CN106371177B - A kind of assemble method of optical transceiver module - Google Patents
A kind of assemble method of optical transceiver module Download PDFInfo
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- CN106371177B CN106371177B CN201610902759.8A CN201610902759A CN106371177B CN 106371177 B CN106371177 B CN 106371177B CN 201610902759 A CN201610902759 A CN 201610902759A CN 106371177 B CN106371177 B CN 106371177B
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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
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
- G02B6/4225—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements by a direct measurement of the degree of coupling, e.g. the amount of light power coupled to the fibre or the opto-electronic element
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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
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
- G02B6/4227—Active alignment methods, e.g. procedures and algorithms
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- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention provides a kind of assemble method of optical transceiver module, comprises the following steps：Reflection filter piece perpendicular to the second lens axis is set；Optical fiber splitter, the interface end installation test photophore of optical fiber splitter, another interface end installation light power meter of optical fiber splitter are installed at the optical fiber interface end of fiber adapter；If the test light that test photophore is sent is after the second lens parallel to the optical axis of the second lens, reflection filter piece total reflection test light；Test photophore is lighted, adjusts position of the fiber adapter relative to the second lens, and fiber adapter is fixed in light power meter power output maximum；Close test photophore and remove reflection filter piece；First lens and the first wavelength-division multiplex filter plate are installed；Install and light optical transmitting set, adjustment optical transmitting set fixes optical transmitting set relative to the position of the first lens in light power meter power output maximum.
Description
Technical field
The present invention relates to technical field of optical fiber communication, more particularly to a kind of assemble method of optical transceiver module.
Background technology
Optical transceiver module is the workpiece that optical signal and electric signal conversion are realized in optical fiber telecommunications system, is fiber optic communication
One of core component of system.Fig. 1 is a kind of optical transceiver module structural representation in the prior art.It is of the prior art such as Fig. 1
A kind of optical transceiver module includes optical transmitting set 1, the first lens 2, the first wavelength-division multiplex filter plate 3, the second lens 4, fiber adapters
Device 5 and optical receiver 7.First lens 2 are arranged between the wavelength-division multiplex filter plate 3 of optical transmitting set 1 and first, for light to be launched
Uplink optical signal that device 1 is launched, being rendered as convergence state is converted to up collimated light；Second lens 4 are arranged on the first wavelength-division
It is multiplexed between filter plate 3 and fiber adapter 5, for will turn again by the up collimated light of the first wavelength-division multiplex filter plate 3
It is changed to up converged light；Fiber adapter 5 is arranged on the focal point of the second lens 4, the up converged light being emitted by the second lens 4
Focus at the optical interface of fiber adapter 5.Accordingly, the descending converged light being emitted by the optical interface of fiber adapter 5 is passed through
Descending collimated light is converted to after second lens 4, descending collimated light irradiates light-receiving after the reflection of the first wavelength-division multiplex filter plate 3
Device 7.Ideally, the light exit focus of optical transmitting set 1 should overlap with the focus of the first lens 2, and fiber adapter 5 should
It is arranged on the focal point of the second lens 4.
Fig. 2 is existing optical transceiver module assemble method flow chart.Such as Fig. 2, to reach ideal situation as far as possible, light is received and dispatched
The assemble method of component comprises the following steps：
S01：Assemble the first lens 2, the first wavelength-division multiplex filter plate 3 and the second lens 4；
S02：White screen is installed in the reflected light path of the first wavelength-division multiplex filter plate 3, the one of optical fiber is connected in fiber adapter 5
End installation test photophore 10；Light test photophore 10, adjust position of the fiber adapter 5 relative to the second lens 4, in light
Fiber adapter 5 is fixed during spot minimum；
S03：One end that optical fiber is connected in fiber adapter 5 is installed by light power meter 11；Light optical transmitting set 1, adjustment light hair
Emitter 1 adjusts the position of fiber adapter 5 relative to the position while edge of the first lens 2 perpendicular to the plane of the optical axis of the second lens 4
Put, fix optical transmitting set 1 in 11 power output maximum of light power meter and fix fiber adapter 5 again.
Optical transceiver module is assembled using the method shown in Fig. 2, the hot spot observed in step S02 by assembler in white screen is true
Determine the position of fiber adapter 5, judged result is not objective by the subjective determination of assembler, evaluation criterion；Needed in step S03 same
When adjust the position of optical transmitting set 1 and fiber adapter 5, composition matching is less efficient.
The content of the invention
The present invention provides a kind of assemble method of optical transceiver module, can solve optical transceiver module assembling process evaluation criterion not
Objective, the problem of composition matching efficiency is low, reduce production difficulty, improve production efficiency.
The present invention provides a kind of assemble method of optical transceiver module, comprises the following steps：
Reflection filter piece perpendicular to the second lens axis is set；
Optical fiber splitter, the interface end installation of the optical fiber splitter are installed at the optical fiber interface end of fiber adapter
Test photophore, another interface end installation light power meter of the optical fiber splitter；If the test that the test photophore is sent
Light is after second lens parallel to the optical axis of second lens, then the reflection filter piece total reflection test
Light；
The test photophore is lighted, adjusts position of the fiber adapter relative to second lens；Described
The fiber adapter is fixed during light power meter power output maximum；
Close the test photophore and remove the reflection filter piece；First lens and the filtering of the first wavelength-division multiplex are installed
Piece；
Install and light optical transmitting set, position of the optical transmitting set relative to first lens is adjusted, in the light
The optical transmitting set is fixed during power meter power output maximum.
The present invention also provides the assemble method of another optical transceiver module, comprises the following steps：
Assemble the first lens, the second lens and the first wavelength-division multiplex filter plate；
Optical fiber splitter, the interface end installation of the optical fiber splitter are installed at the optical fiber interface end of fiber adapter
For sending the test photophore of test light, another interface end installation light power meter of the optical fiber splitter；
Reflection filter piece is installed in the reflected light path of the first wavelength-division multiplex filter plate；The reflection filter piece is used for complete
The reflection test light of the direction of propagation parallel to second lens axis after second lens；
The test photophore is lighted, adjusts position of the fiber adapter relative to second lens；Described
The fiber adapter is fixed during light power meter power output maximum；
Close the test photophore and remove the reflection filter piece；
Install and light optical transmitting set, position of the optical transmitting set relative to first lens is adjusted, in the light
The optical transmitting set is fixed during power meter power output maximum.
Optical transceiver module assemble method provided by the invention, fiber optic splitter is installed at the optical fiber interface end of fiber adapter
Device, and photophore is tested in the interface installation of optical fiber splitter, luminous power is installed in another interface of optical fiber splitter
Meter；Reflection filter piece is installed in one end of the corresponding first wavelength-division multiplex filter plate of the second lens.When fiber adapter is installed, light
Photophore is tested, adjustment fiber adapter positions relative to the position of the second lens in the power output maximum of light power meter
Fiber adapter；When optical transmitting set is installed, lights optical transmitting set and adjust position of the optical transmitting set relative to the first lens, in light
Optical transmitting set is positioned during power meter power output maximum.
When assembling positions fiber adapter, the phase of the power output of light power meter only with the second lens and fiber adapter
Contraposition is equipped with pass, and when the optical interface of fiber adapter is located at the focal point of the second lens light power meter output maximum work
Rate, so can determine that focal point of the optical interface in the second lens of fiber adapter in light power meter Maximum Power Output；
During assembling positioning optical transmitting set, the delivery efficiency of light power meter is only relevant with the position of optical transmitting set and the first lens, and
The power output of light power meter is maximum when the output focus of optical transmitting set and the focus of the first lens overlap, so in light power meter
It can determine that the output focus of reflective optical system and the focus of the first lens overlap during Maximum Power Output.There is provided compared to prior art
Assemble method, using objective data as foundation when assemble method provided by the invention positioning fiber adapter and optical transmitting set, group
It is more accurate to set position.
In an embodiment of the present invention, after fixed optical transmitting set, fiber adapter is adjusted again relative to the second lens
Position, and light power meter show power maximum when again fix fiber adapter.It can ensure that optical transmitting set is sent up
Light is farthest entered in fiber adapter, improves the efficiency of transmission of optical signal.
Brief description of the drawings
To be illustrated more clearly that background technology or technical scheme, below to prior art or embodiment
The accompanying drawing of middle combined use is briefly described；It should be evident that the accompanying drawing side of being only for below in conjunction with embodiment
Just understand the embodiment of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings；
Fig. 1 is a kind of optical transceiver module structural representation in the prior art；
Fig. 2 is existing optical transceiver module assemble method flow chart；
Fig. 3 is optical transceiver module assemble method flow chart in first embodiment；
Fig. 4 is the schematic diagram that fiber adapter is positioned in first embodiment；
Fig. 5 is the principle schematic that fiber adapter position is determined in first embodiment；
Fig. 6 is optical transceiver module assemble method flow chart in second embodiment；
Fig. 7 is positioning fiber adapter schematic diagram in second embodiment；
Wherein：1- optical transmitting sets, the lens of 2- first, the first wavelength-division multiplex of 3- filter plate, the lens of 4- second, 5- fiber adapters
Device, the second wavelength-division multiplex of 6- filter plate, 7- optical receivers, 8- reflection filters piece, 9- optical fiber splitters, 10- test photophore,
11- light power meters.
Embodiment
The present invention provides a kind of assemble method of optical transceiver module, improves all parts in optical transceiver module installation process
Coupling efficiency, then improve the efficiency of transmission of optical signal.
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to protection of the present invention
Scope.
First embodiment
Fig. 3 is optical transceiver module assemble method flow chart in first embodiment.Such as Fig. 3, light transmitting-receiving group in first embodiment
The assemble method of part comprises the following steps.
S101：Reflection filter piece 8 perpendicular to the optical axis of the second lens 4 is set.
S102：Optical fiber splitter 9 is installed at the optical fiber interface end of fiber adapter 5；One interface end of optical fiber splitter 9
Installation test photophore 10, another interface end installation light power meter 11 of optical fiber splitter 9.
Fig. 4 is the schematic diagram that fiber adapter is positioned in first embodiment, and such as Fig. 4, optical fiber splitter 9 fits installed in optical fiber
The optical fiber interface end of orchestration 5, it is connected by optical fiber with fiber adapter 5.One interface end of optical fiber splitter 9 is provided with test
Photophore 10, another interface end installation light power meter 11.The test light that test photophore 10 is sent can pass through optical fiber splitter 9
Transmit to fiber adapter 5 and exported by the optical interface of fiber adapter 5；The light inputted by the optical interface of fiber adapter 5
Light power meter 11 can be exposed to by optical fiber splitter 9.Reflection filter piece 8 is arranged on corresponding first wavelength-division multiplex of the second lens 4
The side of filter plate 3, and perpendicular to the optical axis of the second lens 4；The total reflection wavelength and test photophore 10 of reflection filter piece 8 are defeated
The test optical wavelength gone out is identical.
S103：Test photophore 10 is lighted, adjusts position of the fiber adapter 5 relative to the second lens 4；In light power meter
Fiber adapter 5 is fixed during 11 power output maximum.
Fiber adapter 5 is arranged on to the side of the second lens 4, lights test photophore 10.Test photophore 10 is sent
Test light after optical fiber splitter 9 and fiber adapter 5, be emitted from optical interface and be irradiated to the surface of the second lens 4.Adjustment
Fiber adapter 5 is relative to the position of the second lens 4, incidence when exposing to the second lens 4 from the test light of optical interface outgoing
Angle correspondingly changes, therefore the test optical propagation direction after the second lens 4 also correspondingly changes.
Fig. 5 is the principle schematic that fiber adapter position is determined in first embodiment.Such as Fig. 5, if fiber adapter 5
Optical interface be located at the focal points of the second lens 4, test light is changed into after the second lens 4 parallel to the optical axis of the second lens 4
Directional light and vertical irradiation reflection filter piece 8；According to light path principle, perpendicular to the light that reflection filter piece 8 irradiates along former light
Road is back to the second lens 4, transmitted after the second lens 4, fiber adapter 5 and optical fiber splitter 9 to light power meter 11.
If fiber adapter 5 optical interface not exclusively be located at the second lens 4 focal point, test light after the second lens 4 simultaneously
Not exclusively parallel to the optical axis of the second lens 4 but oblique illumination is on reflection filter piece 8；Because test light oblique illumination is anti-
Penetrate on filter plate 8, the test light that reflection filter piece 8 reflects not is to return to the second lens 4 according to original optical path so that partial test
Light can not be transmitted from the optical interface of fiber adapter 5 to light power meter 11.Analyzed more than, if the output of light power meter 11
Power is maximum, then can determine that the optical interface of fiber adapter 5 is located at the focal position of the second lens 4, can now position optical fiber
Adapter 5.
S104：Close test photophore 10 and remove the reflection filter piece 8.
S105：First lens 2 and the first wavelength-division multiplex filter plate 3 are installed.
After the location and installation of fiber adapter 5, also need that the first lens 2 and the first wavelength-division multiplex filter plate 3 of optical assembly are installed,
Photophore 10 is now tested temporarily without using so test photophore 10 can be closed.Realizing that fiber adapter 5 relatively second is saturating
After the positioning of mirror 4, reflection filter piece 8 is no longer used to follow-up test, and reflection filter piece 8 has an effect on test light during follow-up test
By therefore removing reflection filter piece 8.
In S105, the first lens 2 and the first wavelength-division multiplex filter plate 3 are fixed using machinery positioning mode.Practical application
In, two surfaces of the first wavelength-division multiplex filter plate 3 are parallel, as long as so ensureing that the optical axis of the first lens 2 is saturating parallel to second
The optical axis of mirror 4, so that it may make the light parallel to the optical axis of the first lens 2 after the first wavelength-division multiplex filter plate 3 parallel to second
The optical axis of lens 4.
S106：Install and light optical transmitting set 1, position of the optical transmitting set 1 relative to the first lens 2 is adjusted, in luminous power
Optical transmitting set 1 is fixed when counting 11 power output maximum.
After the wavelength-division multiplex filter plate 3 of fixed first lens 2 and first is installed, so that it may installation positioning optical transmitting set 1.In S106
In, first by the coarse positioning of optical transmitting set 1, make the light output focus of optical transmitting set 1 substantially in the focal position of the first lens 2.Then,
Light optical transmitting set 1, and intense adjustment optical transmitting set 1 relative to the first lens 2 position：Optical transmitting set 1 is sent up
Light is transmitted to light by the first lens 2, the first wavelength-division multiplex filter plate 3, the second lens 4, fiber adapter, optical fiber splitter 9
Power meter 11, light power meter 11 is set to show corresponding power.On the premise of the power constant of optical transmitting set 1, if light
The light output focus of transmitter 1 and the focus of the first lens 2 overlap, then the power output of light power meter 11 is maximum；Therefore in light
During 11 power output maximum of power meter, so that it may determine that the light output focus of optical transmitting set 1 and the focus of the first lens 2 overlap, this
When fix optical transmitting set 1.
The assemble method for the optical transceiver module that the present embodiment provides, when assembling positions fiber adapter, light power meter
Power output is only relevant with the relative position of the second lens and fiber adapter, and fiber adapter optical interface positioned at the
The Maximum Power Output of light power meter during the focal point of two lens, so can determine that optical fiber in light power meter Maximum Power Output
Focal point of the optical interface of adapter in the second lens；When assembling positions optical transmitting set, the delivery efficiency of light power meter only with
The position of optical transmitting set and the first lens is relevant, and overlaps the time in the output focus of optical transmitting set and the focus of the first lens
The power output of power meter is maximum, so can determine that the output focus and the of reflective optical system in light power meter Maximum Power Output
The focus of one lens overlaps.The assemble method provided compared to prior art, this assemble method are able to ensure that in assembling process
The objectivity of judged result, assembling quality is inconsistent caused by avoiding assembler subjective judgement.
Further, the optical transceiver module installation method that the present embodiment provides also includes S107：Fiber adapters are adjusted again
Device 5 fixes fiber adapter 5 again relative to the position of the second lens 4 when light power meter 11 shows power maximum.
The optical transceiver module assembled using S101-S106, although the optical interface of fiber adapter 5 is located at the second lens 4
Focal point, but because the optical interface sectional dimension of fiber adapter 5 is slightly larger than spot size of the up light irradiation in optical interface, gather
Jiao is in the center position that the hot spot of the focus of the second lens 4 may not be positioned at the optical interface of fiber adapter 5, this light emitters 1
The up light sent can not be transmitted farthest into fiber adapter.And after S106, up light that optical transmitting set 1 is sent
It is changed into collimated light after the first lens 2, so position of the fiber adapter 5 with respect to the second lens 4 can be adjusted again after S106
Put, up light is focused on the optical interface centre position of fiber adapter 5.
According to background technology, it is known that optical transceiver module also includes optical receiver 7, therefore foregoing assemble method also includes
S108：Test photophore 10 is lighted again, and optical receiver 7 is installed and adjusts the position of optical receiver 7；In the defeated of optical receiver 7
The optical receiver 7 is fixed when going out electric current maximum.
Optical receiver 7 is arranged on the reflected light path of the first wavelength-division multiplex filter plate 3, for receiving by the first wavelength-division multiplex
The descending collimated light that filter plate 3 reflects.In S101-S107, the optical interface of fiber adapter 5 has been positioned at the second lens 4
Focal point, so descending collimated light light path is it has been determined that need to only position optical receiver 7.After lighting test photophore 10, peace
Dress optical receiver 7 simultaneously adjusts the position of optical receiver 7, when optical receiver 7 exports maximum current, can determine that the first wavelength-division multiplex is filtered
The test light full illumination that wave plate 3 reflects can now fix optical receiver 7 on optical receiver 7.
To improve fiber optic communications bandwidth, wavelength-division multiplex technique is used in many fiber optic communication specific implementations at present.To make light
The optical signal of the separation and Extraction different-waveband of receiver 7, should also be set on the reflected light path of the first wavelength-division multiplex filter plate 3 has
Second wavelength-division multiplex filter plate 6 of corresponding passband wave band.Therefore, the assemble method of the optical transceiver module of the present embodiment also includes
S109：Second wavelength-division multiplex filter plate 6 is installed between the first wavelength-division multiplex filter plate 3 and optical receiver 7.Optionally, installation the
The step of two wavelength-division multiplex filter plates 6, is arranged between S107 and S108, certain second wavelength-division multiplex filter plate 6 also can simultaneously with
First lens 2 and the first wavelength-division multiplex filter plate 3 are installed simultaneously.
Second embodiment
Fig. 6 is optical transceiver module assemble method flow chart in second embodiment.Such as Fig. 6, light transmitting-receiving group in second embodiment
The assemble method of part comprises the following steps.
S201：Assemble the first lens 2, the second lens 4 and the first wavelength-division multiplex filter plate 3.
First using machinery positioning mode fixed first lens 2, the second lens 4 and the filtering of the first wavelength-division multiplex in the present embodiment
Piece 3 formed first assembly, wherein parallel to the optical axis of the first lens 2 light after the first wavelength-division multiplex filter plate 3 parallel to
The optical axis of second lens 4.
S202：Optical fiber splitter 9, an interface end of optical fiber splitter 9 are installed at the optical fiber interface end of fiber adapter 5
Test photophore 10 for sending test light, another interface end installation light power meter 11 of optical fiber splitter 9 are installed.
S203：In the reflected light path installation reflection filter piece 8 of the first wavelength-division multiplex filter plate 3, the reflection filter piece 8 is used
In total reflection after the second lens 4 test light of the direction of propagation parallel to the optical axis of the second lens 4.
Fig. 7 is the positioning schematic diagram of fiber adapter 5 in second embodiment.It is identical with first embodiment such as Fig. 7, this implementation
In example, optical fiber splitter 9 is arranged on the optical fiber interface end of fiber adapter 5, is connected by optical fiber and fiber adapter 5.Optical fiber
One interface end of shunt 9 is provided with test photophore 10, another interface end installation light power meter 11.Test photophore 10
The test light sent can pass through optical fiber splitter 9 and transmit to fiber adapter 5 and be exported by the optical interface of fiber adapter 5,
The light inputted by the optical interface of fiber adapter 5 can expose to light power meter 11 by optical fiber splitter 9.
Unlike first embodiment, the reflection filter piece 8 in this implementation is arranged on the first wavelength-division multiplex filter plate 3
On reflected light path.
S204：Test photophore 10 is lighted, adjusts position of the fiber adapter 5 relative to the second lens 4；In light power meter
Fiber adapter 5 is fixed during 11 power output maximum.
During fiber adapter 5 is adjusted, if the optical interface of fiber adapter 5 is located at the focal point of the second lens 4,
Test light is changed into the directional light parallel to the optical axis of the second lens 4 after the second lens 4, and directional light is filtered by the first wavelength-division multiplex
Vertical irradiation reflection filter piece 8 after wave plate 3 reflects；It is former perpendicular to the light edge that reflection filter piece 8 irradiates according to light path principle
Light path is back to the second lens 4, and light power meter 11 is exposed to after the second lens 4, fiber adapter 5 and optical fiber splitter 9.
If fiber adapter 5 optical interface not exclusively be located at the second lens 4 focal point, test light after the second lens 4 simultaneously
Not exclusively parallel to the optical axis of the second lens 4, after in test light oblique illumination to reflection filter piece 8, the test light that reflects to form
It is not to return to the second lens 4 according to original optical path.Because test light oblique illumination, on reflection filter piece 8, reflection filter piece 8 is anti-
The test light penetrated not is to return to the second lens 4 according to original optical path so that partial test light can not connect from the light of fiber adapter 5
Light power meter 11 is transported in oral instructions.Analyzed more than, if the power output of light power meter 11 is maximum, can determine that fiber adapters
The optical interface of device 5 is located at the focal position of the second lens 4, can now position fiber adapter 5.
S205：Close test photophore 10 and remove reflection filter piece 8.
After the location and installation of fiber adapter 5, test photophore 10 is temporarily without using so test photophore 10 can be closed.
After positioning of the fiber adapter 5 with respect to the second lens 4 is realized, reflection filter piece 8 is no longer used to follow-up test, and subsequently surveys
During examination reflection filter piece 8 have an effect on test light by therefore removing reflection filter piece 8.
S206：Install and light optical transmitting set 1, position of the optical transmitting set 1 relative to the first lens 2 is adjusted, in luminous power
Optical transmitting set 1 is fixed when counting 11 power output maximum.
In S206, first by the coarse positioning of optical transmitting set 1, make the light output focus of optical transmitting set 1 substantially in the first lens 2
Focal position.Then, optical transmitting set 1 is lighted, and intense adjustment optical transmitting set 1 is relative to the position of the first lens 2：Optical transmitting set
The 1 up light sent is by the first lens 2, the first wavelength-division multiplex filter plate 3, the second lens 4, fiber adapter, fiber optic splitter
Device 9 is transmitted to light power meter 11, light power meter 11 is shown corresponding power.Before the power constant of optical transmitting set 1
Put, if the light output focus of optical transmitting set 1 and the focus of the first lens 2 overlap, the power output of light power meter 11 is most
Greatly；Therefore in 11 power output maximum of light power meter, so that it may determine the light output focus and the first lens 2 of optical transmitting set 1
Focus overlaps, and now fixes optical transmitting set 1.
The assemble method for the optical transceiver module that the present embodiment provides, when assembling positions fiber adapter, light power meter
Power output is only relevant with the relative position of the second lens and fiber adapter, and fiber adapter optical interface positioned at the
The Maximum Power Output of light power meter during the focal point of two lens, so can determine that optical fiber in light power meter Maximum Power Output
Focal point of the optical interface of adapter in the second lens；When assembling positions optical transmitting set, the delivery efficiency of light power meter only with
The position of optical transmitting set and the first lens is relevant, and overlaps the time in the output focus of optical transmitting set and the focus of the first lens
The power output of power meter is maximum, so can determine that the output focus and the of reflective optical system in light power meter Maximum Power Output
The focus of one lens overlaps.The assemble method provided compared to prior art, this assemble method are able to ensure that in assembling process
The objectivity of judged result, assembling quality is inconsistent caused by avoiding assembler subjective judgement.
Further, the optical transceiver module installation method that the present embodiment provides also includes：
S207：Position of the fiber adapter 5 relative to the second lens 4 is adjusted again, and power is shown most in light power meter 11
Fiber adapter 5 is fixed when big again.
The optical transceiver module assembled using S201-S206, although the optical interface of fiber adapter 5 is located at the second lens 4
Focal point, but because the optical interface sectional dimension of fiber adapter 5 is slightly larger than spot size of the up light irradiation in optical interface, gather
Jiao is in the center position that the hot spot of the focus of the second lens 4 may not be positioned at the optical interface of fiber adapter 5, this light emitters 1
The up light sent can not be transmitted farthest into fiber adapter.And after S206, up light that optical transmitting set 1 is sent
It is changed into collimated light after the first lens 2, so position of the fiber adapter 5 with respect to the second lens 4 can be adjusted again after S206
Put, up light is focused on the optical interface centre position of fiber adapter 5, ensure that up light is farthest transmitted to optical fiber
In.
According to background technology, it is known that the optical transceiver module in the present embodiment also needs to install optical receiver 7, therefore foregoing group
Dress method may also include S208：Test photophore 10 is lighted again, and optical receiver 7 is installed and adjusts the position of optical receiver 7；
The optical receiver 7 is fixed during the output current maximum of optical receiver 7.
Optical receiver 7 is arranged on the reflected light path of the first wavelength-division multiplex filter plate 3, for receiving by the first wavelength-division multiplex
The descending collimated light that filter plate 3 reflects.In S201-S207, the optical interface of fiber adapter 5 has been positioned at the second lens 4
Focal point, so descending collimated light light path is it has been determined that need to only position optical receiver 7.After lighting test photophore 10, peace
Dress optical receiver 7 simultaneously adjusts the position of optical receiver 7, when optical receiver 7 exports maximum current, can determine that the first wavelength-division multiplex is filtered
The test light full illumination that wave plate 3 reflects can now fix optical receiver 7 on optical receiver 7.
To improve fiber optic communications bandwidth, wavelength-division multiplex technique is used in many fiber optic communication specific implementations at present.To make light
The optical signal of the separation and Extraction different-waveband of receiver 7, should also be set on the reflected light path of the first wavelength-division multiplex filter plate 3 has
Second wavelength-division multiplex filter plate 6 of corresponding passband wave band.Accordingly, the present embodiment can assemble the second ripple simultaneously when carrying out S201
Divide multiplexing filter plate 6.Certainly, in other embodiments, can also pacify before fiber adapter 5, installation optical receiver 7 is fixed again
Fill the second wavelength-division multiplex filter plate 6.
The assemble method of the optical transceiver module in the embodiment of the present invention is described in detail above.This part is using tool
Body embodiment is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this
The core concept of invention, without departing from the principles of the present invention, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under the premise of work, belongs to the scope of protection of the invention.
Claims (8)
1. a kind of assemble method of optical transceiver module, it is characterised in that comprise the following steps：
Reflection filter piece perpendicular to the second lens axis is set；
Optical fiber splitter, the interface end installation test of the optical fiber splitter are installed at the optical fiber interface end of fiber adapter
Photophore, another interface end installation light power meter of the optical fiber splitter；If the test light warp that the test photophore is sent
Cross after second lens parallel to the optical axis of second lens, then the reflection filter piece is totally reflected the test light；
The test photophore is lighted, adjusts position of the fiber adapter relative to second lens；In the smooth work(
The fiber adapter is fixed during rate meter power output maximum；
Close the test photophore and remove the reflection filter piece；First lens and the first wavelength-division multiplex filter plate are installed；
Install and light optical transmitting set, position of the optical transmitting set relative to first lens is adjusted, in the luminous power
The optical transmitting set is fixed when counting power output maximum.
2. the assemble method of optical transceiver module according to claim 1, it is characterised in that in the fixation optical transmitting set
Afterwards, it is further comprising the steps of：
Position of the fiber adapter relative to second lens is adjusted again, shows that power is maximum in the light power meter
Shi Zaici fixes the fiber adapter.
3. the assemble method of optical transceiver module according to claim 2, it is characterised in that fix the fiber adapters again
It is further comprising the steps of after device：
The test photophore is lighted again, and optical receiver is installed and adjusts the position of the optical receiver；In the light-receiving
The optical receiver is fixed during the output current maximum of device.
4. the assemble method of optical transceiver module according to claim 3, it is characterised in that；The optical transceiver module includes the
Two wavelength-division multiplex filter plates；
Before the fixed optical receiver, methods described also includes：
Second wavelength-division multiplex filter plate is installed between the first wavelength-division multiplex filter plate and the optical receiver.
5. a kind of assemble method of optical transceiver module, it is characterised in that comprise the following steps：
Assemble the first lens, the second lens and the first wavelength-division multiplex filter plate；
Optical fiber splitter is installed at the optical fiber interface end of fiber adapter, an interface end of the optical fiber splitter, which is installed, to be used for
Send the test photophore of test light, another interface end installation light power meter of the optical fiber splitter；
Reflection filter piece is installed in the reflected light path of the first wavelength-division multiplex filter plate；The reflection filter piece is used to be totally reflected
Test light of the direction of propagation parallel to second lens axis after second lens；
The test photophore is lighted, adjusts position of the fiber adapter relative to second lens；In the smooth work(
The fiber adapter is fixed during rate meter power output maximum；
Close the test photophore and remove the reflection filter piece；
Install and light optical transmitting set, position of the optical transmitting set relative to first lens is adjusted, in the luminous power
The optical transmitting set is fixed when counting power output maximum.
6. the assemble method of optical transceiver module according to claim 5, it is characterised in that after the fixed optical transmitting set,
It is further comprising the steps of：
Position of the fiber adapter relative to second lens is adjusted again, shows that power is maximum in the light power meter
Shi Zaici fixes the fiber adapter.
7. the assemble method of optical transceiver module according to claim 6, it is characterised in that：The fiber adapters are fixed again
It is further comprising the steps of after device：
The test photophore is lighted again, and optical receiver is installed and adjusts the position of the optical receiver；In the light-receiving
The optical receiver is fixed during the output current maximum of device.
8. the assemble method of optical transceiver module according to claim 7, it is characterised in that：The optical transceiver module also includes
Second wavelength-division multiplex filter plate；The assemble method is further comprising the steps of：
The second wavelength-division multiplex filtering is assembled while assembling the first lens, the second lens and the first wavelength-division multiplex filter plate
Piece；Or, fix again after the fiber adapter and the second wavelength-division multiplex filtering is installed before the optical receiver is installed
Piece.
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| CN111308619B (en) * | 2020-01-20 | 2022-04-15 | 武汉联特科技股份有限公司 | Light emitting device and coupling method thereof |
| CN112068248B (en) * | 2020-09-28 | 2022-02-08 | 四川天邑康和通信股份有限公司 | Method for assembling wavelength division multiplexing device |
| CN112198601B (en) * | 2020-12-07 | 2021-02-26 | 武汉乾希科技有限公司 | Optical path coupling method for multi-channel light receiving component |
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