabit Passive Optical Network, referred to as
For for GPON) and next-generation PON network XGPON optical module, XGPON1OLT technical solution can realize upstream rate
The data of 2.488Gbps (hereinafter referred to as 2.5G), downstream rate 9.95Gbps (hereinafter referred to as 10G) are transmitted.And related skill
GPON technical solution in art is mature and stable, a large amount of business applications.In view of the cost and maintenance of system, the application of XGPON1
It must also be taken into account that the smooth upgrade of system makes ONU (optical-fiber network so XGPON1 application needs to be compatible with traditional GPON technology
Unit, Optical Network Unit) it can be according to specific application environment selection scheme.
OLT optical transceiver module coexists in the existing GPON and XGPON1 that merged in the market, and Fig. 1 is according to single in the related technology
The fine hair of four-way two two receives light channel structure figure, as shown in Figure 1, λ 1, which emits TO, launches 1 wavelength channels of λ, is transmitted by diaphragm 1
It goes, then after the transmission of diaphragm 3 and 4, is imported into collimation contact pin and transfers out.λ 2 emits TO and launches 2 wavelength light of λ letter
Number, it is combined after the reflection of diaphragm 1 with 1 wavelength channels of λ, after allowing after the transmission of diaphragm 3 and 4, is imported into collimation contact pin
It transfers out.3 optical signal of λ after collimating contact pin, by anti-reflection diaphragm 3 transmit, then by reflection diaphragm 2 entirely turn back after, light
Signal receives TO reception by λ 3 and becomes electric signal.4 optical signal of λ reflects after collimating contact pin by diaphragm 3, then passes through diaphragm 2
After total reflection, optical signal λ 4 is received TO reception and becomes electric signal.It is the basic list of encapsulation that this device, which is with TO and diaphragm optical path,
The optical assembly that there are fine four-way two hairs two to receive.Since filter plate optical path characteristic and the limitation of standard TO-CAN size lead to modular construction
Directional light can only be used to be handled, oversized or too long, entire device is difficult to control within 32mm, and module is due to light device
Part size can not reduce, and can only be made into XFP (10 Gigabit small Form Factor Pluggable) structure of standard
The optical module of encapsulation.And the corresponding veneer of optical module of XFP encapsulation is limited to size, can only be designed to support 8 ports, can not be compatible with
16 mouthfuls of design.Cost maintenance and space resources, which utilize, for operator is unable to reach maximization.
Therefore in small-sized encapsulated, (for example (small size is pluggable, Small Form Factor for development and application
Pluggable, referred to as SFP) SFP+ encapsulation) the OLT optical assembly that GPON and XGPON1 coexist of having merged of optical module becomes real
The adequate condition of existing SFP+ encapsulation optical module.
For the low problem of optical transceiving device space resources utilization rate in the related technology, there is presently no effective solution sides
Case.
Summary of the invention
The embodiment of the invention provides a kind of optical transceiving devices, at least to solve optical transceiving device space money in the related technology
The low problem of source utilization rate.
According to one embodiment of present invention, a kind of optical transceiving device is provided, comprising: shell, contact pin component；The pipe
Multichannel transmitting-receiving light core is provided in shell, wherein it is parallel to receive the reception light beam that light core receives for the transmitting light beam of transmitting light core
In the long side of the optical transceiving device；Inclined-plane tetragonal prism is additionally provided in the shell, wherein the inclined-plane tetragonal prism table
Face is provided with specified diaphragm, and the inclined-plane tetragonal prism merges for the transmitting light beam described in multichannel, forms output light
Beam, and/or, for separating to the light beam for inputting the optical transceiving device, form multipath reception light beam；Among the shell
It is provided with baffle, wherein the shell is divided into two cavitys by the baffle, is placed transmitting light core in two cavitys respectively and is connect
Receive light core, wherein the inclined-plane tetragonal prism is respectively arranged in described two cavitys.
Optionally, the specified diaphragm includes at least one of: the reflection diaphragm of the first light wave, the second light wave it is anti-reflection
Diaphragm.
Optionally, right-angle prism is respectively arranged in the two sides of the tapping of the baffle, wherein chamber where transmitting light core
The right-angle prism that intracorporal right-angle prism is used to transmit the transmitting light beam and the tapping two sides is provided commonly for reflecting defeated
Enter the light beam of the optical transceiving device to the reception light core；Wherein, it is provided between two right-angle prisms described for being isolated
Emit the isolation diaphragm of light beam.
Optionally, the sensitivity for receiving the diffusing reflection light beam that light core receives is lower than preset value, wherein described unrestrained anti-
Irradiating light beam is the diffusing reflection light beam that the transmitting light beam is formed in the optical transceiving device.
According to another embodiment of the invention, a kind of optical transceiving device is additionally provided, comprising: shell, contact pin component；Institute
It states and is provided with multichannel transmitting-receiving light core in shell, wherein it is equal to receive the reception light beam that light core receives for the transmitting light beam of transmitting light core
It is parallel to the long side of the optical transceiving device；Inclined-plane tetragonal prism is additionally provided in the shell, wherein inclined-plane quadrangle rib
Mirror surface is provided with specified diaphragm, and the inclined-plane tetragonal prism merges for the transmitting light beam described in multichannel, forms output
Light beam, and/or, for separating to the light beam for inputting the optical transceiving device, form multipath reception light beam；In the shell
In be provided with an inclined-plane tetragonal prism in the case where, input the light beam of the optical transceiving device by the inclined-plane tetragonal prism
Multipath reception light beam is formed, the multipath reception light beam is reflected by right-angle prism, transmitting to reception light core.
Optionally, the specified diaphragm includes at least one of: the reflection diaphragm of third light wave, the 4th light wave it is anti-reflection
Diaphragm.
Optionally, the incidence surface of the right-angle prism is provided with isolation diaphragm.
Optionally, the specified side of the right-angle prism carries out sandblasting and/or coating film treatment, wherein the specified side
For except for the surface in addition to the incidence surface and exit surface for receiving light beam.
Optionally, the sensitivity for receiving the diffusing reflection light beam that light core receives is lower than preset value, wherein described unrestrained anti-
Irradiating light beam is the diffusing reflection light beam that the transmitting light beam is formed in the optical transceiving device.
According to another embodiment of the invention, a kind of optical transceiving device is additionally provided, comprising: shell, contact pin component；Institute
It states and is provided with transmitting-receiving light core all the way in shell, wherein it is equal to receive the reception light beam that light core receives for the transmitting light beam of transmitting light core
It is parallel to the long side of the optical transceiving device；Baffle is provided among the shell, wherein the shell is divided by the baffle
Two cavitys place transmitting light core in two cavitys respectively and receive light core.
Optionally, right-angle prism is respectively arranged in the two sides of the tapping of the baffle, wherein chamber where transmitting light core
The right-angle prism that intracorporal right-angle prism is used to transmit the transmitting light beam and the tapping two sides is provided commonly for reflecting defeated
Enter the light beam of the optical transceiving device to the reception light core；Wherein, it is provided between two right-angle prisms described for being isolated
Emit light beam isolation diaphragm.
Optionally, the sensitivity for receiving the diffusing reflection light beam that light core receives is lower than preset value, wherein described unrestrained anti-
Irradiating light beam is the diffusing reflection light beam that the transmitting light beam is formed in the optical transceiving device.
Through the invention, one or more transmitting-receiving light core, transmitting light core and reception light core are set in optical transceiving device
Light beam is parallel to the long side of optical transceiving device, by devices such as inclined-plane tetragonal prism and/or baffles, is ensuring to emit light beam
With receive both light beams interfere with each other it is as small as possible in the case where, occupy smaller space, reduce maintenance cost, solve
The low problem of optical transceiving device space resources utilization rate in the related technology.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is to receive light channel structure figure according to the hair of single fiber four-way two in the related technology two；
Fig. 2 is according to specific embodiment 1 one receipts optical assembly embodiment schematic diagram of a hair；
Fig. 3 is according to specific embodiment 1 one receipts optical assembly embodiment cross-sectional view of a hair；
Fig. 4 is that according to specific embodiment 2 two hairs two receive the schematic diagram of optical assembly embodiment；
Fig. 5 is that according to specific embodiment 2 two hairs two receive the cross-sectional view of optical assembly embodiment；
Fig. 6 is that according to specific embodiment 3 two hairs two receive the top view of optical assembly specific embodiment；
Fig. 7 is that according to specific embodiment 3 two hairs two receive the perspective representation of optical assembly specific embodiment；
Fig. 8 is that according to specific embodiment 3 two hairs two receive the cross-sectional view of optical assembly specific embodiment；
Fig. 9 is combining prism assemblies structural schematic diagram according to the preferred embodiment of the invention；
Figure 10 is branch prism assemblies structural schematic diagram according to the preferred embodiment of the invention.
Specific embodiment
It should be noted that transmitting-receiving light core includes transmitting light core and receives each one, light core all the way, i.e. multichannel receives and dispatches light core
Including multipair transmitting light core and receive light core.In the related art, the inclined-plane tetragonal prism in the present embodiment can also be known as oblique
Face kaleidoscope prism.It should be noted that clearer can understand the application in conjunction with attached drawing 2 to 8.
Embodiment one
According to one embodiment of present invention, a kind of optical transceiving device is provided, the present embodiment can correspond to specific reality
It applies example 2 to further understand, which includes: shell, contact pin component；Multichannel transmitting-receiving light core is provided in the shell,
Wherein, emit the transmitting light beam of light core, what reception light core received receives light beam each parallel to the long side of the optical transceiving device；
Inclined-plane tetragonal prism is additionally provided in the shell, wherein inclined-plane tetragonal prism surface is provided with specified diaphragm, described oblique
Face tetragonal prism is merged for the transmitting light beam described in multichannel, forms output beam, and/or, for the input light
The light beam of transceiving device is separated, and multipath reception light beam is formed；Baffle is provided among the shell, wherein the baffle
The shell is divided into two cavitys, transmitting light core is placed respectively in two cavitys and receives light core, wherein described two cavitys
In be respectively arranged with the inclined-plane tetragonal prism.
One or more transmitting-receiving light core is set in optical transceiving device, and transmitting light core and the light beam for receiving light core are parallel to
The long side of optical transceiving device is ensuring to emit light beam and is receiving light beam two by devices such as inclined-plane tetragonal prism and/or baffles
Person interfere with each other it is as small as possible in the case where, occupy smaller space, reduce maintenance cost, solve light in the related technology
Transceiving device cost safeguards high and low space resources utilization rate problem optical transceiving device space resources utilization rate in the related technology
Low problem.
Optionally, the specified diaphragm includes at least one of: the reflection diaphragm of the first light wave, the second light wave it is anti-reflection
Diaphragm.The reflection diaphragm of first light wave is the diaphragm that can reflect the first light wave, and the anti-reflection diaphragm of the second light wave is can to increase
The diaphragm of the transmission capacity of second light wave.
Optionally, right-angle prism is respectively arranged in the two sides of the tapping of the baffle, wherein chamber where transmitting light core
The right-angle prism that intracorporal right-angle prism is used to transmit the transmitting light beam and the tapping two sides is provided commonly for reflecting defeated
Enter the light beam of the optical transceiving device to the reception light core；Wherein, it is provided between two right-angle prisms described for being isolated
Emit the isolation diaphragm of light beam.
Optionally, the sensitivity for receiving the diffusing reflection light beam that light core receives is lower than preset value, wherein described unrestrained anti-
Irradiating light beam is the diffusing reflection light beam that the transmitting light beam is formed in the optical transceiving device.
According to another embodiment of the invention, a kind of optical transceiving device is additionally provided, the present embodiment can correspond to have
Body embodiment 3 is further understood, which includes: shell, contact pin component；Multichannel transmitting-receiving light is provided in the shell
Core, wherein the transmitting light beam of transmitting light core, what reception light core received receives light beam each parallel to the length of the optical transceiving device
Side；Inclined-plane tetragonal prism is additionally provided in the shell, wherein inclined-plane tetragonal prism surface is provided with specified diaphragm, institute
Inclined-plane tetragonal prism is stated, is merged for the transmitting light beam described in multichannel, output beam is formed, and/or, for input institute
The light beam for stating optical transceiving device is separated, and multipath reception light beam is formed；Inclined-plane quadrangle rib is provided in the shell
In the case where mirror, the light beam for inputting the optical transceiving device forms multipath reception light beam by the inclined-plane tetragonal prism, described
Multipath reception light beam is reflected by right-angle prism, transmitting to reception light core.
Optionally, the specified diaphragm includes at least one of: the reflection diaphragm of third light wave, the 4th light wave it is anti-reflection
Diaphragm.
Optionally, the incidence surface of the right-angle prism is provided with isolation diaphragm.
Optionally, the specified side of the right-angle prism carries out sandblasting and/or coating film treatment, wherein the specified side
For except for the surface in addition to the incidence surface and exit surface for receiving light beam.
Optionally, the sensitivity for receiving the diffusing reflection light beam that light core receives is lower than preset value, wherein described unrestrained anti-
Irradiating light beam is the diffusing reflection light beam that the transmitting light beam is formed in the optical transceiving device.
According to another embodiment of the invention, a kind of optical transceiving device is additionally provided, the present embodiment can correspond to have
Body embodiment 1 is further understood, which includes: shell, contact pin component；It is provided in the shell and receives and dispatches light all the way
Core, wherein the transmitting light beam of transmitting light core, what reception light core received receives light beam each parallel to the length of the optical transceiving device
Side；Baffle is provided among the shell, wherein the shell is divided into two cavitys by the baffle, is distinguished in two cavitys
It places transmitting light core and receives light core.
Optionally, right-angle prism is respectively arranged in the two sides of the tapping of the baffle, wherein chamber where transmitting light core
The right-angle prism that intracorporal right-angle prism is used to transmit the transmitting light beam and the tapping two sides is provided commonly for reflecting defeated
Enter the light beam of the optical transceiving device to the reception light core；Wherein, it is provided between two right-angle prisms described for being isolated
Emit light beam isolation diaphragm.
Optionally, the sensitivity for receiving the diffusing reflection light beam that light core receives is lower than preset value, wherein described unrestrained anti-
Irradiating light beam is the diffusing reflection light beam that the transmitting light beam is formed in the optical transceiving device.It should be noted that this optional reality
The scheme for applying example is intended to suggest that both reception light core and transmitting light cores in optical transceiving device adjustment good position, guarantees mutual
Interference it is as few as possible.
It is described below with reference to preferred embodiments thereof body.
This preferred embodiment is related to a kind of optical assembly encapsulation technology for supporting to emit and reception coexists, and is a kind of using single fiber
The optical assembly of multichannel transceiver structure can be divided into a kind of single fiber two-way of transmitting-receiving unification for specific embodiment
Technology, a kind of OLT optical module SFP (Small Form- for having merged two-way PON system (such as GPON and XGPON1) and having coexisted
Factor Pluggable, small size are pluggable) the four road transceiver PON modular construction of single fiber of encapsulation, one kind combines
The multidirectional transceiver optical assembly structure of the single fiber of OTDR detection function.
The characteristics of this preferred embodiment:
First, the single fiber multichannel tube core of multichannel transmitting-receiving (two hairs two are received) is integrated into a box, the folding of prism is used
It reflects, wherein the use of prism being less than 20 degree inclined-plane tetragonal prisms, by optical path, laterally reflection is wide in transverse direction increase device
Degree rather than length wise, by device encapsulate minimize, evaded it is original using filter plate TO encapsulation be difficult to shorten device length
Disadvantage can make device reach the encapsulating structure of SFP miniaturization；
Second, shell is divided into two cavitys by shell medium design baffle, is placed with transmitting and receiving light path part respectively, is made
With being isolation transmitting and reception optical chip original part, the interference that optical signal is received in the spuious optical signal docking of transmitting terminal is reduced, noise is improved
Than；
Isolation diaphragm is placed in third, the aperture between two cavitys, and optical signal is received in the completely isolated spuious optical signal docking of transmitting terminal
Interference, effectively improve receiving end sensitivity；
4th, using right-angle prism mode, optical path is transferred completely downwards, and the complete envelope of prism lives to receive optical chip,
Placing isolation diaphragm in the front surface of turning angle prism prevents entering for other light wave models from interfering, and in the other surfaces of prism
Spray painting or frosted processing are done, prevents other optical signals from entering and causing to interfere, improves noise when receiving end signal sensitivity.
Here is the specific embodiment of the preferred embodiment of the present invention
Specific embodiment 1, a hair one receive function optical assembly
The schematic diagram for providing the optical transceiving device of this specific embodiment 1 first is as follows:
Fig. 2 is according to specific embodiment 1 one receipts optical assembly embodiment schematic diagram of a hair；
Fig. 3 is according to specific embodiment 1 one receipts optical assembly embodiment cross-sectional view of a hair；
As shown in Fig. 2 and/or Fig. 3, this embodiment is that single-shot list two optical chips of receipts are respectively put into BOX shell
In, it is isolated using intermediate bulkhead, transmitting terminal and receiving end need to meet condition arranged below, and diffusing for transmitting terminal is received
End optical chip is received with the sensitivity deteriorated.In addition it is divided using a right-angle prism, another right-angle prism carries out
Optical path turnover transformation, is placed filter plate between two right-angle prisms, is isolated to useless wavelength using filter plate, prevents it
He enters wavelength.
Square shell is made of shell 1011, gold-plated aluminum nitride sintered body 112 and 1131 three of cover board.Wherein in shell
Various components are placed in portion, and enclosure interior is designed to that baffle 9011 is divided into two parts and forms two parts cavity, and a part is placed
Transmitting original part, a part, which is placed, receives original part, and effect is two isolated parts cavity, prevents the scattering of transmitting optical signal to reception light
Chip crosstalk；Gold-plated aluminium nitride realizes inside and outside electrical connection, and is sintered together to form side wall with sealing function with shell
Energy；Cover board completes entire shell complete seal function；
In some instances, thermoelectric cooler 1111 be fixed on inside shell 1011 play control all parts work in surely
Determine the effect of temperature；
In some instances, heat sink 1101 are fixed on 1111 in thermoelectric cooler, and use the gold-plated of Thermal conductivity
Material；
In some instances, transition block 2011 is fixed on heat sink 1101, and the gold-plated formation different pattern in transition block,
It is convenient that gold-plated aluminum nitride sintered body 112 is connected by gold thread, realize the electrical connection of inside and outside；
In some instances, emit different wave length λ 1 and have certain operating rate semiconductor laser 3021 and be mounted on
It crosses on block 2011, issues optical signal；
In some instances, the semiconductor laser 3021 for issuing diverging light can be carried out beam shaping becomes optical lens
4011；
In some instances, launch after isolator 6011 by the directional light of 4011 shaping of lens outgoing；
In some instances, it is transmitted away by the parallel launch light of isolator 6011 by prism 7011；
In some instances, by the emitting parallel light of prism 7011 after lens 8011 are shaped as converged light, convergence
It is transferred out to contact pin component 9011；
In some instances, optical signal λ 2 is exported by contact pin component 9011, is then shaped as in parallel by lens 8011
Light, into inside BOX shell；
In some instances, parallel optical signal λ 2 is after the turnover of 7011 full transmitting optical path of prism, by anti-reflection diaphragm
It is wholly transmissive after 5041, wherein 5041 pairs of 1 optical signals of λ play the completely isolated cavity for preventing from entering attachment reception chip, it is bad
Change its sensitivity；
In some instances, 7011 prisms, 90 degree of transformation light of turnover are again passed by by the optical signal λ 2 of anti-reflection diaphragm 5041
Road；
In some instances, optical signal λ 2 becomes to focus light after lens 5041, is detected by optical chip 3031, by light
Signal becomes electric signal；
In some instances, the electric signal of optical chip 3031 becomes high-speed level signal after the processing of electrical chip 1211,
Gold-plated aluminum nitride sintered body is connected by gold thread and realizes the electrical connection of shell inside and outside, then exports away electric signal.
Specific embodiment 2, two hairs two receive function optical assembly；
The schematic diagram for providing the optical transceiving device of this specific embodiment 2 first is as follows:
Fig. 4 is that according to specific embodiment 2 two hairs two receive the schematic diagram of optical assembly embodiment；
Fig. 5 is that according to specific embodiment 2 two hairs two receive the cross-sectional view of optical assembly embodiment；
As shown in Figure 4 and Figure 5, this embodiment is that two hairs, two four optical chips of receipts are respectively put into BOX shell, makes
It is isolated with intermediate bulkhead, transmitting terminal and receiving end need to meet condition arranged below, the receiving end light that diffuses of transmitting terminal
Chip is received with the sensitivity deteriorated.In addition it is divided using a right-angle prism, another right-angle prism carries out optical path
Turnover transformation, places filter plate between two right-angle prisms, wherein the effect of the filter plate is to useless wavelength filtering piece
It is isolated, prevents other wavelength from entering.Use the tetragonal prism less than 20 degree in lateral sky simultaneously for the optical signal of two hairs
Between be combined the optical signals of two wavelength, while two optical signals received are the same that less than 20 degree tetragonal prisms is also used to be spatially separating two waves
Long signal realizes total optical system.
This specific embodiment in order to achieve the above object, provides following optical element and light channel structure:
Square shell has including shell 101, gold-plated aluminum nitride sintered body 112 and 113 three of cover board composition.Wherein shell
Various components are placed in internal portion, and enclosure interior is designed to that baffle 901 is divided into two parts, prevents all launch wavelength optical signals
Scattering to receive optical chip crosstalk；Gold-plated aluminium nitride realizes inside and outside electrical connection, and is sintered together to be formed with shell
Side wall has sealing function；Cover board completes entire shell complete seal function；
In some instances, thermoelectric cooler 111 be fixed on inside shell 101 play control all parts work in stabilization
The effect of temperature；
In some instances, heat sink 110 are fixed on 111 in thermoelectric cooler, and use the gold-plated material of Thermal conductivity
Material；
In some instances, transition block 201 is fixed on heat sink 110, and the gold-plated formation different pattern in transition block, side
It will pass through gold thread and connect gold-plated aluminum nitride sintered body 112, realize the electrical connection of inside and outside；
In some instances, emit different wave length λ 1, λ 2 simultaneously has certain operating rate semiconductor laser 301 and 302
It is mounted in transition block 201, issues optical signal；
In some instances, the semiconductor laser 301 and 302 for issuing diverging light can be carried out beam shaping becomes two
The 401 of beam parallel light lens；
In some instances, the prism assemblies that the directional light λ 1 after shaping, λ 2 can be carried out light chopper and be combined
501；
In some instances, the emission wavelength lambda 1 after prism assemblies are combined, the effect of λ 2 are anti-by optical isolator 601
Only reflect；
In some instances, the transmitting light after optical isolator 601 passes through anti-reflection prism or anti-reflection diaphragm 701；It needs
It to be supplemented, anti-reflection prism or anti-reflection diaphragm refer to the prism or diaphragm that can increase transmitted light.
In some instances, transmitting light is changed directional light by plus lens 801 after anti-reflection prism or anti-reflection diaphragm
For converged light；
In some instances, contact pin component 901 is optically coupled by the convergence that plus lens 801 becomes to transfer out；
In some instances, contact pin component 901 is introduced from outside into two different wave length λ 3, and the optical signal of λ 4 passes through plus lens
Become directional light, and optical path is totally reflected by the reflection function of anti-reflection prism or anti-reflection diaphragm 701 and is changed；
In some instances, the optical signal of wavelength X 3, λ 4 is transferred out after 701 turnovers by isolation diaphragm 504, every
Effect from diaphragm is by λ 1, and the optical signal of λ 2 carries out isolation and prevent optical signal and enter shell another cavity to be received
Chip receives the crosstalk for causing light；
It in some instances, is λ 3 by the wavelength of isolation diaphragm 504, the optical signal of λ 4 leads to deflecting prism or diaphragm again
702 complete the turnover of optical path；You need to add is that deflecting prism, is the prism for refractive light paths to special angle.
In some instances, wavelength is λ 3, and the parallel optical signal of λ 4 passes through 505 prism assemblies for λ 3,4 liang of directional light light of λ
Signal is separated；
In some instances, the parallel optical wavelength signal λ 3 of two-way, λ 4 pass through two remittances after the separation of prism group valence respectively
Directional light is become converged light by poly- lens 508；
In some instances, by the converged light of plus lens 508 by two wavelength Xs 3,4 signal of λ converges to reception core respectively
Conversion of the light to electric signal is completed on piece 303 and 304；
In some instances, it receives chip 303 and 304 and passes through respective preposition hair amplifier IC chip respectively
121 and 120 convert a signal into high speed voltage magnitude signal, connect gold-plated aluminum nitride sintered body 112 by gold thread and realize shell
Inside and outside electrical connection.
Specific embodiment 3, two hairs two receive optical assembly:
In specific embodiment 3, the schematic diagram for providing the optical transceiving device of this specific embodiment 3 first is as follows:
Fig. 6 is that according to specific embodiment 3 two hairs two receive the top view of optical assembly specific embodiment；
Fig. 7 is that according to specific embodiment 3 two hairs two receive the perspective representation of optical assembly specific embodiment；
Fig. 8 is that according to specific embodiment 3 two hairs two receive the cross-sectional view of optical assembly specific embodiment.
As shown in Fig. 6, Fig. 7, Fig. 8, this embodiment is that two hairs, two four optical chips of receipts are respectively put into BOX shell,
For the 4 tunnel wavelength signals that two hairs two are received, multiplex and partial wave function are carried out using a tetragonal prism less than 20 degree, for connecing
Receiving end reuses 45 degree of deflecting prism turnover optical paths, but entire optical chip is covered by 45 degree of deflecting prisms, and 45 degree of turnovers
It is to increase the transmission capacity of specified wavelength signal and prevent other waves that first plane of incidence of prism, which pastes specific wavelength iris action,
Long signal enters, other sides and 45 degree of faces carry out sandblasting coating film treatments prevent launch wavelength the signal that diffuses enter it is bad
Change optical signal receiving sensitivity.
Square shell specifically includes shell, gold-plated aluminum nitride sintered body composition.Shell is for by internal correlated parts
Envelope plays the role of sealing in internal carrier, and gold-plated aluminum nitride sintered body is realization inside and outside intermediary electrical connection, and
And it is sintered together with shell and to form side wall with sealing function；
In some instances, emit different wave length λ 1, λ 2, and have certain operating rate semiconductor laser 3013,
3023, it is mounted in transition block 2013, issues optical signal；
In some instances, the optical signal light that parallel light lens 4013 can issue semiconductor laser 3013 and 3023
Shu Jinhang shaping, becomes directional light；
In some instances, 1 λ, 2 directional light of λ pass through 6013 component of tetragonal prism less than 20 degree respectively, wherein quadrangle rib
6013 component of mirror includes several specific diaphragms.In λ 1, the plane of incidence that 2 directional light of λ enters posts the anti-reflection film for respective wavelength
5013 (then reflecting other wavelength) then post λ 1 in other one side, and the reflection diaphragm 7013 of 2 directional light of λ plays reflex,
To by principle of reflection, light is propagated laterally along X direction, optical path such as figure (6) blazes abroad；
In some instances, emit optical signal λ 1, by isolator 8013 after the combining of λ 2, the effect of isolator is to place light
Road reflection, influences the transmitting signal of laser；
In some instances, by the transmitting optical signal λ 1 of isolator, λ 2 is transmitted away after deflecting prism 9013；
In some instances, directional light is become by plus lens 1013 by the optical signal λ 1 of deflecting prism 9013, λ 2
For converged light；
In some instances, by by the convergence optical signal λ 1 of plus lens, λ 2 is coupled in contact pin component 1103, output
It goes out；
In some instances, optical signal λ 3, λ 4 exports out by contact pin component, and becomes by plus lens 1013
Directional light；
In some instances, optical signal λ 3, λ 4 passes through deflecting prism 9013, deflecting prism slant setting certain angle, angle
Degree is 5-45 degree or so, and optical path is made to tilt upward turnover；
In some instances, after deflecting prism 9013, optical signal λ 3, λ 4 is again introduced into less than 20 degree tetragonal prism groups
Part, after turnover, optical path such as figure (6) decomposites optical signal λ 3 and λ 4 to come；
In some instances, pass through respective plus lens 1213 respectively by decompositing the optical signal λ 3 come and λ 4, it will
Directional light becomes converged light；
In some instances, optical signal λ 3, anti-reflection film of 4 signal of λ first by being affixed on 1413 front end of right-angle prism are converged
Diaphragm 1313 increases transmissivity to respective wavelength itself respectively, other wavelength buffer actions are then transmitted to 45 degree of right angle prism
Upper to transfer, optical path is downward, converges to probe dice 1513, completes optical path.Right-angle prism except receive smooth surface paste it is anti-reflection
Outside diaphragm and outgoing optical surface are not handled by, the equal sandblasting in remaining side and 45 degree of inclined-planes or coating film treatment prevent other wavelength
It is interfered into optical signal, sandblasting plated film is arranged in 7023 position in Fig. 7, such as schemes shown in (7)~(8).
You need to add is that being described as follows to optical path multiplex involved in above three specific embodiment and optical path partial wave:
Fig. 9 is combining prism assemblies structural schematic diagram according to the preferred embodiment of the invention, as shown in figure 9, prism assemblies
501 are made of filtering diaphragm 520, tetragonal prism 521 and filtering diaphragm 522 respectively.Filtering diaphragm 520 is 1 optical signal of λ to wavelength
Anti-reflection, the combining function of 2 optical signal of light chopper and λ 1, λ of tetragonal prism 521 and the filtering realization of diaphragm 522 λ 1, three uses
Optical glue is bonded.
Figure 10 is branch prism assemblies structural schematic diagram according to the preferred embodiment of the invention, as shown in Figure 10, prism group
Part 505 is made of filtering diaphragm 510, tetragonal prism 511 and filtering diaphragm 512 respectively.Filtering diaphragm 510 is 3 light of λ letter to wavelength
Number anti-reflection but reflection 4 wavelength signals of λ, tetragonal prism 512 is transferred to 4 wavelength signals of λ, and filtering diaphragm 511 realizes 4 light of λ
Signal it is anti-reflection, finally complete λ 3, light chopper is realized in the separation of 4 optical signal of λ, and three is bonded using optical glue.
You need to add is that this preferred embodiment patent is not limited to features described above, and above embodiments can be used for it is multiple more
Receive combination, implementation with specific embodiment (two) and (three) equally, be only to increase or decrease reception and transmitting unit number,
The structures such as optical path are.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of optical transceiving device characterized by comprising shell, contact pin component；
Multichannel transmitting-receiving light core is provided in the shell, wherein the transmitting light beam of transmitting light core receives the reception that light core receives
Long side of the light beam each parallel to the optical transceiving device；
Inclined-plane tetragonal prism is additionally provided in the shell, wherein inclined-plane tetragonal prism surface is provided with specified diaphragm, institute
Inclined-plane tetragonal prism is stated, is merged for the transmitting light beam described in multichannel, output beam is formed, and/or, for input institute
The light beam for stating optical transceiving device is separated, and multipath reception light beam is formed；
Baffle is provided among the shell, wherein the shell is divided into two cavitys by the baffle, is distinguished in two cavitys
It places transmitting light core and receives light core, wherein be respectively arranged with the inclined-plane tetragonal prism in described two cavitys.
2. optical transceiving device according to claim 1, which is characterized in that
The specified diaphragm includes at least one of: the reflection diaphragm of the first light wave, the anti-reflection diaphragm of the second light wave.
3. optical transceiving device according to claim 2, which is characterized in that set respectively in the two sides of the tapping of the baffle
It is equipped with right-angle prism, wherein transmitting light core institute right-angle prism in the cavity is used to transmit the transmitting light beam and described opens
The right-angle prism of the two sides Kong Chu is provided commonly for reflecting the light beam for inputting the optical transceiving device to the reception light core；
Wherein, the isolation diaphragm for the transmitting light beam to be isolated is provided between two right-angle prisms.
4. optical transceiving device according to any one of claim 1 to 3, which is characterized in that the reception light core receives
Diffusing reflection light beam sensitivity be lower than preset value, wherein the diffusing reflection light beam be the transmitting light beam received and dispatched in the light
The diffusing reflection light beam formed in device.
5. a kind of optical transceiving device characterized by comprising shell, contact pin component；
Multichannel transmitting-receiving light core is provided in the shell, wherein the transmitting light beam of transmitting light core receives the reception that light core receives
Long side of the light beam each parallel to the optical transceiving device；
Inclined-plane tetragonal prism is additionally provided in the shell, wherein inclined-plane tetragonal prism surface is provided with specified diaphragm, institute
Inclined-plane tetragonal prism is stated, is merged for the transmitting light beam described in multichannel, output beam is formed, and/or, for input institute
The light beam for stating optical transceiving device is separated, and multipath reception light beam is formed；
In the case where being provided with an inclined-plane tetragonal prism in the shell, the light beam of the optical transceiving device is inputted by institute
It states inclined-plane tetragonal prism and forms multipath reception light beam, the multipath reception light beam is reflected by right-angle prism, is emitted to connecing
Receive light core.
6. optical transceiving device according to claim 5, which is characterized in that
The specified diaphragm includes at least one of: the reflection diaphragm of third light wave, the anti-reflection diaphragm of the 4th light wave.
7. optical transceiving device according to claim 5, which is characterized in that the incidence surface of the right-angle prism be provided with every
From diaphragm.
8. optical transceiving device according to claim 5, which is characterized in that the specified side of the right-angle prism carries out sandblasting
And/or coating film treatment, wherein the specified side is in addition to for the incidence surface and exit surface for receiving light beam
Surface.
9. the optical transceiving device according to any one of claim 5 to 8, which is characterized in that the reception light core receives
Diffusing reflection light beam sensitivity be lower than preset value, wherein the diffusing reflection light beam be the transmitting light beam received and dispatched in the light
The diffusing reflection light beam formed in device.
10. a kind of optical transceiving device characterized by comprising shell, contact pin component；
Transmitting-receiving light core all the way is provided in the shell, wherein the transmitting light beam of transmitting light core receives the reception that light core receives
Long side of the light beam each parallel to the optical transceiving device；
Baffle is provided among the shell, wherein the shell is divided into two cavitys by the baffle, is distinguished in two cavitys
It places transmitting light core and receives light core.
11. optical transceiving device according to claim 10, which is characterized in that distinguish in the two sides of the tapping of the baffle
It is provided with right-angle prism, wherein transmitting light core institute right-angle prism in the cavity is used to transmit the transmitting light beam and described
The right-angle prism of tapping two sides is provided commonly for reflecting the light beam for inputting the optical transceiving device to the reception light core；
Wherein, it is provided between two right-angle prisms for the transmitting light beam isolation diaphragm to be isolated.
12. optical transceiving device described in any one of 0 to 11 according to claim 1, which is characterized in that the reception light core receives
The sensitivity of the diffusing reflection light beam arrived is lower than preset value, wherein the diffusing reflection light beam is that the transmitting light beam is received in the light
The diffusing reflection light beam formed in hair device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230876.5A CN109839700A (en) | 2017-11-29 | 2017-11-29 | Optical transceiving device |
| PCT/CN2018/106462 WO2019105113A1 (en) | 2017-11-29 | 2018-09-19 | Optical transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230876.5A CN109839700A (en) | 2017-11-29 | 2017-11-29 | Optical transceiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109839700A true CN109839700A (en) | 2019-06-04 |
Family
ID=66665386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711230876.5A Withdrawn CN109839700A (en) | 2017-11-29 | 2017-11-29 | Optical transceiving device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109839700A (en) |
| WO (1) | WO2019105113A1 (en) |
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| CN110161630A (en) * | 2019-06-26 | 2019-08-23 | 深圳市楠轩光电科技有限公司 | A kind of optical fibre light splitting apparatus and system |
| CN110376691A (en) * | 2019-09-02 | 2019-10-25 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN110471148A (en) * | 2019-09-02 | 2019-11-19 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN110531471A (en) * | 2019-09-02 | 2019-12-03 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
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| CN115639650A (en) * | 2022-12-26 | 2023-01-24 | 武汉乾希科技有限公司 | Laser of light transmitting and receiving component and optical module |
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