CN205941977U - Take parallel channel interval conversion functions's wavelength division multiplexer and demultiplexer - Google Patents
Take parallel channel interval conversion functions's wavelength division multiplexer and demultiplexer Download PDFInfo
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- CN205941977U CN205941977U CN201620908668.0U CN201620908668U CN205941977U CN 205941977 U CN205941977 U CN 205941977U CN 201620908668 U CN201620908668 U CN 201620908668U CN 205941977 U CN205941977 U CN 205941977U
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Abstract
The utility model discloses a take parallel channel interval conversion functions's wavelength division multiplexer and demultiplexer, wavelength division multiplexer include wavelength devision multiplex subtotal parallel channel interval conversion portion, and demultiplexer includes that the wave length division separates multiplexing subtotal parallel channel interval conversion portion, parallel channel interval conversion portion at least including a set of complete reflective surface, every group complete reflective surface comprises the complete reflective surface of two parallel placements, and all complete reflective surfaces become corresponding contained angle with the parallel rays, wherein a branch of light in the parallel rays is through first complete reflective surface reflection back, incide on the second complete reflective surface of parallel placement, jet out after the total reflection, the parallel interval that jets out in back and the parallel rays a branch of light of transmitting along former way is made adjustment, accomplish beam's interval transform. The utility model discloses the whole thickness and the width of device can be compressed by a wide margin, the passageway interval is made up at will. Processing is simple, the easily production, and the optical device and the optical module that especially are fit for compact structure use.
Description
Technical field
The utility model is related to optical device, fiber optic communication field, wavelength-division optic communication (WDM) network, and more particularly, to one kind should
Wavelength-division multiplex optical device for the cramped construction in high speed optical communication device, module and system and Wave Decomposition multiplexed optical device
Part.
Background technology
Result in the solid demand to broadband for the world market from the construction of cloud computing, data center, mobile Internet etc.,
Optical communication network employs enormous bandwidth resource and the fiber medium of excellent transmission performance, can meet ever-increasing number
Requirement according to business, Internet resources etc..Key core device as high speed optical fiber communication and technology, development can support
The optical device of 100Gb/s, 400Gb/s and its faster transfer rate becomes the emphasis of global development and investment.Industry is adopted at present
Solution is the method using collimating optics, and the optical signal of relatively low for multichannel transfer rate is multiplexed into an optical fiber
In, such as 40Gb/s be exactly by 4 road 10Gb/s transfer rates, have different wave length optical signal be multiplexed in an optical fiber pass
Defeated, or the optical signal of 40Gb/s speed is demultiplexed into the 10Gb/s optical signal that 4 tunnels have the parallel transmission of different wave length.
Therefore, how to realize minimize, low cost 40Gb/s, 100Gb/s and faster transfer rate parallel transmission optical device become
For the most important thing, in these optical devices, the wavelength-division multiplex demultiplexing optical device of structure compact to design is key skill therein
One of art.And wherein interchannel spacing is the key technology of structure compact to design.In particular, in that in optical device, electronic receipt core
The spacing of piece or each passage of transmitting chip with the spacing of each passage closed in wavelength-division wave structure and differs.Therefore enter row of channels
Spacing conversion is very important.
Content of the invention
The purpose of this utility model be directed to the above-mentioned market demand it is proposed that a kind of with parallel channel spacing translation function
Wavelength-division multiplex and Deplexing apparatus, of the present utility model with low cost, process is simple is it is easy to produce in enormous quantities.
The technical solution of the utility model is：
With the wavelength division multiplexer of parallel channel spacing translation function, comprise wavelength-division multiplex part and the conversion of parallel channel spacing
Part,
Described Wavelength Division Multiplexing portion subpackage contains：There is the carrier of two parallel surfaces；Supported parallel face is become with parallel entrance beam
Corresponding angle, two parallel surfaces of carrier are placed with reflector plate and band pass filter respectively；Parallel distance is d1Parallel incidence
Light beam, is incident in reflector plate and corresponding band pass filter and forms ejection, penetrate from carrier exit portal after being multiplexed into light beam
Go out；
It is characterized in that：Described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, every group of total reflection
Face is made up of two fully reflecting surfaces being placed in parallel, and all fully reflecting surfaces become corresponding angle to parallel rays, parallel rays
Light beam initial separation is d2；Wherein light beam in parallel rays, after first fully reflecting surface reflects, incides parallel putting
On second fully reflecting surface put, project after total reflection, parallel with the light beam of parallel rays Zhong Yanyuan road transmission after injection
Spacing is adjusted to d1, complete the spacing conversion of collimated light beam.
Described collimated light beam initial separation d2With collimated light beam spacing d after adjustment1Differ.
A parallel surface on the carrier of wavelength-division multiplex part is placed with equidistant band pass filter.
Another parallel surface on the carrier of wavelength-division multiplex part is placed with equidistant reflector plate.
With the Wave decomposing multiplexer of parallel channel spacing translation function, comprise wavelength-division de-multiplex section and parallel channel spacing
Conversion portion,
Described wavelength-division de-multiplex section comprises：There is the carrier of two parallel surfaces；Supported parallel face and parallel entrance beam
Become corresponding angle, two parallel surfaces of carrier are placed with reflector plate and band pass filter respectively；Close light beams from carrier light inlet
Incidence, forms ejection in corresponding band pass filter and reflector plate, and demultiplexed corresponding parallel distance is d3Directional light
Bundle outgoing；
It is characterized in that：Described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, every group of total reflection
Face is made up of two fully reflecting surfaces being placed in parallel, and all fully reflecting surfaces become corresponding angle to parallel rays, parallel rays
Light beam initial separation is d3；Wherein light beam in parallel rays, after first fully reflecting surface reflects, incides parallel putting
On second fully reflecting surface put, project after total reflection, parallel with the light beam of parallel rays Zhong Yanyuan road transmission after injection
Spacing is adjusted to d4, complete the spacing conversion of collimated light beam.
Described collimated light beam initial separation d3With collimated light beam spacing d after adjustment4Differ.
A parallel surface on the carrier of wavelength-division de-multiplex section is placed with equidistant band pass filter.
Another parallel surface on the carrier of wavelength-division de-multiplex section is placed with equidistant reflector plate.
The utility model can significantly compress integral thickness and the width of device, is optionally combined channel pitch.Processing is simple, easily
In production, with low cost it is easy to produce in enormous quantities.The optical device of especially suitable compact conformation and optical module use.
Brief description
Fig. 1 is the WDM device index path with parallel channel spacing translation function of the present utility model.
Fig. 2 is the wavelength-division Deplexing apparatus index path with parallel channel spacing translation function of the present utility model.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the application is described in detail.But these embodiments do not limit
The application processed, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are equal
It is included in the protection domain of the application.
In addition, terms used herein, such as " light beam " refer to the collimated light of Same Wavelength." collimated light beam " is by mutual
Several bundles " light beam " of parallel different wave length are constituted." multiplexing " refers to the spacing between " collimated light beam " of spacing will be had to be changed into
Zero." demultiplexing " refers to will there is " the light being divided into a few bundle different wave lengths having spacing by a branch of directional light that different wave length mixes
Bundle ".
As shown in figure 1, the wavelength division multiplexer with parallel channel spacing translation function of the present utility model, comprise four bundles parallel
Light beam λ 1, λ 2, λ 3, λ 4, fully reflecting surface 101 and fully reflecting surface 102 are placed in parallel, and fully reflecting surface 103 is parallel with fully reflecting surface 104
Place, fully reflecting surface 103 becomes angle with collimated light beam λ 3, and collimated light beam λ 3 occurs full transmitting, directional light on fully reflecting surface 103
Bundle λ 1, λ 2, λ 3, λ 4 initial separation are d2；Collimated light beam λ 3, after fully reflecting surface 103 reflection, incides the being placed in parallel
On two fully reflecting surfaces 104, project after total reflection, after injection, be adjusted to d1 with the parallel distance of collimated light beam λ 4.Complete parallel
The spacing conversion of light beam.Same principle, collimated light beam λ 1, λ 2 pass through fully reflecting surface 101 and fully reflecting surface 102 completes directional light
The spacing conversion of bundle.
Four bundle collimated light beam λ 1, λ 2, λ 3, λ 4 spacing after spacing adjustment member adjustment above is d1, then enter respectively
It is mapped in the filter plate group 105 on a parallel surface of the carrier 108 of multiplexing part above.Filter plate group 105 is in parallel surface
Upper equidistantly arrangement.It is placed with reflector plate 106 on another parallel surface of carrier.The light beam of λ 4 is through corresponding filter plate group
Incide after a 105 filter plate transmission on the reflector plate 106 on opposite, incide the phase of filter plate group 105 after reflection
On adjacent filter plate, after reflecting, complete multiplexing with the light beam of the λ 3 through filter plate transmission herein herein.Until completing last
After the multiplexing of light beam λ 1, project from the outgoing optical port 107 of carrier.
As shown in Fig. 2 the Wave decomposing multiplexer with parallel channel spacing translation function of the present utility model, comprising wavelength is
λ 5, λ 6, λ 7, the multiplexed optical of λ 8, from light inlet 207 incidence, enter into transmission in carrier 208, to a parallel surface of carrier 208
On the corresponding filter plate of filter plate group 205 on, wavelength is demultiplexed out for the light beam of λ 5, remaining filtered group of light beam
205 filter plate reflexes on the reflector plate 206 on another parallel surface of carrier 208, arrives the parallel of carrier 208 after reflection
The next corresponding filter plate of the filter plate group 205 on face, demultiplexed light beam λ 6, until finally demultiplexed whole light beam λ
7、λ8.Demultiplexed beam separation is d3.
Demultiplexed light beam λ 5, λ 6, λ 7, λ 8 enter into parallel channel spacing conversion portion.Fully reflecting surface 201 and being all-trans
Penetrate face 202 to be placed in parallel, fully reflecting surface 203 and fully reflecting surface 204 are placed in parallel.Fully reflecting surface 203 becomes folder with collimated light beam λ 8
Angle, there is full transmitting in collimated light beam λ 8 on fully reflecting surface 203, incide on second fully reflecting surface 204 being placed in parallel, entirely
Project after reflection, after injection, be adjusted to d with the parallel distance of collimated light beam λ 74.Complete the spacing conversion of collimated light beam.Same
Principle, collimated light beam λ 5, λ 6 pass through fully reflecting surface 202 and fully reflecting surface 201 completes the spacing conversion of collimated light beam.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in the utility model
Protection domain within.
Claims (8)
1. the wavelength division multiplexer with parallel channel spacing translation function, comprises wavelength-division multiplex part and parallel channel spacing converter section
Point,
Described Wavelength Division Multiplexing portion subpackage contains：There is the carrier of two parallel surfaces；Supported parallel face becomes corresponding to parallel entrance beam
Angle, two parallel surfaces of carrier are placed with reflector plate and band pass filter respectively；Parallel distance is d1Parallel entrance beam,
It is incident in reflector plate and corresponding band pass filter and forms ejection, project from carrier exit portal after being multiplexed into light beam；
It is characterized in that：Described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, every group of fully reflecting surface by
The fully reflecting surface composition that two are placed in parallel, and all fully reflecting surfaces become corresponding angle, the light beam of parallel rays to parallel rays
Initial separation is d2；Wherein light beam in parallel rays after first fully reflecting surface reflects, incides and is placed in parallel
On second fully reflecting surface, project after total reflection, the parallel distance with the light beam of parallel rays Zhong Yanyuan road transmission after injection
It is adjusted to d1, complete the spacing conversion of collimated light beam.
2. the wavelength division multiplexer with parallel channel spacing translation function according to claim 1 it is characterised in that：Described
Collimated light beam initial separation d2With collimated light beam spacing d after adjustment1Differ.
3. the wavelength division multiplexer with parallel channel spacing translation function according to claim 1 it is characterised in that：Wavelength-division is multiple
It is placed with equidistant band pass filter with a parallel surface on the carrier of part.
4. the wavelength division multiplexer with parallel channel spacing translation function according to claim 1 it is characterised in that：Wavelength-division is multiple
It is placed with equidistant reflector plate with another parallel surface on the carrier of part.
5. the Wave decomposing multiplexer with parallel channel spacing translation function, comprises wavelength-division de-multiplex section and parallel channel spacing turns
Change part,
Described wavelength-division de-multiplex section comprises：There is the carrier of two parallel surfaces；Supported parallel face becomes phase with parallel entrance beam
Answer angle, two parallel surfaces of carrier are placed with reflector plate and band pass filter respectively；Close light beams incident from carrier light inlet,
Form ejection in corresponding band pass filter and reflector plate, demultiplexed corresponding parallel distance is d3Collimated light beam go out
Penetrate；
It is characterized in that：Described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, every group of fully reflecting surface by
The fully reflecting surface composition that two are placed in parallel, and all fully reflecting surfaces become corresponding angle, the light beam of parallel rays to parallel rays
Initial separation is d3；Wherein light beam in parallel rays after first fully reflecting surface reflects, incides and is placed in parallel
On second fully reflecting surface, project after total reflection, the parallel distance with the light beam of parallel rays Zhong Yanyuan road transmission after injection
It is adjusted to d4, complete the spacing conversion of collimated light beam.
6. the Wave decomposing multiplexer with parallel channel spacing translation function according to claim 5 it is characterised in that：Described
Collimated light beam initial separation d3With collimated light beam spacing d after adjustment4Differ.
7. the Wave decomposing multiplexer with parallel channel spacing translation function according to claim 5 it is characterised in that：Wavelength-division
A parallel surface on the carrier of de-multiplex section is placed with equidistant band pass filter.
8. the Wave decomposing multiplexer with parallel channel spacing translation function according to claim 5 it is characterised in that：Wavelength-division
Another parallel surface on the carrier of de-multiplex section is placed with equidistant reflector plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620908668.0U CN205941977U (en) | 2016-08-19 | 2016-08-19 | Take parallel channel interval conversion functions's wavelength division multiplexer and demultiplexer |
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| CN201620908668.0U CN205941977U (en) | 2016-08-19 | 2016-08-19 | Take parallel channel interval conversion functions's wavelength division multiplexer and demultiplexer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154425A (en) * | 2016-08-19 | 2016-11-23 | 武汉锐奥特科技有限公司 | Wavelength division multiplexer with parallel channel spacing translation function and demultiplexer |
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- 2016-08-19 CN CN201620908668.0U patent/CN205941977U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154425A (en) * | 2016-08-19 | 2016-11-23 | 武汉锐奥特科技有限公司 | Wavelength division multiplexer with parallel channel spacing translation function and demultiplexer |
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