CN105676377B - A kind of multidirectional optical assembly and the method for obtaining multidirectional light - Google Patents

A kind of multidirectional optical assembly and the method for obtaining multidirectional light Download PDF

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Publication number
CN105676377B
CN105676377B CN201610182660.5A CN201610182660A CN105676377B CN 105676377 B CN105676377 B CN 105676377B CN 201610182660 A CN201610182660 A CN 201610182660A CN 105676377 B CN105676377 B CN 105676377B
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China
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optical
light
component
multidirectional
light emission
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CN201610182660.5A
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CN105676377A (en
Inventor
胡强鹏
陈序光
张军
余向红
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Wuhan Telecommunication Devices Co Ltd
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Wuhan Telecommunication Devices Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4287Optical modules with tapping or launching means through the surface of the waveguide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4204Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4206Optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4204Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4215Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/40Transceivers

Abstract

The present invention provides a kind of multidirectional optical assembly, including:First light emission component, optical receiver module, optical transmitter module and optical fiber component.Optical receiver module includes at least:First light-receiving component, the first optical filter and concavees lens;Optical transmitter module includes at least:Second light emission component, the second optical filter and convex lens;Transmission and reflection of the incident light of first light emission component transmitting by optical receiver module and optical transmitter module, can obtain multidirectional emergent light.The convex lens of real focus usual in the prior art is substituted to be transmitted to obtain directional light using the concavees lens of virtual focus, can effectively reduce optical assembly length, increases the multidirectional optical assembly of optical module internal circuit free space.

Description

A kind of multidirectional optical assembly and the method for obtaining multidirectional light
Technical field
The present invention relates to technical field of photo communication, particularly relate to a kind of multidirectional optical assembly.
Background technology
With the development of optical communication technique industry, user increases the demand of bandwidth increasingly.In PON (Passive Optical Network, passive optical-fiber network) in system, since user bandwidth demand is different, needed in same optical-fiber network It is compatible with different bandwidth, it is therefore desirable to the multidirectional optical assembly such as three-dimensional, four-way.
Instantly, FTTx (Fiber-to-the-x, intelligent acess) network is laid on a large scale, efficient, quick, low in order to realize Optical network fault is positioned into local, in former OLT (Optical Line Terminal, optical line terminal) optical assembly On the basis of increase with OTDR (Optical time-domain reflectometer, optical time domain reflectometer) Function detection Light, the optical assembly combined are the multidirectional optical assembly such as three-dimensional, four-way.
The shape of each optical module has a corresponding professional standard, and what the upgrading of demand was brought is the increasing of optical assembly volume Add.However optical module inner space is limited, therefore the making of the optical module of small size is necessary.Existing multidirectional light group Part commonly uses directional light to elongate distance, and the convex lens of real focus is selected to obtain directional light.However, the convex lens of real focus accounts for It is big with space, it can be difficult to the assembling of optical assembly and optical module.
Invention content
The technical problem to be solved in the present invention is to provide a kind of reduction optical assembly length, increase optical module internal circuit and can be used The multidirectional optical assembly in space.
In order to solve the above technical problems, the embodiment of the present invention offer technical solution is as follows:
On the one hand, a kind of multidirectional optical assembly is provided, including:First light emission component, optical receiver module, optical transmitter module with And optical fiber component;Wherein, the optical receiver module includes at least:First light-receiving component, the first optical filter and concavees lens;Institute Optical transmitter module is stated to include at least:Second light emission component, the second optical filter and convex lens;The first light emission component hair Transmission and reflection of the incident light penetrated by the optical receiver module and the optical transmitter module, can obtain multidirectional emergent light; First light emission component is placed in horizontal optical axis, and the first light-receiving component and second light emission component are respectively placed in The vertical optical axis of the first light emission component both sides;First optical filter is placed in hanging down where the first light-receiving component The intersection of direct light axis and horizontal optical axis, the concavees lens be placed in first optical filter and first light emission component it Between, to convert incident light into directional light;Second optical filter is placed in the vertical light where second light emission component The intersection of axis and horizontal optical axis, the convex lens is placed between second optical filter and the optical fiber component, will enter It penetrates light and is converted into directional light.
Preferably, first optical filter and second optical filter are wavelength-division multiplex optical filter.
On the other hand, a kind of method for obtaining multidirectional light is additionally provided, including step:First light emission component transmitting first Incident optical signal;Transmission of first incident optical signal by optical receiver module and optical transmitter module, obtains directional light simultaneously It is poly- to be coupled into optical fiber component transmitting;Wherein, the optical receiver module includes at least:First light-receiving component, the first optical filter And concavees lens;The optical transmitter module includes at least:Second light emission component, the second optical filter and convex lens;Second enters Light is penetrated via the optical fiber component, transmits to obtain directional light, and by the optical receiver module by the optical transmitter module Transmission and reflection, into the first light-receiving component;Second light emission component emits third incident optical signal;It is described Transmission of the third incident optical signal by the optical receiver module and the optical transmitter module obtains directional light and gathers to be coupled into Enter optical fiber component transmitting.
Preferably, first optical filter and second optical filter are wavelength-division multiplex optical filter.
The embodiment of the present invention has the advantages that:
In said program, using the concavees lens of virtual focus come substitute the convex lens of real focus usual in the prior art to It is transmitted to obtain directional light, can effectively reduce optical assembly length, increase the multidirectional of optical module internal circuit free space Optical assembly.
Description of the drawings
Fig. 1 is the optical assembly schematic diagram that real focus convex lens is used in background technology;
Fig. 2 is three-dimensional optical assembly schematic diagram provided in an embodiment of the present invention;
Fig. 3 is multidirectional optical assembly schematic diagram provided in an embodiment of the present invention;
Fig. 4 is the step flow chart provided in an embodiment of the present invention for obtaining multidirectional smooth method.
Specific embodiment
To make the embodiment of the present invention technical problems to be solved, technical solution and advantage clearer, below in conjunction with Drawings and the specific embodiments are described in detail.
Existing multidirectional optical assembly often elongates distance with directional light, and selects the convex lens of real focus parallel to obtain Light.As shown in Figure 1, the optical assembly schematic diagram to use real focus convex lens in background technology.However, the convex lens of real focus accounts for It is big with space, it can be difficult to the assembling of optical assembly and optical module.The embodiment of the present invention is asked in the prior art Topic, provides a kind of multidirectional optical assembly, including:First light emission component, optical receiver module, optical transmitter module and optical fiber component;
Wherein, the optical receiver module includes at least:First light-receiving component, the first optical filter and concavees lens;It is described Optical transmitter module includes at least:Second light emission component, the second optical filter and convex lens;The first light emission component transmitting Transmission and reflection of the incident light by the optical receiver module and the optical transmitter module, can obtain multidirectional emergent light;
First light emission component is placed in horizontal optical axis, the first light-receiving component and second light emission component It is respectively placed in the vertical optical axis of the first light emission component both sides;
First optical filter is placed in the intersection of the vertical optical axis and horizontal optical axis where the first light-receiving component, The concavees lens are placed between first optical filter and first light emission component, parallel to convert incident light into Light;
Second optical filter is placed in the intersection of the vertical optical axis and horizontal optical axis where second light emission component, The convex lens is placed between second optical filter and the optical fiber component, to convert incident light into directional light.
As shown in Fig. 2, for three-dimensional optical assembly schematic diagram provided in an embodiment of the present invention.Wherein, the optical receiver module packet It includes:First light-receiving component 21, the first optical filter 13 and concavees lens 12;The optical transmitter module includes:Second light emitting group Part 31, the second optical filter 14 and convex lens 15.Preferably, the first optical filter 13 described in the embodiment of the present invention and described Two optical filters 14 are wavelength-division multiplex (Wavelength Division Multiplexing, WDM) optical filter.Difference with it is existing Using the conventional method of the convex lens of real focus in technology, optical assembly length can be effectively reduced, increases electricity inside optical module The multidirectional optical assembly of road free space.
Preferably, the first light emission component 11 emit the first incident optical signal λ 1, the first incident optical signal λ 1 via Concavees lens 12 are converted into collimated light beam, and the collimated light beam is via the first optical filter 13, the second optical filter 14 and convex lens 15 Transmission, convergence is coupled into optical fiber component 16 and emits.
Preferably, the second incident light λ 2 is converted into collimated light beam via optical fiber component 16, then by the transmission of convex lens 15, institute Collimated light beam is stated via the transmission of the second optical filter 14 and the reflection of the first optical filter 13, enters the first light-receiving component 21 In.
Preferably, the second light emission component 31 transmitting third incident optical signal λ 3, the third incident optical signal λ 3 via The transmitting of second optical filter 14 and the transmission of convex lens 15, convergence are coupled into optical fiber component 16 and emit.And then by it is above-mentioned can Obtain three-dimensional light output light-path.
Preferably, as shown in figure 3, for multidirectional optical assembly schematic diagram provided in an embodiment of the present invention.As shown in Figure 2 three On the basis of optical assembly, the optical receiver module can be multiple first light-receiving components, the first optical filter and concavees lens Combination;The optical transmitter module can be the combination of multiple second light emission components, the second optical filter and convex lens.And then Obtain multidirectional output light-path more than three-dimensional.Meanwhile it is different from real focus of the prior art using the concavees lens of virtual focus Convex lens can effectively reduce optical assembly length, increase the multidirectional optical assembly of optical module internal circuit free space.
As shown in figure 4, for the step flow chart provided in an embodiment of the present invention for obtaining multidirectional smooth method.The embodiment of the present invention A kind of method for obtaining multidirectional light is additionally provided, including step:
First light emission component emits the first incident optical signal;
Transmission of first incident optical signal by optical receiver module and optical transmitter module, obtains directional light and poly- coupling It closes and enters optical fiber component transmitting;Wherein, the optical receiver module includes at least:First light-receiving component, the first optical filter and Concavees lens;The optical transmitter module includes at least:Second light emission component, the second optical filter and convex lens;
Second incident light transmits to obtain directional light, and by institute by the optical transmitter module via the optical fiber component The transmission and reflection of optical receiver module are stated, into the first light-receiving component;
Second light emission component emits third incident optical signal;
Transmission of the third incident optical signal by the optical receiver module and the optical transmitter module, obtains parallel Light simultaneously poly- is coupled into optical fiber component transmitting.
Wherein, the method for the multidirectional light of acquisition that the embodiment of the present invention is provided and the multidirectional optical assembly phase in above-described embodiment It is similar, therefore no longer repeated.It will be recognized by those skilled in the art that be suitble to multidirectional optical assembly in many devices, method, Module is equally applicable to obtain the method and step of multidirectional light.
In conclusion the embodiment of the present invention substitutes real focus usual in the prior art using the concavees lens of virtual focus Convex lens can effectively reduce optical assembly length to be transmitted to obtain directional light, increase optical module internal circuit and can be used The multidirectional optical assembly in space.
This many functional component described in this description is all referred to as module, specifically to emphasize its realization side The independence of formula.
In each method embodiment of the present invention, the priority that the serial number of each step can not be used to limit each step is suitable Sequence for those of ordinary skill in the art, without creative efforts, changes the priority of each step Within protection scope of the present invention.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (4)

1. a kind of multidirectional optical assembly, which is characterized in that including:It is first light emission component, optical receiver module, optical transmitter module, convex Lens, concavees lens and optical fiber component;
Wherein, the optical receiver module includes at least:First light-receiving component and the first optical filter;The optical transmitter module is extremely Include less:Second light emission component and the second optical filter;The incident light of the first light emission component transmitting passes through the light The transmission and reflection of receiving module and the optical transmitter module, can obtain multidirectional emergent light;
First light emission component is placed in horizontal optical axis, the first light-receiving component and second light emission component difference It is placed in the vertical optical axis of the first light emission component both sides;
First optical filter is placed in the intersection of the vertical optical axis and horizontal optical axis where the first light-receiving component, described Concavees lens are placed between first optical filter and first light emission component, to convert incident light into directional light;
Second optical filter is placed in the intersection of the vertical optical axis and horizontal optical axis where second light emission component, described Convex lens is placed between second optical filter and the optical fiber component, to convert incident light into directional light.
2. multidirectional optical assembly as described in claim 1, which is characterized in that first optical filter and second optical filter For wavelength-division multiplex optical filter.
A kind of 3. method for obtaining multidirectional light, which is characterized in that including step:
First light emission component emits the first incident optical signal;
Transmission of first incident optical signal by optical receiver module and optical transmitter module obtains directional light and gathers to be coupled into Enter optical fiber component transmitting;Wherein, the optical receiver module includes at least:First light-receiving component and the first optical filter;It is described Optical transmitter module includes at least:Second light emission component and the second optical filter;
Second incident light transmits to obtain directional light, and pass through the light by the optical transmitter module via the optical fiber component The transmission and reflection of receiving module, into the first light-receiving component;
Second light emission component emits third incident optical signal;
The third incident optical signal gathers by the reflection of second optical filter and the transmission of convex lens and is coupled into optical fiber Component emits.
4. method as claimed in claim 3, which is characterized in that first optical filter and second optical filter are wavelength-division It is multiplexed optical filter.
CN201610182660.5A 2016-03-28 2016-03-28 A kind of multidirectional optical assembly and the method for obtaining multidirectional light Active CN105676377B (en)

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CN106054329A (en) * 2016-07-19 2016-10-26 深圳市新波光子技术有限公司 Optical transceiver
CN108200487B (en) * 2017-12-28 2020-05-08 宏安集团有限公司 EPON system
CN108174313B (en) * 2017-12-28 2020-05-08 宏安集团有限公司 EPON expansion system
CN108199773B (en) * 2017-12-28 2020-02-14 宏安集团有限公司 OLT optical transceiver integrated machine of EPON

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CN201812067U (en) * 2010-08-26 2011-04-27 深圳新飞通光电子技术有限公司 Single optical fiber bidirectional light receiving-transmitting assembly for OLT (optical line terminal)
JP2015032728A (en) * 2013-08-05 2015-02-16 日立金属株式会社 Optical module
TWM484714U (en) * 2014-04-07 2014-08-21 Optics Technology Inc W Single-hole multipath optical transceiver

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