CN109031551A - A kind of integrated light-splitting device and a kind of Optical devices - Google Patents
A kind of integrated light-splitting device and a kind of Optical devices Download PDFInfo
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- CN109031551A CN109031551A CN201811179408.4A CN201811179408A CN109031551A CN 109031551 A CN109031551 A CN 109031551A CN 201811179408 A CN201811179408 A CN 201811179408A CN 109031551 A CN109031551 A CN 109031551A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 86
- 239000011248 coating agent Substances 0.000 claims abstract description 62
- 238000000576 coating method Methods 0.000 claims abstract description 62
- 230000011514 reflex Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 239000011521 glass Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001151 other effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
-
- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, 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
-
- 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
- G02B6/4295—Coupling light guides with opto-electronic elements coupling with semiconductor devices activated by light through the light guide, e.g. thyristors, phototransistors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to optical device fields, more particularly to a kind of integrated light-splitting device and a kind of Optical devices, the light-splitting device includes shell, it is located at the light input end and multiple light output ends of enclosure interior, the light-splitting device further includes the anti-reflection film and reflectance coating for being located at enclosure interior, and the anti-reflection film side is equipped with multiple left filtering units；Light is incident upon after anti-reflection film by light input end and is incident upon reflectance coating again, also, light when passing through reflectance coating each time, anti-reflection film is reflexed to by reflectance coating, and punishing in anti-reflection film is two-beam, light beam is incident upon corresponding light output end by left filtering unit, and another light beam reflexes to reflectance coating.Inside same housing, the operation of light splitting and filtering is realized, integration degree is high, and volume is saved, miniaturization purpose is reached, and, shorten the path of light to the greatest extent, realizes smaller insertion loss.
Description
Technical field
The present invention relates to optical device fields, and in particular to a kind of integrated light-splitting device and a kind of Optical devices.
Background technique
Currently, wavelength division component has powerful demand to various filtering devices and electrooptical device, and in practical application
In, filtering device and electrooptical device be all match together with use, beam splitting light is injected into filter by optical fiber wavelength division device
After part is filtered, then photoelectric conversion carried out by electrooptical device.
But with reference to Fig. 1, after light is input to the input terminal 11 of wire jumper, light beam enters lens 2, then is penetrated by filter 3
Enter photoelectric converter 4, another light beam is emitted to the input terminal 11 of next wire jumper by the output end 12 of wire jumper, until completing all
Light splitting operation.Although wire jumper, filter and photoelectric converter can integrate, it is different wire jumper, different filter and not
Same photoelectric converter can not integrate, and between each other to be independently arranged, wire jumper is attached between each other by optical fiber, then real
Now light splitting operation, integration be not high.In this way, make the volume of single unit system excessive, also, due to the limitation in space,
Cause optical fiber around fine complex process；More importantly causing insertion loss larger after repeatedly coupling, in turn resulting in
The waste of light resource.
Therefore, a kind of integrated light-splitting device and a kind of Optical devices are designed, is always those skilled in the art's weight
One of the problem of point research.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of integrated point
Optical device and a kind of Optical devices, solution light-splitting device degree of integration is not high, the excessive problem of volume.
To solve this technical problem, the present invention provides a kind of integrated light-splitting device, and the light-splitting device includes shell,
It is located at the light input end and multiple light output ends of enclosure interior, it is characterised in that: the light-splitting device further includes being located in shell
The anti-reflection film and reflectance coating in portion, the anti-reflection film side are equipped with multiple left filtering units；Light is incident upon anti-reflection film by light input end
It is incident upon reflectance coating again afterwards, also, light reflexes to anti-reflection film by reflectance coating, and in anti-reflection film when passing through reflectance coating each time
Punishment is two-beam, and light beam is incident upon corresponding light output end by left filtering unit, and another light beam reflexes to reflectance coating.
Wherein, preferred version is: the light output end includes the first light output end, the second light output end and third light output
End, the left filtering unit include the first filtering unit, the second filtering unit and third filtering unit, first filtering unit
Including the first tap filter, first tap filter and the first output end light connects, and setting is bonded with anti-reflection film, institute
Stating the second filtering unit includes the second tap filter and first wave length filter, and second tap filter and anti-reflection film paste
Setting, the first wave length filter and second output terminal light connects are closed, the third filtering unit includes second wave length filtering
Device, the second wave length filter and third output end light connects, and setting is bonded with anti-reflection film.
Wherein, preferred version is: the light-splitting device further includes and left filtering unit light connects and is located at enclosure interior
Left photoelectric conversion component, the left photoelectric conversion component include the first photodiode, the second photodiode and third light
Electric diode, first light output end are located at the input terminal of the first photodiode, and second light output end is located at second
The input terminal of photodiode, the third light output end are located at the input terminal of third photodiode.
Wherein, preferred version is: the light-splitting device further includes the multiple right filtering units for being located at reflectance coating side, described
Light is divided into two-beam when passing through reflectance coating each time, and light beam is incident upon corresponding light output end by right filtering unit, separately
Light beam is reflected into anti-reflection film.
Wherein, preferred version is: the light output end further includes that the 4th light output end, the 5th light output end and the 6th light are defeated
Outlet, the right filtering unit include the 4th filtering unit, the 5th filtering unit and the 6th filtering unit, the 4th filtering group
Part includes third tap filter, the third tap filter and the 4th light output end light connects, and is bonded and sets with reflectance coating
It sets, the 5th filtering unit includes the 4th tap filter and third wavelength filter, the 4th tap filter and anti-
Film fitting setting, the third wavelength filter and the 5th light output end light connects are penetrated, the 6th filtering unit includes the 5th
Tap filter and the 4th wavelength filter, the 5th tap filter are bonded setting, the 4th wavelength filter with reflectance coating
Wave device and the 6th light output end light connects.
Wherein, preferred version is: the light-splitting device further includes and right filtering unit light connects and is located at enclosure interior
Right photoelectric conversion component, the right photoelectric conversion component include the 4th photodiode, the 5th photodiode and the 6th light
Electric diode, the 4th light output end are located at the input terminal of the 4th photodiode, and the 5th light output end is located at the 5th
The input terminal of photodiode, the 6th light output end are located at the input terminal of the 6th photodiode.
Wherein, preferred version is: collimator is equipped between the light input end and anti-reflection film, light is injected by light input end
Collimator, then anti-reflection film is injected to from collimator.
Wherein, preferred version is: the light-splitting device further includes glass blocks, and the anti-reflection film is plated in glass blocks one side, institute
It states reflectance coating and is plated in glass blocks another side.
Wherein, preferred version is: the light that the collimator is injected is respectively 50 ° with the angular range of anti-reflection film and reflectance coating
To 70 °, the anti-reflection film and reflectance coating are set in parallel.
The present invention also provides a kind of Optical devices, the Optical devices include optical transmitting set and optical splitter as described above
Part, the optical transmitting set emit light into light input end.
The beneficial effects of the present invention are compared with prior art, the present invention is by designing a kind of integrated optical splitter
Part and a kind of Optical devices realize light splitting operation by the multiple reflections of reflectance coating, also, the light reflected passes through anti-reflection film
It injects filter again afterwards, finally light output again, photoelectric conversion is carried out using the light of output, in this way, in same housing
Portion realizes the operation of light splitting, filtering and photoelectric conversion, and integration degree is high, saves volume, reaches miniaturization purpose, and, most
The path of the shortening light of big degree, realizes smaller insertion loss.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic diagram of existing light-splitting device；
Fig. 2 is the schematic diagram of light-splitting device of the present invention；
Fig. 3 is the schematic diagram of another light-splitting device of the present invention.
Specific embodiment
Now in conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
As shown in Figures 2 and 3, the present invention provides a kind of preferred embodiment of integrated light-splitting device.
Specifically, with reference to Fig. 2, a kind of integrated light-splitting device, the light-splitting device includes shell, is located at enclosure interior
Light input end and multiple light output ends, the light-splitting device further include be located at enclosure interior anti-reflection film 21 (English be known as AR
Coating it) can be reduced with reflectance coating 22 (English is known as HR Coating), the anti-reflection film 21 in the light of reception reflection
The reflection loss of element surface, the reflectance coating 22 be highly reflecting films, can high reflection light, 21 side of anti-reflection film is equipped with
Multiple left filtering units, the light output end are consistent with the quantity of left filtering unit, it should be noted that set the left of Fig. 2
For a left side, right is the right side, but left and right described herein, is intended merely to description and facilitates done definition, and non-limiting reality
Left and right in situation, in a practical situation, the left filtering unit can also be located at the right of anti-reflection film 21.Preferably, institute
Stating light-splitting device further includes glass blocks 2 (English is known as Glass Block), and the glass blocks 2 is used as container, the anti-reflection film 21
It is plated in 2 one side of glass blocks, the reflectance coating 22 is plated in 2 another side of glass blocks, the anti-reflection film 21 and the opposition setting of reflectance coating 22.
In the present embodiment, with reference to Fig. 2, external optical transmitting set emits light, after light is incident upon anti-reflection film 21 by light input end
It is incident upon reflectance coating 22 again, also, light is when passing through reflectance coating 22 each time, anti-reflection film 21 is reflexed to by reflectance coating 22, and
The punishment of anti-reflection film 21 is two-beam, and light beam enters the left filtering unit of one, then is incident upon light output end, and another light beam reflexes to
Reflectance coating 22.In detail, light enters from light input end, and after being mapped to anti-reflection film 21 first, then directive reflectance coating 22, light are reflecting
The reflection that first time is carried out on film 22, is reflected into anti-reflection film 21 at this time, is divided into two bundles light in anti-reflection film 21, light beam enters one
Left filtering unit, which includes 1% energy, and after light is filtered, the light for selecting suitable wavelength is exported from light output end, separately
Light beam is reflected into reflectance coating 22, which includes 99% energy, and light carries out secondary reflection on reflectance coating 22, at this time
It is re-reflected into anti-reflection film 21, is again split into two-beam in anti-reflection film 21, light beam enters another left filtering unit, which includes
50% energy, after light is filtered, the light for selecting suitable wavelength is exported from light output end, is exported from light output end, another beam
Light is reflected into reflectance coating 22, which includes 50% energy, and light carries out third time reflection on reflectance coating 22, so recycles,
Until light is exported in the last one light output end.In same housing, light is turned back between anti-reflection film 21 and reflectance coating 22,
Be turn back in glass blocks 2, and at anti-reflection film 21 to light carry out light splitting operation and it is subsequent be filtered operation, realize
Miniaturization and integrated, shortens the path of light to the greatest extent, while eliminating optical fiber around fine bring limitations,
Realize smaller insertion loss.
More specifically, the light output end includes that the first light output end, the second light output end and third light are defeated with reference to Fig. 2
Outlet, the left filtering unit include the first filtering unit, the second filtering unit and third filtering unit, the first filtering group
Part includes the first tap filter 31, and first tap filter 31 is cube, first tap filter 31 and first
Output end light connects, and setting is fitted closely with anti-reflection film 21, second filtering unit includes the second tap filter 32
With first wave length filter 33, second tap filter 32 and first wave length filter 33 are cube, and described second takes out
Head filter 32 and anti-reflection film 21 fit closely setting, the first wave length filter 33 and second output terminal light connects, described
Third filtering unit includes second wave length filter 34, the second wave length filter 34 and third output end light connects, and with
Anti-reflection film 21 fits closely setting, and tap filter English is known as Tap Filter, and wavelength filter English is known as
Wavelength Filter.For light for the first time when being divided on anti-reflection film 21, the first tap filter of light beam directive 31 is described
The light that first tap filter 31 selects suitable wavelength passes through, and carries out light output in the first light output end, improper wavelength
Light is reflected into reflectance coating 22；Light second on anti-reflection film 21 when being divided, the second tap filter of light beam directive 32, and described the
The light that two tap filters 32 select suitable wavelength passes through, and directive first wave length filter 33, the first wave length filter
After 33 filter again, light output is carried out in the second light output end, the light without suitable wavelength is reflected into reflectance coating 22；Light third time
When being divided on anti-reflection film 21, due to being provided only with three groups of left filtering units, light energy is less at this time, without light splitting or a small amount of point
Light, by 21 directive second wave length filter 34 of anti-reflection film, the light that the second wave length filter 34 selects suitable wavelength passes through,
And light output is carried out in third light output end.
It should be noted that the light-splitting device may not only be set there are three light output end and three groups of left filtering units,
More light output ends and left filtering unit, such as four light output ends, four left filtering units or five light may also be equipped with
Output end, five left filtering units etc. are not intended to limit quantity herein, according to the actual situation, set certain number of light output end
With left filtering unit, the light output end must be consistent with the quantity of left filtering unit, utilizes the energy of light as far as possible, carries out light
Output.
Further, with reference to Fig. 2, the light-splitting device further includes and left filtering unit light connects and is located at enclosure interior
Left photoelectric conversion component, the left photoelectric conversion component and left filtering unit are located at the same side of anti-reflection film 21, the left light
Electric transition components include the first photodiode 41, the second photodiode 42 and third photodiode 43, photodiode
English is known as Photo-Diode, and first light output end is located at the input terminal of the first photodiode 41, first photoelectricity
Diode 41 carries out photoelectric conversion after receiving the light of output, carries out electricity output；Second light output end is located at the second light
The input terminal of electric diode 42, second photodiode 42 carry out photoelectric conversion after receiving the light of output, carry out electricity
Output；The third light output end is located at the input terminal of third photodiode 43, and the third photodiode 43 is receiving
To after the light of output, photoelectric conversion is carried out, carries out electricity output.In this way, which integrated electro is converted again in light-splitting device, improve
Degree of integration.Certainly, the light of output can also have other effects, rather than only be merely photoelectric conversion.
Further, with reference to Fig. 3, the light-splitting device further includes the multiple right filtering groups for being located at 22 side of reflectance coating
Part, it is preferable that the right filtering unit is consistent with the quantity of left filtering unit, and the reflectance coating 22 is not all by what is received
Light is all reflected, and the light is divided into two-beam, light beam enters the right filtering group of one when passing through reflectance coating 22 each time
Part, another light beam are reflected into anti-reflection film 21, utilize light energy as far as possible, are more frequently divided.
Specifically, with reference to Fig. 3, the light output end further includes that the 4th light output end, the 5th light output end and the 6th light are defeated
Outlet, the right filtering unit include the 4th filtering unit, the 5th filtering unit and the 6th filtering unit, the 4th filtering group
Part includes third tap filter 35, and the third tap filter 35 is cube, the third tap filter 35 and the 4th
Light output end light connects, and setting is fitted closely with reflectance coating 22, the 5th filtering unit includes the 4th tap filter 36
With third wavelength filter 37, the 4th tap filter 36 and third wavelength filter 37 are cube, and the described 4th takes out
Head filter 36 and reflectance coating 22 fit closely setting, the third wavelength filter 37 and the 5th light output end light connects, institute
Stating the 6th filtering unit includes the 5th tap filter 38 and the 4th wavelength filter 39, the 5th tap filter 38 and the
Four wavelength filters 39 are cube, and the 5th tap filter 38 fits closely setting, the 4th wave with reflectance coating 22
Long filter 39 and the 6th light output end light connects.When receiving light for the first time, light beam is reflected the reflectance coating 22,
To third tap filter 35, the light that the third tap filter 35 selects suitable wavelength passes through another beam light emission, and
Four light output ends are exported；When receiving light for the second time, light beam is reflected the reflectance coating 22, another beam light emission to
4th tap filter 36, the light that the 4th tap filter 36 selects suitable wavelength pass through, and directive third wavelength filtering
Device 37, the light that the third wavelength filter 37 selects suitable wavelength again pass through, and are exported in the 5th light output end；Institute
Reflectance coating 22 is stated when receiving light for the third time, light beam is reflected, and another beam light emission is described to the 5th tap filter 38
The light that 5th tap filter 38 selects suitable wavelength passes through, and the 4th wavelength filter 39 of directive, the 4th wavelength filtering
The light that device 39 selects suitable wavelength again passes through, and is exported in the 6th light output end.
Certainly, the right filtering unit may be preferably consistent with the quantity of left filtering unit not only equipped with three groups, with this
Utilize the energy of light to the greatest extent, or it is fewer than the quantity of left filtering unit, when part light emission is to reflectance coating 22, only by light into
Row reflection, the light separated do not utilize.
Again specifically, with reference to Fig. 3, the light-splitting device further includes and right filtering unit light connects and is located at enclosure interior
Right photoelectric conversion component, the right filtering unit and right photoelectric conversion component are located at the same side of reflectance coating 22, the right light
Electric transition components include the 4th photodiode 44, the 5th photodiode 45 and the 6th photodiode 46, the 4th light
Output end is located at the input terminal of the 4th photodiode 44, the 4th photodiode 44 after receiving the light of output, into
Row photoelectric conversion carries out electricity output；5th light output end is located at the input terminal of the 5th photodiode 45, the 5th light
Electric diode 45 carries out photoelectric conversion after receiving the light of output, carries out electricity output；6th light output end is located at the 6th
The input terminal of photodiode 46, the 6th photodiode 46 carry out photoelectric conversion after receiving the light of output, carry out
Electricity output.Certainly, the light of output can also have other effects, rather than only be merely photoelectric conversion.
Further, with reference to Fig. 2, collimator 1 is equipped between the light input end and anti-reflection film 21, the collimator 1 is set
It sets inside housings, light injects collimator 1 by light input end, and 1 pair of light of the collimator collimates, and light is again from collimator 1
Inject to anti-reflection film 21.Wherein, angular range of the light of the injection of collimator 1 respectively with anti-reflection film 21 and reflectance coating 22 is
50 ° to 70 °, preferably 60 °, the anti-reflection film 21 and reflectance coating 22 are set in parallel.
The present invention also provides a kind of preferred embodiments of Optical devices.
Specifically, a kind of Optical devices, the Optical devices include optical transmitting set and light-splitting device as described above, institute
It states optical transmitting set and emits light into light input end.The optical transmitting set can be set inside housings or external, be preferably located at
Enclosure interior improves integration.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
Any modification made all within the spirits and principles of the present invention, equivalent replacement, improve etc., it should be included in guarantor of the invention
It protects in range.
Claims (10)
1. a kind of integrated light-splitting device, the light-splitting device includes shell, is located at the light input end of enclosure interior and multiple
Light output end, it is characterised in that: the light-splitting device further includes the anti-reflection film and reflectance coating for being located at enclosure interior, the anti-reflection film
Side is equipped with multiple left filtering units；Light is incident upon after anti-reflection film by light input end and is incident upon reflectance coating again, also, light is each time
When by reflectance coating, anti-reflection film is reflexed to by reflectance coating, and be two-beam in anti-reflection film punishment, light beam passes through left filtering group
Part is incident upon corresponding light output end, and another light beam reflexes to reflectance coating.
2. light-splitting device according to claim 1, it is characterised in that: the light output end includes the first light output end, the
Two light output ends and third light output end, the left filtering unit include the first filtering unit, the second filtering unit and third filter
Wave component, first filtering unit include the first tap filter, and first tap filter and the first output end light connect
It connects, and is bonded setting with anti-reflection film, second filtering unit includes the second tap filter and first wave length filter, described
Second tap filter is bonded setting, the first wave length filter and second output terminal light connects, the third with anti-reflection film
Filtering unit includes second wave length filter, the second wave length filter and third output end light connects, and is pasted with anti-reflection film
Close setting.
3. light-splitting device according to claim 2, it is characterised in that: the light-splitting device further includes and left filtering unit light
Connect and be located at the left photoelectric conversion component of enclosure interior, the left photoelectric conversion component includes the first photodiode, the
Two photodiodes and third photodiode, first light output end is located at the input terminal of the first photodiode, described
Second light output end is located at the input terminal of the second photodiode, and the third light output end is located at the defeated of third photodiode
Enter end.
4. light-splitting device according to claim 3, it is characterised in that: the light-splitting device further includes being located at reflectance coating side
Multiple right filtering units, the light is divided into two-beam when passing through reflectance coating each time, and light beam is penetrated by right filtering unit
To corresponding light output end, another light beam is reflected into anti-reflection film.
5. light-splitting device according to claim 4, it is characterised in that: the light output end further include the 4th light output end,
5th light output end and the 6th light output end, the right filtering unit include the 4th filtering unit, the 5th filtering unit and the 6th
Filtering unit, the 4th filtering unit includes third tap filter, the third tap filter and the 4th light output end
Light connects, and setting is bonded with reflectance coating, the 5th filtering unit includes the 4th tap filter and third wavelength filter,
4th tap filter is bonded setting, the third wavelength filter and the 5th light output end light connects, institute with reflectance coating
Stating the 6th filtering unit includes the 5th tap filter and the 4th wavelength filter, and the 5th tap filter and reflectance coating paste
Close setting, the 4th wavelength filter and the 6th light output end light connects.
6. light-splitting device according to claim 5, it is characterised in that: the light-splitting device further includes and right filtering unit light
Connect and be located at the right photoelectric conversion component of enclosure interior, the right photoelectric conversion component includes the 4th photodiode, the
Five photodiodes and the 6th photodiode, the 4th light output end is located at the input terminal of the 4th photodiode, described
5th light output end is located at the input terminal of the 5th photodiode, and the 6th light output end is located at the defeated of the 6th photodiode
Enter end.
7. light-splitting device according to any one of claims 1 to 6, it is characterised in that: the light input end and anti-reflection film it
Between be equipped with collimator, light is by light input end injection collimator, then from collimator injects to anti-reflection film.
8. light-splitting device according to claim 7, it is characterised in that: the light-splitting device further includes glass blocks, the increasing
Permeable membrane is plated in glass blocks one side, and the reflectance coating is plated in glass blocks another side.
9. light-splitting device according to claim 8, it is characterised in that: the light that the collimator is injected respectively with anti-reflection film and
The angular range of reflectance coating is 50 ° to 70 °, and the anti-reflection film and reflectance coating are set in parallel.
10. a kind of Optical devices, it is characterised in that: the Optical devices include that optical transmitting set and such as claim 1 to 9 are any
Light-splitting device described in, the optical transmitting set emit light into light input end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179408.4A CN109031551A (en) | 2018-10-10 | 2018-10-10 | A kind of integrated light-splitting device and a kind of Optical devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179408.4A CN109031551A (en) | 2018-10-10 | 2018-10-10 | A kind of integrated light-splitting device and a kind of Optical devices |
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| CN109031551A true CN109031551A (en) | 2018-12-18 |
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| CN201811179408.4A Pending CN109031551A (en) | 2018-10-10 | 2018-10-10 | A kind of integrated light-splitting device and a kind of Optical devices |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219678A (en) * | 1997-06-26 | 1999-06-16 | 康宁股份有限公司 | Cascaded optical multiplexing devices |
| CN1588148A (en) * | 2004-09-09 | 2005-03-02 | 上海交通大学 | Tunable wave length selection/locking light dense wave division complex combining wave/channel splitting filter |
| CN108627920A (en) * | 2017-03-16 | 2018-10-09 | 波若威科技股份有限公司 | Multichannel wavelength division multiplexing/demultiplexing device |
| CN208752253U (en) * | 2018-10-10 | 2019-04-16 | 昂纳信息技术（深圳）有限公司 | A kind of integrated light-splitting device and a kind of Optical devices |
-
2018
- 2018-10-10 CN CN201811179408.4A patent/CN109031551A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219678A (en) * | 1997-06-26 | 1999-06-16 | 康宁股份有限公司 | Cascaded optical multiplexing devices |
| CN1588148A (en) * | 2004-09-09 | 2005-03-02 | 上海交通大学 | Tunable wave length selection/locking light dense wave division complex combining wave/channel splitting filter |
| CN108627920A (en) * | 2017-03-16 | 2018-10-09 | 波若威科技股份有限公司 | Multichannel wavelength division multiplexing/demultiplexing device |
| CN208752253U (en) * | 2018-10-10 | 2019-04-16 | 昂纳信息技术（深圳）有限公司 | A kind of integrated light-splitting device and a kind of Optical devices |
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