CN106094118A - Tight type Wavelength-division multiplexer/demultiplexer - Google Patents
Tight type Wavelength-division multiplexer/demultiplexer Download PDFInfo
- Publication number
- CN106094118A CN106094118A CN201610606325.3A CN201610606325A CN106094118A CN 106094118 A CN106094118 A CN 106094118A CN 201610606325 A CN201610606325 A CN 201610606325A CN 106094118 A CN106094118 A CN 106094118A
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- Prior art keywords
- light
- optical block
- wave filter
- input
- tight type
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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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29371—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion
- G02B6/29373—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion utilising a bulk dispersive element, e.g. prism
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of tight type ripple demultiplexer/wavelength division multiplexer, including optical block, input and outfan, optical block includes the first side and the second side, first side is the reflecting surface reflecting light, second side is provided with several wave filter, and the light that input sends transmits in described optical block；Every time when this light reflexes to a wave filter, at least part of light leaves after optical block through outfan outgoing through wave filter, one refracting prisms are set on the second side, the light that input sends enters optical block after refracting prisms reflect, and makes the incident light of input less than 20 ° in optical block and through the angle between the light of wave filter.The present invention have simple in construction, volume little etc. advantage.
Description
Technical field
The present invention relates to a kind of tight type wavelength division multiplexer and tight type ripple demultiplexer.
Background technology
Allow two or more optical wavelength signal each be transmitted by different optical channels in same optical fiber simultaneously
Information, referred to as light WDM technology, be called for short WDM.WDM is a kind of by a series of carrying informations but the different optical signal of wavelength
Synthesize a branch of, transmit along simple optical fiber；At receiving terminal again with someway, by separate for the optical signal of each different wave length logical
Letter technology.OWDM is normally applied wavelength division multiplexer and demultiplexer (also referred to as multiplexer/demultiplexer) is respectively placed in optical fiber two
End, it is achieved the coupling of Different lightwave with separate.Along with the development of technology, the small form factor requirements for equipment is more and more higher, once
Tight type wavelength division multiplexer can be less with volume, will be a cost savings, and conveniently realize array and arrange.And be situated between to realize light
Reflecting in matter, thus realize decomposing or coupling, the most incident and outgoing light can be with certain angle, such as Chinese patent
Certain angle is existed for, for another example in United States Patent (USP) US8538210B2 between 120 and 132 in CN201280004164 accompanying drawing
Have employed and multiple transfer glass and light channel structure have too much reflection add the sensitivity of light path in product.How to eliminate
This angle and minimizing order of reflection, be that the technology that the invention solves the problems that is asked with further compression volume and minimizing light path sensitivity
Topic.
Summary of the invention
In order to solve the problems referred to above, the present invention provides tight type wavelength division multiplexer that a kind of simple in construction, volume are little and tight
Close type ripple demultiplexer.
The technical scheme is that a kind of tight type ripple demultiplexer of offer, it includes optical block, input and output
End, described optical block includes the first side and the second side, and described first side is the reflecting surface reflecting light, described the
Two side faces is provided with several wave filter, described input termination light source, the light that light source sends after described input from institute
State the second side enter described optical block and transmit in described optical block；This light is at described first side and described wave filter
Between reflect and sequentially pass through whole described wave filter；Every time when this light reflexes to wave filter described in, at least one
Some light leaves after described optical block through described outfan outgoing through described wave filter, it is characterised in that: described second side
Arranging refracting prisms on face, the light that described input sends enters described optical block after described refracting prisms reflect,
And make the incident light of described input and little through described wave filter angle between the light of described outfan outgoing
In 20 °.
Preferably, described input light and through described wave filter through the light of described outfan outgoing at described light
Learn outside block the most parallel.
Preferably, the light that described input is incident is in described optical block and passes through described wave filter through described outfan
Angle between the light of outgoing is less than 20 °.
Preferably, described first side is coated with highly reflecting films.
Preferably, described optical block be glass or other can be with the material of printing opacity.
Preferably, the angle between described input sends light and described second side facet normal is less than 30 degree.
Preferably, described input and outfan are single optical collimator, or collimator array.
The present invention also provides for a kind of tight type wavelength division multiplexer, and it includes optical block, input and outfan, described optics
Block includes the first side and the second side, and described first side is the reflecting surface reflecting light, and described second side is arranged
Several wave filter, each described wave filter is had to be respectively provided with a corresponding input；The light that whole described inputs send
Line transmits in described optical block, and reflects between described first side and described wave filter, it is characterised in that: described second
Arranging refracting prisms on side, the light that whole described light sources send all reflects tailing edge one with described through described refracting prisms
The input identical angle that emits beam leaves described refracting prisms, leaves the light of described refracting prisms and whole described inputs
Between the light that end sends, the angle in described optical block is less than 20 °.
Preferably, light that the light of described refracting prisms and whole described inputs send is left outside described optical block
The most parallel.
Preferably, described optical block be glass or other can be with the material of printing opacity, described first side is coated with high reflection
Film.
The tight type wavelength division multiplexer of the present invention adds prism and makes incident illumination and emergent light described glass blocks foreign minister
The most parallel, the volume of further compression device.The tight type wavelength division multiplexer of the present invention have simple in construction, volume little etc. excellent
Point.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of tight type ripple demultiplexer of preferred embodiment；
Fig. 2 is the structural representation of a kind of tight type wavelength division multiplexer of preferred embodiment.
Detailed description of the invention
Below the detailed description of the invention of the present invention is described in further detail.
As it is shown in figure 1, the present invention provides a kind of tight type ripple demultiplexer, it includes the optics that the glass of high printing opacity is made
Block 10, input 12 and outfan 22.Optical block 10 includes the first side 14 and the second side 16 being parallel to each other, wherein first
Side 14 is coated with highly reflecting films (not shown), is formed as the reflecting surface reflecting light.Second side 16 is provided with some
Individual wave filter 18, filters the light 8 of different wave length respectively and is reflected back by the light 8 of other wavelength.Input 12 sends
Light 8 transmits in optical block 10, and this light 8 reflects to sequentially pass through whole filters between the first side 14 and wave filter 18
Ripple device 18, is entered in outfan 22 by the light of wave filter 18.One refracting prisms 20, input are set on the second side 16
The light 8 that 12 send enters optical block 10 after refracting prisms 20 reflect, and makes light 8 that input 12 sends and pass through
Between the light 8 of wave filter 18, the angle in optical block 10 is less than 20 °, light 8 that especially input 12 sends and passing through
When the light 8 of wave filter 18 is the most parallel outside optical block 10, so that overall structure volume is minimum.Input 12 and defeated
Going out end 22 can be the adjacent composition arranged side by side of the optical collimator separated one by one, it is also possible to be a multichannel array light collimation
Device forms.
Further, the angle between input 12 sends light 8 and the second side 16 normal is less than 30 degree.
As in figure 2 it is shown, the present invention also provides for a kind of tight type wavelength division multiplexer, it includes optical block 10, input 18 and
Outfan 22.Optical block 10 includes the first side 12 and the second side 14, and the first side 12 is the reflecting surface reflecting light,
Second side 14 is provided with several wave filter 16, and each wave filter 16 is respectively provided with a corresponding input 18；The most defeated
Enter to hold 18 light 8 sent to transmit in optical block 10, and reflect between the first side 12 and wave filter 16.Second side 14
On refracting prisms 20 are set, fully enter the light 8 that send of end 18 and all reflect, through refracting prisms 20, the angle that tailing edge one is identical
Degree leaves refracting prisms 20 and enters in outfan 22, and the light 8 leaving refracting prisms 20 holds 18 light sent with fully entering
Between line 8, the angle in optical block 10 is less than 20 °, and the light 8 particularly out refracting prisms 20 holds 18 with fully entering
When the light 8 that goes out is the most parallel outside optical block, integral device volume is minimum.
Above example is only the present invention a kind of embodiment therein, and it describes more concrete and detailed, but can not
Therefore the restriction to the scope of the claims of the present invention it is interpreted as.It should be pointed out that, for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a tight type ripple demultiplexer, it includes that optical block, input and outfan, described optical block include the first side
With the second side, described first side is the reflecting surface reflecting light, and described second side is provided with several wave filter,
Described input termination light source, the light that light source sends enters described optical block also from described second side after described input
Described optical block transmits；This light reflects between described first side and described wave filter and sequentially passes through whole institutes
State wave filter；Every time when this light reflexes to wave filter described in, at least part of light leaves through described wave filter
Through described outfan outgoing after described optical block, it is characterised in that: refracting prisms, described input are set on described second side
The light that sends of end enters described optical block after described refracting prisms reflect, and make the incident light of described input and
Through described wave filter angle between the light of described outfan outgoing less than 20 °.
A kind of tight type ripple demultiplexer the most according to claim 1, it is characterised in that: the light of described input is with saturating
Cross the described wave filter light through described outfan outgoing the most parallel outside described optical block.
A kind of tight type ripple demultiplexer the most according to claim 1, it is characterised in that: the light that described input is incident
Less than 20 ° in described optical block and through described wave filter angle between the light of described outfan outgoing.
A kind of tight type ripple demultiplexer the most according to claim 1, it is characterised in that: described first side is coated with height
Reflectance coating.
A kind of tight type ripple demultiplexer the most according to claim 4, it is characterised in that: described optical block be glass or its
He can be with the material of printing opacity.
A kind of tight type ripple demultiplexer the most according to claim 1, it is characterised in that: the light that described input sends
And the angle between described second side facet normal is less than 30 degree.
A kind of tight type ripple demultiplexer the most according to claim 1, it is characterised in that: described input and outfan are equal
For single optical collimator, or collimator array.
8. a tight type wavelength division multiplexer, it includes that optical block, input and outfan, described optical block include the first side
With the second side, described first side is the reflecting surface reflecting light, and described second side is provided with several wave filter,
Each described wave filter is respectively provided with a corresponding input；The light that whole described inputs send is in described optical block
Transmission, and reflect between described first side and described wave filter, it is characterised in that: on described second side, a refraction is set
Prism, the light that whole described light sources send all emits beam phase through described refracting prisms refraction tailing edge one and described input
With angle leave described refracting prisms, leave the light of described refracting prisms and between the light that whole described input sends
Angle in described optical block is less than 20 °.
A kind of tight type wavelength division multiplexer the most according to claim 8, it is characterised in that: leave the light of described refracting prisms
Line and the light that whole described inputs send are the most parallel outside described optical block.
A kind of tight type wavelength division multiplexer the most according to claim 8, it is characterised in that: described optical block be glass or
Other can be with the material of printing opacity, and described first side is coated with highly reflecting films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606325.3A CN106094118A (en) | 2016-07-29 | 2016-07-29 | Tight type Wavelength-division multiplexer/demultiplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606325.3A CN106094118A (en) | 2016-07-29 | 2016-07-29 | Tight type Wavelength-division multiplexer/demultiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106094118A true CN106094118A (en) | 2016-11-09 |
Family
ID=57478484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606325.3A Pending CN106094118A (en) | 2016-07-29 | 2016-07-29 | Tight type Wavelength-division multiplexer/demultiplexer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008487A (en) * | 2018-01-05 | 2018-05-08 | 北极光电(深圳)有限公司 | A kind of wavelength division multiplexer |
| WO2018141275A1 (en) * | 2017-02-02 | 2018-08-09 | Alliance Fiber Optic Products, Inc. | Wavelength-division multiplexing optical assembly with increased lane density |
| US10313045B2 (en) | 2016-11-17 | 2019-06-04 | Alliance Fiber Optic Products, Inc. | Wavelength-division multiplexing optical assembly with increased lane density |
| CN110531472A (en) * | 2019-09-24 | 2019-12-03 | 武汉光迅科技股份有限公司 | A kind of light emitting devices, light receiving element and optical module |
| US11973580B2 (en) | 2021-09-30 | 2024-04-30 | Corning Research & Development Corporation | Redundant wavelength division multiplexing devices and methods for processing light using same |
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| JPS6132008A (en) * | 1984-07-25 | 1986-02-14 | Toshiba Corp | Optical multiplexer/demultiplexer |
| CN203301489U (en) * | 2013-07-05 | 2013-11-20 | 青岛海信宽带多媒体技术有限公司 | Light emitting device possessing multipath wavelength channels, light receiving element possessing multipath wavelength channels and optical module |
| CN103809255A (en) * | 2012-11-12 | 2014-05-21 | 住友电气工业株式会社 | Receiver optical module installing optical demultiplexer and method to produce optical demultiplexer |
| CN105425338A (en) * | 2015-11-10 | 2016-03-23 | 武汉电信器件有限公司 | Wavelength division multiplexing/demultiplexing component |
| CN105739025A (en) * | 2016-03-18 | 2016-07-06 | 苏州伽蓝致远电子科技股份有限公司 | Three-dimensional compact multichannel light wavelength division multiplexer with one light emergent end |
| CN105739024A (en) * | 2016-03-18 | 2016-07-06 | 苏州伽蓝致远电子科技股份有限公司 | Compact multichannel light wavelength division multiplexer with one light emergent end |
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2016
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Patent Citations (6)
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| JPS6132008A (en) * | 1984-07-25 | 1986-02-14 | Toshiba Corp | Optical multiplexer/demultiplexer |
| CN103809255A (en) * | 2012-11-12 | 2014-05-21 | 住友电气工业株式会社 | Receiver optical module installing optical demultiplexer and method to produce optical demultiplexer |
| CN203301489U (en) * | 2013-07-05 | 2013-11-20 | 青岛海信宽带多媒体技术有限公司 | Light emitting device possessing multipath wavelength channels, light receiving element possessing multipath wavelength channels and optical module |
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| CN105739025A (en) * | 2016-03-18 | 2016-07-06 | 苏州伽蓝致远电子科技股份有限公司 | Three-dimensional compact multichannel light wavelength division multiplexer with one light emergent end |
| CN105739024A (en) * | 2016-03-18 | 2016-07-06 | 苏州伽蓝致远电子科技股份有限公司 | Compact multichannel light wavelength division multiplexer with one light emergent end |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10313045B2 (en) | 2016-11-17 | 2019-06-04 | Alliance Fiber Optic Products, Inc. | Wavelength-division multiplexing optical assembly with increased lane density |
| WO2018141275A1 (en) * | 2017-02-02 | 2018-08-09 | Alliance Fiber Optic Products, Inc. | Wavelength-division multiplexing optical assembly with increased lane density |
| US10551569B2 (en) | 2017-02-02 | 2020-02-04 | Alliance Fiber Optic Products, Inc. | Wavelength-division multiplexing optical assembly with multiple collimator sets |
| CN108008487A (en) * | 2018-01-05 | 2018-05-08 | 北极光电(深圳)有限公司 | A kind of wavelength division multiplexer |
| CN108008487B (en) * | 2018-01-05 | 2020-04-21 | 北极光电(深圳)有限公司 | Wavelength division multiplexer |
| CN110531472A (en) * | 2019-09-24 | 2019-12-03 | 武汉光迅科技股份有限公司 | A kind of light emitting devices, light receiving element and optical module |
| US11973580B2 (en) | 2021-09-30 | 2024-04-30 | Corning Research & Development Corporation | Redundant wavelength division multiplexing devices and methods for processing light using same |
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