CN208110107U - A kind of multi-wave band laser optical module based on WDM - Google Patents
A kind of multi-wave band laser optical module based on WDM Download PDFInfo
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- CN208110107U CN208110107U CN201721509668.4U CN201721509668U CN208110107U CN 208110107 U CN208110107 U CN 208110107U CN 201721509668 U CN201721509668 U CN 201721509668U CN 208110107 U CN208110107 U CN 208110107U
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Abstract
A kind of multi-wave band laser optical module based on WDM, it includes a shell, the optical fiber component of one setting in the housing, one horizontal laser light optical module, multiple vertical laser optical modules, multiple wavelength division multiplexers corresponding with the vertical laser optical module and first collimation lens.First collimation lens is arranged in the first sleeve for will be emitted after incident beam collimation and inject the optical fiber component.The multi-wave band laser optical module based on WDM is conducive to for a horizontal laser light optical module and multiple vertical laser optical modules being incorporated into a package assembly, and each laser optic assemblies includes two laser generators, so as to which the laser of multi-wavelength is combined.Simultaneously by the use of first collimation lens, so that the light beam for one and the center overlapping of axles of first sleeve also can be finally collimated using wavelength division multiplexers more again, so as to enter the light beam after the collimation in optical fiber component.
Description
Technical field
The utility model relates to optical communication fields, especially swash for a kind of multiband based on WDM of high speed optical communication
Light optical module.
Background technique
With being widely used for smart phone, high-definition television and other bandwidth optical signals, current optic network ratio
Ever is all with greater need for the rapid growth for adapting to optic communication rate.In numerous selections, it is using more optical fiber
Wherein one of simplest method, however, this method will need to install more additional optical fiber and hardware facility, this will necessarily
Cause cost to increase considerably and need bigger installation space, this is clearly inappropriate.Another selection is to improve list
The transmission speed of carrier wave.However, this method will be related to expensive HardwareUpgring, and face more technological challenges, at present this
Kind technology is also not have industrialization production.The third method is by the Signal averaging of more different wave lengths to existing fiber
On, this method does not need to install new optical fiber, does not need to carry out small hardware modifications yet, and it is empty not need bigger installation more
Between.Therefore, it is more economical and quick solution, and expands the main path of existing network dilatation at present.In order to incite somebody to action
Multiple wavelength signals are input in single optical fiber, and the laser of different wave length must be encapsulated in together, and be combined into single
Optical fiber.Therefore, one kind is used to for multi wave length illuminating source being added on existing fiber and the lower optical module of cost will become its pass
Key technology.
Utility model content
In view of this, it is necessary to provide a kind of multi-wave band laser optics groups based on WDM suitable for wafer-level package
Part, to meet the demand.
A kind of multi-wave band laser optical module based on WDM includes a shell, the light of a setting in the housing
Fine component, a horizontal laser light optical module, multiple vertical laser optical modules are multiple with the vertical laser optical module phase
Corresponding wavelength division multiplexer and first collimation lens.The shell includes one for accommodating the optical fiber component
First sleeve, one is used to accommodate the second sleeve of the multiple wavelength division multiplexer, and one for accommodating the horizontal laser light light
The horizontal accommodating cavity of component is learned, it is multiple for accommodating the vertical accommodating cavity of vertical laser optical module.The optical fiber component setting
Along the light of the optical fiber sleeve being axially arranged in the first sleeve and including an optical fiber sleeve and at least one
It is fine.The horizontal laser light optical module and vertical laser optical module composition having the same and structure simultaneously respectively include one
A pedestal, a first laser device being arranged on the pedestal, a second laser being arranged on the pedestal, and
One optical polarization beam combiner being arranged on the pedestal.The pedestal includes an ontology, and one is provided with the ontology
First receiving cartridge upper and for the second laser to be arranged, one opens up on the body and for the polarization to be arranged
Second receiving cartridge of beam combiner and one are for being arranged the mounting table of the first laser device.First receiving cartridge
It is coaxially disposed with second receiving cartridge.The mounting table includes the center for extending perpendicularly to second receiving cartridge
The table top of axis and an inclined-plane being connected with the table top.The table top along the optical fiber set to axial thickness be less than institute
The axial length of the second receiving cartridge is stated, and the free side of the table top is overlapped with the side wall of second receiving cartridge.The inclined-plane with
The angle of the table top is obtuse angle and is arranged with second receiving cartridge interval.The first laser device includes one and is arranged in institute
The first laser generator on table top is stated, first monitor photo-diode being arranged on the inclined-plane and one wear
Cross the first conductor of the ontology of the pedestal.In the light and second receiving cartridge that the first laser generator is emitted
Mandrel is vertical.The second laser includes the substrate being housed in first receiving cartridge, and one is arranged in the base
Second laser generator and one and the second laser generator spaced second monitoring two pole of photoelectricity on plate
Pipe.Light that the light that the second laser generator is emitted is emitted perpendicular to the first laser generator and with it is described
The center overlapping of axles of second receiving cartridge.The second monitor photo-diode setting is on the substrate.The light beam group
Clutch is arranged in second receiving cartridge.The reflecting surface of the optical polarization beam combiner occurs for receiving the first laser
The emergent light of device, the plane of incidence of the optical polarization beam combiner are used to receive the emergent light of the second laser generator.It is described
Collimator lens assembly includes second collimation lens.Second collimation lens includes an optical axis, the horizontal laser light optics
The outgoing light direction of component and the center overlapping of axles of optical axis and the second sleeve, the emergent light of the vertical laser optical module
Direction and optical axis are vertical with the outgoing light direction of the horizontal laser light optical module and optical axis.The wavelength division multiplexer is arranged in institute
It states in second sleeve and its quantity is corresponding with the quantity of vertical laser optical module.The wavelength division multiplexer includes one first
The plane of incidence and second plane of incidence, the angle between first plane of incidence and the central axis of the second sleeve are 45 degree,
The angle of the outgoing light direction and optical axis of second plane of incidence and the vertical laser optical module is 45.Described first is quasi-
Straight lens are arranged in the first sleeve for will be emitted after incident beam collimation and inject the optical fiber component.
Further, the wavelength of the emergent light of the vertical laser optical module and the horizontal laser light optical module go out
The wavelength for penetrating light is equal.
Further, the wavelength of the emergent light of the vertical laser optical module and the horizontal laser light optical module go out
The wavelength for penetrating light differs.
Further, the wavelength of the emergent light of each vertical laser optical module is equal.
Further, the collimator lens assembly includes a lens mounting base, and second collimation lens is arranged in institute
It states in lens mounting base.
Further, the center overlapping of axles of the extending direction of the optical fiber and the optical fiber sleeve.
Further, the wavelength of the emergent light of each vertical laser optical module differs.
Further, the wave of the emergent light of the wavelength and second laser generator of the emergent light of the first laser generator
Length is identical or different.
Compared with prior art, the multi-wave band laser optical module provided by the utility model based on WDM is conducive to one
A horizontal laser light optical module and multiple vertical laser optical modules are incorporated into a package assembly, and each laser optics
Component includes two laser generators, so as to combine the laser of multi-wavelength.It is quasi- by described first simultaneously
The use of straight lens, so that also can finally collimate the central axis weight for one with first sleeve using wavelength division multiplexers more again
The light beam of conjunction, so as to enter the light beam after the collimation in optical fiber component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the multi-wave band laser optical module provided by the utility model based on WDM.
Specific embodiment
Specific embodiment of the utility model is further elaborated below.It should be understood that herein to this
The explanation of utility model embodiment is not used to limit the protection scope of the utility model.
As shown in Figure 1, it is that a kind of structure of the multi-wave band laser optical module based on WDM provided by the utility model is shown
It is intended to.The multi-wave band laser optical module based on WDM includes a shell 10, the light being arranged in the shell 10
Fine component 20, a horizontal laser light optical module 30, multiple vertical laser optical modules 40, the multiple and vertical laser optics
The corresponding wavelength division multiplexer 50 of component 40 and first collimation lens 60.It is envisioned that described based on WDM's
Multi-wave band laser optical module further includes other some functional structures, such as power supply, conducting wire, mounting assembly, control assembly etc.,
Which is a technique known to those skilled in the art, is no longer described in detail one by one herein.
The shell 10 can be a tubular, can also be with square, with shape phase possessed by position to be mounted
It adapts to, but the shell 10 can must accommodate the optical fiber component 20 and horizontal laser light optical module 30 and multiple vertical first
Subject to straight laser optic assemblies 40 and wavelength division multiplexer 50.The shell 10 can be made of plastics, and can also be made of metal.
In the present embodiment, the shell 10 is a plastic cylinder shape structure, and including a first sleeve 11, one with this first
The connection of sleeve 11 and coaxial second sleeve 12, one is connected to and coaxial horizontal accommodating cavity 13 with the second sleeve 12, and
It is multiple to be connected to the second sleeve 12 and the vertical accommodating cavity 14 of central axis.First, second sleeve 11,12 and
The specific structure and effect of horizontal accommodating cavity 13 and vertical accommodating cavity 14 can be below in connection with the optical fiber components 20, horizontal laser light
Component 30, vertical laser optical module 40 and wavelength division multiplexer 50 are described in detail together.The second sleeve 12 is hung down with described
The intersection of straight breakthrough chamber 14 is provided with a right angled triangle portion 121, and the wavelength division multiplexer 50 is arranged at the right angle three
On the bevel edge of horn-like part 121, the angle between the bevel edge and the central axis of the second sleeve 12 is 45 degree.
The optical fiber component 20 includes that an optical fiber sleeve 21 and at least one are set along the axial direction of the optical fiber sleeve 21
The optical fiber 22 set.The optical fiber sleeve 21 is arranged in the first sleeve 11, therefore the outer diameter of the optical fiber sleeve 21 and institute
The internal diameter for stating first sleeve 11 is suitable.In order to fix the relative position of the optical fiber sleeve 21 and first sleeve 11, in the light
The viscose glues such as epoxy resin can be coated between fine sleeve 21 and first sleeve 11 to fix.When the optical fiber sleeve 21 with it is described outer
When shell 10 is made of metal material, it can also be fixed by welding manner.The axial length of the optical fiber sleeve 21 can be with institute
The axial length for stating first sleeve 11 is equal, can also be unequal.In order to adapt to the transmission of light, the court of the optical fiber sleeve 21
There is an inclined-plane to the side of the inside of the shell 10.
The horizontal laser light optical module 30 and the structure having the same of vertical laser optical module 40, therefore, herein only
Its structure and working principle is described in detail to one of vertical laser optical module 40.The vertical laser optical module
40 include a pedestal 41, and a first laser device 42 being arranged on the pedestal 41, one is arranged on the pedestal 41
Second laser 43, an optical polarization beam combiner 44 being arranged on the pedestal 41 and one are arranged in the base
Collimator lens assembly 45 on seat 41.It is envisioned that the laser module 40 further includes other some functional units,
Such as conducting wire, connecting element, power supply module etc. is no longer described in detail one by one herein.
The pedestal 41 includes an ontology 411, and one is provided on the ontology 411 and swashs for being arranged described second
First receiving cartridge 412 of light device 43, one is provided on the ontology 411 and for the optical polarization beam combiner 44 to be arranged
The second receiving cartridge 413 and one for the mounting table 414 of the first laser device 42 to be arranged.The ontology 411 can be by
Plastics or metal are made.In the present embodiment, in order to reduce cost and improve insulation performance, the ontology 411 is by plastic injection
It forms.The whole ontology 411 can be a cylinder, and each functional structure is then opened up on the cylinder.The pedestal
41 are housed in the vertical accommodating chamber 13, can also be fixed by viscose glues such as epoxy resin.It will, of course, be appreciated that
It can also be fixed by welding manner.First receiving cartridge 412 and the second receiving cartridge 413 are coaxially disposed.Described first,
The structure of two receiving cartridges 412,413 and effect can below along with the second laser 43 and optical polarization beam combiner 44 together into
Row explanation.The mounting table 414 is for placing the first laser device 42 and extending perpendicularly to described second including one
The table top 4141 of the central axis of receiving cartridge 413 and an inclined-plane 4142 being connected with the table top 4141.The table top 4141
Be less than the axial length of second receiving cartridge 413 along the axial thickness of the optical fiber sleeve 21, and the table top 4141 from
It is overlapped by side with the side wall of second receiving cartridge 413.The inclined-plane 442 and the angle of the table top 4141 be obtuse angle and with institute
State the setting of the second receiving cartridge 413 interval.
The first laser device 42 include a first laser generator 421 being arranged on the table top 4141, one
The ontology 411 that the first monitor photo-diode 422 on the inclined-plane 4142 and one pass through the pedestal 41 is set
First conductor 423.The first laser generator 421 can be a semiconductor laser.It is well known that semiconductor swashs
Light device is also referred to as semiconductor laser diode or abbreviation laser diode (Laser Diode, LD).Semiconductor laser be with
Certain semiconductor material works substance and generates the device of stimulated emission effect, its working principle is that passing through certain excitation
Mode, between the energy band (conduction band and valence band) of semiconductor substance or the energy band of semiconductor substance (acceptor applies with impurity
It is main) between energy level, realize the population inversion of nonequilibrium carrier, when a large amount of electronics in population inversion state and empty
Cave compound tense just generates stimulated emission effect.The first laser generator 421 is a kind of prior art and is art technology
Known by personnel, details are not described herein.The light that the first laser generator 421 is emitted is perpendicular to second receiving cartridge
413 central axis, principle can be specifically described below.First monitor photo-diode 422 is used for through monitoring institute
It states the performance of first laser generator and adjusts output power in real time to realize the optimum performance and output of product.In practical application
Being is the light that first laser generator 421 is controlled by the electric current and adjusting temperature and power source change of monitor photodiode
Learn performance.The structure and working principle of first monitor photo-diode 422 itself should be those skilled in the art and is practised
Know, details are not described herein.First monitor photo-diode 422 be arranged on the inclined-plane 4142 and with the first laser
Generator 421 is electrically connected.First monitor photo-diode 422 facilitates due to being arranged on the inclined-plane 4142 into one
Step reduces the structure of the first laser device 42, because of the first laser generator 421 and the first monitoring light under normal conditions
Electric diode 422 is arranged in one plane.First conductor 423 pass through the pedestal 41 ontology 311 with it is outer
Boundary's power supply (not shown) is electrically connected, to obtain electric power.
The second laser 43 has essentially identical electronic component with the first laser device 42, that is, includes one
The substrate 431 being housed in first receiving cartridge 412, a second laser generator being arranged on the substrate 431
432 and one with spaced second monitor photo-diode 433 of the second laser generator 432 and a use
The second conductor 434 of electric power is provided in the second laser generator 432 and the second monitor photo-diode 433.The substrate
431 have the shape essentially identical with first receiving cartridge 412, allow it to be contained in first receiving cartridge 412.Institute
It states substrate 431 and the connection method of a receiving cartridge 412 viscose glues such as epoxy resin can be used and come be bonded, weldering can also be passed through
It the methods of connects to be fixedly connected.The second laser generator 432 and the second monitor photo-diode 433 have and the laser
Generator 421 and the identical structure and working principle of the first monitor photo-diode 422, details are not described herein.Described second swashs
Optical generator 432 and the second monitor photo-diode 433 are all arranged on the substrate 431.The second laser generator 432
Light that the light emitted is emitted perpendicular to the first laser generator 421 and in second receiving cartridge 413
Mandrel is overlapped.Second conductor 434 electrically connects with the second laser generator 432 with the second monitor photo-diode 433
It connects, to provide electric power for the second laser 43.
As shown in Figure 1, the vertical laser component 40 further includes what first, second laser 42,43 shared
Power circuit conductor 46.The return conductors 46 and first conductor 423 and the second conductor 434 are formed together an electric power and return
Road, to form a complete circuit.
The optical polarization beam combiner 44 is arranged in second receiving cartridge 413.It is well known that light beam group
The function of clutch 44 be by two beam polarization directions it is orthogonal linearly polarized light synthesis it is a branch of, structure and working principle be this field
Known by technical staff, no longer it is described in detail herein.The optical polarization beam combiner 44 includes that a reflecting surface 441 and one enter
Penetrate face 442.The reflecting surface 441 is used to receive the emergent light of the first laser generator 421, and reflects the P-polarized light, institute
The plane of incidence 442 is stated for receiving the emergent light of the second laser generator 432, and passes through the S polarized light.Therefore described first
Laser generator 421 emits P-polarized light, and second laser generator 432 emits S polarized light.The P-polarized light and S polarized light warp
Beam of laser will be synthesized after crossing the optical polarization beam combiner 44.In order to make what is synthesized by the optical polarization beam combiner 44 to swash
Light enters the wavelength division multiplexer 50, and the emergent light of the optical polarization beam combiner 44 and the central axis of the second sleeve 12 hang down
Directly.It is envisioned that the outgoing of the wavelength of the emergent light of the first laser generator 421 and second laser generator 432
The wavelength of light is identical or different, will all synthesize a laser by the optical polarization beam combiner 44.The vertical laser component
40 emergent light is the emergent light that synthesizes of the laser caused by first, second laser generator 421,432, and in order to
Reach and be blended in wavelength division multiplexer 40, the central axis of the emergent light of the vertical laser optical module 40 and the second sleeve 12 hangs down
Directly.
The collimator lens assembly 45 is used to be converted to the emergent light of the optical polarization beam combiner 44 a branch of substantially flat
Row light beam, in favor of importeding into the optical fiber 22 of the optical fiber component 20.The collimator lens assembly 45 includes a lens peace
Fill seat 451, second collimation lens 452 being arranged in the lens mounting base.In the present embodiment, the lens installation
Seat 451 is set up directly on the pedestal 41.Second collimation lens 452 can be a plano-convex lens, and including one
Optical axis 453.The center overlapping of axles of the optical axis 453 and the second sleeve 12, to be conducive to going out second collimation lens 452
Light is penetrated to imported into the wavelength division multiplexer 50.
The optical axis of the collimation lens (not indicating) of the horizontal laser light optical module 30 and the center of the second sleeve 12
Overlapping of axles, and the central axis of the optical axis 453 of the second collimation lens 452 of vertical laser optical module 40 and the second sleeve 12
Vertically.The wavelength of the emergent light of the horizontal laser light optical module 30 can be with the emergent light of the vertical laser optical module 40
Wavelength it is equal can also be unequal.
The wavelength division multiplexer 50 is arranged in the right angle trigonometry portion 121 of the second sleeve 12, and has one first
The plane of incidence 51 and second plane of incidence 52.Angle between first plane of incidence 51 and the central axis of the second sleeve 12
It is 45 degree, the angle between second plane of incidence 52 and the central axis of the second sleeve 12 is 45 degree.It is well-known
It is that the wavelength division multiplexer WDM40 (Wavelength Division Multiplexing) is by two or more different waves
Long optical carrier (carrying various information) merges in one through multiplexer (also known as wave multiplexer, Multiplexer) in transmitting terminal
It rises, and is coupled to the technology transmitted in the same root optical fiber of optical link.And in receiving end, demultiplexed device (also known as partial wave
Device or demultiplexer, Demultiplexer) light carrier of various wavelength is separated, then made by photoreceiver further
Reason is to restore original signal.The technology of this simultaneous transmission in same root optical fiber two or numerous different wave length optical signals, referred to as
Wavelength-division multiplex.It is very sensitive to beam incident angle for wavelength division multiplexer 40, therefore, the method for fixed setting, and enter
The direction for penetrating light is all extremely important.
First collimation lens 60 can be arranged directly in the first sleeve 11, for by incident beam collimation
After be emitted and inject in the optical fiber component 20.Because should be had based on the multi-wave band laser optical module of WDM multiple vertical sharp
Light optical module 40, due to the limitation of machining accuracy, it is difficult to guarantee by multiple wavelength division multiplexers 50 treated emergent light all with
Therefore the center overlapping of axles of first sleeve 11 are again gone out multiple wavelength division multiplexers 50 by first collimation lens 60
The light collimation penetrated is a branch of emergent light with the center overlapping of axles of the first sleeve 11, in favor of being input to the optical fiber component
In 20.
Compared with prior art, the multi-wave band laser optical module provided by the utility model based on WDM is conducive to one
A horizontal laser light optical module 30 and multiple vertical laser optical modules 40 are incorporated into a package assembly, and each laser
Optical module includes two laser generators, so as to combine the laser of multi-wavelength.Pass through described the simultaneously
The use of collimating lens 60, so that also can finally be collimated using wavelength division multiplexers 50 more again as one and first sleeve 11
Center overlapping of axles light beam, so as to which the light beam after the collimation is entered in optical fiber component 20.
The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.
Claims (5)
1. a kind of multi-wave band laser optical module based on WDM, it is characterised in that：The multi-wave band laser optics based on WDM
Component includes a shell, a setting optical fiber component in the housing, and a horizontal laser light optical module is multiple vertical
Laser optic assemblies, multiple wavelength division multiplexers corresponding with the vertical laser optical module and one first collimation are saturating
Mirror, the shell include one for accommodating the first sleeve of the optical fiber component, and one multiple for accommodating the multiple wavelength-division
With the second sleeve of device, one is used to accommodate the horizontal accommodating cavity of the horizontal laser light optical module, multiple vertical for accommodating
The vertical accommodating cavity of laser optic assemblies, the second sleeve are provided with a right angle three with the intersection of the vertical accommodating cavity
Horn-like part, the optical fiber component are arranged in the first sleeve and including an optical fiber sleeve and at least one described in
The optical fiber of optical fiber sleeve being axially arranged, the horizontal laser light optical module and the vertical laser optical module are having the same
Composition and structure simultaneously respectively include a pedestal, a first laser device being arranged on the pedestal, and one is arranged described
Second laser on pedestal, an optical polarization beam combiner being arranged on the pedestal and a setting are in the base
Collimator lens assembly on seat, the pedestal include an ontology, and one opens up on the body and for being arranged described the
First receiving cartridge of dual-laser device, second receipts opened up on the body and for the optical polarization beam combiner to be arranged
For the mounting table of the first laser device to be arranged, first receiving cartridge and second receiving cartridge are same by volumetric cylinder and one
Axis setting, the mounting table include the central axis for extending perpendicularly to second receiving cartridge table top and one
The inclined-plane being connected with the table top, the table top along the optical fiber set to axial thickness be less than the axial direction of second receiving cartridge
Length, and the free side of the table top is overlapped with the side wall of second receiving cartridge, the angle of the inclined-plane and the table top is blunt
Angle and with second receiving cartridge interval be arranged, the first laser device includes the first laser being arranged on the table top
Generator, first monitor photo-diode being arranged on the inclined-plane and an ontology across the pedestal
First conductor, the central axis of light and second receiving cartridge that the first laser generator is emitted, described second
Laser includes the substrate being housed in first receiving cartridge, and the second laser of a setting on the substrate occurs
Device and one and spaced second monitor photo-diode of the second laser generator, the second laser occur
The light that the light that device is emitted is emitted perpendicular to the first laser generator and the central axis with second receiving cartridge
It is overlapped, on the substrate, the optical polarization beam combiner is arranged described second for the second monitor photo-diode setting
In receiving cartridge, the reflecting surface of the optical polarization beam combiner is used to receive the emergent light of the first laser generator, described inclined
The plane of incidence of vibration beam combiner is used to receive the emergent light of the second laser generator, and the collimator lens assembly includes one
A second collimation lens, second collimation lens include an optical axis, the outgoing light direction of the horizontal laser light optical module and
The center overlapping of axles of optical axis and the second sleeve, the outgoing light direction and optical axis and the water of the vertical laser optical module
The outgoing light direction and optical axis of flat laser optic assemblies are vertical, and the wavelength division multiplexer is arranged in the second sleeve and it is counted
Amount is corresponding with the quantity of vertical laser optical module, and the wavelength division multiplexer includes that first plane of incidence and one second enter
Face is penetrated, the angle between first plane of incidence and the central axis of the second sleeve is 45 degree, second plane of incidence and institute
The angle of the outgoing light direction and optical axis of stating vertical laser optical module is 45 degree, and first collimation lens setting is described the
For will be emitted and inject the optical fiber component after incident beam collimation in one sleeve, the vertical laser optical module goes out
The wavelength for penetrating the wavelength of light and the emergent light of the horizontal laser light optical module differs, and the wavelength division multiplexer setting is described straight
On the bevel edge of angle triangular portion, the angle between the bevel edge and the central axis of the second sleeve is 45 degree.
2. as described in claim 1 the multi-wave band laser optical module based on WDM it is characterized in that：Each is described vertical sharp
The wavelength of the emergent light of light optical module is equal.
3. the multi-wave band laser optical module based on WDM as described in claim 1, it is characterised in that：The collimation lens set
Part includes a lens mounting base, and second collimation lens is arranged in the lens mounting base.
4. the multi-wave band laser optical module based on WDM as described in claim 1, it is characterised in that：The extension of the optical fiber
The center overlapping of axles in direction and the optical fiber sleeve.
5. the multi-wave band laser optical module based on WDM as described in claim 1, it is characterised in that：Each is described vertical
The wavelength of the emergent light of laser optic assemblies all differs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509668.4U CN208110107U (en) | 2017-11-14 | 2017-11-14 | A kind of multi-wave band laser optical module based on WDM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509668.4U CN208110107U (en) | 2017-11-14 | 2017-11-14 | A kind of multi-wave band laser optical module based on WDM |
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| Publication Number | Publication Date |
|---|---|
| CN208110107U true CN208110107U (en) | 2018-11-16 |
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ID=64130406
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721509668.4U Expired - Fee Related CN208110107U (en) | 2017-11-14 | 2017-11-14 | A kind of multi-wave band laser optical module based on WDM |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952833A (en) * | 2020-07-15 | 2020-11-17 | 武汉云岭光电有限公司 | Multi-laser structure and high-speed small-sized transceiver |
| WO2021232779A1 (en) * | 2020-05-18 | 2021-11-25 | 深圳市埃尔法光电科技有限公司 | Wavelength division multiplexing optical communication device |
| CN116155383A (en) * | 2023-01-13 | 2023-05-23 | 讯芸电子科技(中山)有限公司 | Single-fiber multi-task transmission system |
-
2017
- 2017-11-14 CN CN201721509668.4U patent/CN208110107U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232779A1 (en) * | 2020-05-18 | 2021-11-25 | 深圳市埃尔法光电科技有限公司 | Wavelength division multiplexing optical communication device |
| CN111952833A (en) * | 2020-07-15 | 2020-11-17 | 武汉云岭光电有限公司 | Multi-laser structure and high-speed small-sized transceiver |
| CN116155383A (en) * | 2023-01-13 | 2023-05-23 | 讯芸电子科技(中山)有限公司 | Single-fiber multi-task transmission system |
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