CN109799619A - A kind of 8 channel polarized composite wave devices - Google Patents
A kind of 8 channel polarized composite wave devices Download PDFInfo
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- CN109799619A CN109799619A CN201910288051.1A CN201910288051A CN109799619A CN 109799619 A CN109799619 A CN 109799619A CN 201910288051 A CN201910288051 A CN 201910288051A CN 109799619 A CN109799619 A CN 109799619A
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Abstract
A kind of 8 channel polarized composite wave devices export, comprising: the first multiplex component, including the first reflector element, filtering unit group all the way for the parallel incident single channel optical signal in 8 tunnels to be combined into；Second multiplex component includes the first polarization adjustment unit, the second reflector element, the first polarized composite wave unit；Third multiplex component includes the second polarization adjustment unit, third reflecting unit, the second polarized composite wave unit；4th multiplex component includes the 4th reflector element, third polarized composite wave unit.Not only solve the optical path stable problem of 4 wavelength light beam multiplex in the prior art, it is short convenient for stablizing optical path to realize optical path light path, the small device and module convenient for constituting small size of size, and it is suitable for 8 channels/wavelength, it can be applied to 200G/400G High Speeding Optical Transmitter-receiver Circuit.
Description
Technical field
The present invention relates to optical communication technique more particularly to High Speeding Optical Transmitter-receiver Circuits, are specifically used for 200G/400G high with one kind
8 channel polarized composite wave devices of fast optical transceiver module are related.
Background technique
With the explosive growth of Intemet data traffic, cloud computing, high-performance computer, data center, automatic Pilot
Equal applications continue to bring out, and requirement of the fiber optic communication to communication bandwidth is higher and higher, from megabit rate to gigabit to 10G, prolongs
40G/100G is reached, and 200G/400G demand from now on.
Due to the rate limit of electrical transmission, for transmission rate request 100G/200Gbps rate fiber optic communication mould
Block, in order to ensure data can long range high-speed transfer, largely use wavelength-division multiplex/de-multiplexing technique, i.e., by 4 road different wave lengths
Optical signal multiplexing transmitted in single mode optical fiber, specifically, the optical signals of 4 road different wave lengths is multiplexed by optical transmitter module
Optical receiver module is transferred to by single mode optical fiber, optical receiver module this demultiplexed 4 wavelength again.In this way, each wavelength channel
Signal rate need to only reach 25G/50Gbps, the signal transmission rate requirement of 100G/200Gbps can be met.
Film filtering slice (TFF) technology is that this 4 wavelength channels of realization being generally used at present are multiplexed/demultiplex
One of technical solution.As shown in Figure 1, a solution of currently available technology, is typically included in one side specific bit
Set and be coated with anti-reflection film 101(AR film) and high-reflecting film 102(HR film) rhombic prism 100, and in the another of rhombic prism 100
A side mounts 4 TFF diaphragms, 103,4 wavelength light beams and is entered tiltedly from different location by corresponding TFF diaphragm 103
In square glass prism 100,4 wavelength light beams are after 4 TFF diaphragms 103 enter rhombic prism 100, and finally, multiplex is formed
One light beam output.
But in this solution, order of reflection of 4 wavelength light beams in transmission process is all different (at most
Need to reflect six times) so that the optical path of each wavelength light beam is different, and stimulated light device chip, collimation lens and diaphragm
Position angle influence (such as shifting because of thermal expansion), it is excessive that light beam order of reflection excessively will cause beam deviation amount, makes
It is unstable at light beam, cause the reliability of wavelength division multiplexer lower.And it is most important, for more multi-wavelength such as 8 wavelength
Multiplexing, be unable to control optical path in this way, and longitudinal size is too big, be also unable to satisfy the encapsulation of optical communications module
It is required that.
CN104460009A discloses a kind of wave multiplexer, proposes the merging method of another 4 wavelength.Its basic principle
It is to first pass through film filtering slice to carry out saturating low anti-(long wave transmits shortwave reflection) of length or low length instead (the long wave reflection of shortwave transmission)
Or band logical TFF carries out multiplex, then half-wave plate carries out polarization conversion, then carries out multiplex, and the light after multiplex is provided with two kinds partially
Vibration.Last multiplex is two orthogonal polarised lights, is respectively aligned to the axis of homology and axis of reflection (example of polarized composite wave PBC piece
Such as the polarization polarized while reflecting Y-direction in Transmission X direction, transmission direction is Z-direction), therefore include two polarizations after multiplex
Direction (X-direction and Y-direction), 5 road subsequent in this way and 6 tunnels all included two perpendicular polarization directions, Wu Fazai
Multiplex is carried out according to this thinking.This scheme there are problems that multiplex can not be continued, and can not directly be extended to the multiplexing of 8 wavelength
Scene also can not be directly extended in the application demand of 200G/400G.
Summary of the invention
The purpose of the invention is to overcome the above-mentioned prior art, a kind of 8 channel polarized composite wave devices are provided, not only
Solve the optical path stable problem of 4 wavelength light beam multiplex in the prior art, it is short convenient for stablizing optical path to realize optical path light path,
The small device and module convenient for constituting small size of size, and it is suitable for 8 channels/wavelength, it can be applied to 200G/400G high-speed light
Transceiver module.
In order to achieve the object of the present invention, the following technology of proposed adoption:
A kind of 8 channel polarized composite wave devices export all the way for the parallel incident single channel optical signal in 8 tunnels to be combined into, and feature exists
In, comprising:
First multiplex component, including the first reflector element, and opposite first reflector element are arranged and match with the first reflector element
Close by first via light and the 5th tunnel it is photosynthetic be the first combining light, the second road light and the 6th tunnel it is photosynthetic be the second combining light, third road
Light and the 7th tunnel it is photosynthetic be third combining light, the 4th road light and the 8th tunnel it is photosynthetic be the 4th combining light filtering unit group；
Second multiplex component, comprising the first polarization adjustment unit, the second reflector element, and with the first polarization adjustment unit and the
It is the 5th the first polarized composite wave unit for being combined light that first combining light and second are combined photosynthetic by the cooperation of two reflector elements；
Third multiplex component, comprising the second polarization adjustment unit, third reflecting unit, and with the second polarization adjustment unit and the
Three reflector elements cooperation by third be combined light and the 4th combining it is photosynthetic be six directions road light the second polarized composite wave unit；
4th multiplex component includes the 4th reflector element, and is combined light and the six directions for the 5th with the cooperation of the 4th reflector element
The photosynthetic third polarized composite wave unit for light all the way in road.
According to above-mentioned design: first reflector element is set to first via light, the second road light, third road light, the 4th tunnel
The transmission direction of light, and arranged with transmission direction in 45 ° of angles, it is used for first via light, the second road light, third road light, the 4th
The transmission direction of road light turns to filtering unit group；
The filtering unit group is arranged in parallel with the first reflector element, the first filter including being set to the 5th tunnel optical transmission direction
Wave plate, the second filter plate for being set to the 6th tunnel optical transmission direction, the third filter plate for being set to the 7th tunnel optical transmission direction, with
And it is set to the 4th filter plate of the 8th tunnel optical transmission direction, in which:
First filter plate transmits the 5th Lu Guang and reflects the first via light of the first reflector element transmission, first via light is merged into
In the transmission direction of the 5th road light after transmission, the first combining light is obtained；
Second filter plate transmits the 6th Lu Guang and reflects the second road light of the first reflector element transmission, the second road light is merged into
In the transmission direction of the 6th road light after transmission, the second combining light is obtained；
Third filter plate transmits the 7th road light and reflects the third road light of the first reflector element transmission, third road light is merged into
In the transmission direction of the 7th road light after transmission, third combining light is obtained；
4th filter plate transmits the 8th road light and reflects the 4th Lu Guang of the first reflector element transmission, the 4th road light is merged into
In the transmission direction of the 8th road light after transmission, the 4th combining light is obtained.
According to above-mentioned design, the first polarization adjustment unit, with to wherein one in the first combining light, the second combining light
The polarization direction of combining light is adjusted, and keeps the polarization direction of the first combining light and the second combining light vertical；
The first polarized composite wave unit, for transmiting the first combining light, the second wherein combining light being combined in light and reflecting
Wherein another combining light vertical with transmitted light beam polarization direction transmitted by the second reflector element is combined light, for first
Two combining light merge into the 5th combining light.
According to above-mentioned design, one kind of the first polarization adjustment unit, the second reflector element and the first polarized composite wave unit is set
Set mode are as follows:
The first polarization adjustment unit, is set to the transmission direction of the first combining light, for the polarization side to the first combining light
To being adjusted；
Second reflector element is set to the transmission direction of the second combining light, for second combining light transmission direction into
Row adjustment；
The first polarized composite wave unit is set to after the first polarization adjustment unit, positioned at the transmission direction of the first combining light
On, for being transmitted through the first combining light after the first polarization adjustment unit adjusts polarization direction, reflection by the second reflection list
Member adjustment transmission direction after polarization direction with first combining light it is vertical second combining light, by first be combined light and second conjunction
Photosynthetic road is the 5th combining light.
According to above-mentioned design, the another kind of the first polarization adjustment unit, the second reflector element and the first polarized composite wave unit
Set-up mode are as follows:
The first polarization adjustment unit, is set to the transmission direction of the first combining light, for the polarization side to the first combining light
To being adjusted；
Second reflector element is set to after the first polarization adjustment unit, in the transmission direction of the first combining light, is used
It is adjusted in the transmission direction to the first combining light after the first polarization adjustment unit；
The first polarized composite wave unit is set to the transmission direction of the second combining light, for transmit second combining light, reflection by
The process first of second reflector element transmission polarizes adjustment unit and is adjusted to hang down with the second combining light polarization direction by polarization direction
The first straight combining light, it is the 5th combining light that the first combining light and second, which are combined photosynthetic,.
According to above-mentioned design, the second polarization adjustment unit, with to wherein one in third combining light, the 4th combining light
The polarization direction of combining light is adjusted, and keeps the polarization direction of third combining light and the 4th combining light vertical；
The second polarized composite wave unit, for transmiting third combining light, the 4th wherein combining light being combined in light and reflecting
Third is combined light, the by wherein another combining light vertical with transmitted light beam polarization direction transmitted by third reflecting unit
Four combining light merge into six directions road light.
According to above-mentioned design, one kind of the second polarization adjustment unit, third reflecting unit and the second polarized composite wave unit is set
Set mode are as follows:
The second polarization adjustment unit is set to the transmission direction of the 4th combining light, for the polarization side to the 4th combining light
To being adjusted；
The third reflecting unit is set to after the second polarization adjustment unit, in the transmission direction of the 4th combining light, is used
It is adjusted in the transmission direction to the 4th combining light after the second polarization adjustment unit；
The second polarized composite wave unit, be set to third combining light transmission direction, for transmit third combining light, reflection by
The process second of third reflecting unit transmission polarizes adjustment unit and is adjusted to hang down with third combining light polarization direction by polarization direction
The 4th straight combining light, it is six directions road light that third combining light and the 4th, which are combined photosynthetic,.
According to above-mentioned design, the third polarized composite wave unit, for transmit the 5th combining light, six directions Lu Guangzhong its
In one combining light and reflect wherein it is another by the 4th reflector element transmit the combining light vertical with transmitted light beam polarization direction,
To be combined light for the 5th, six directions road light merges into light all the way.
According to above-mentioned design, a kind of set-up mode of the 4th reflector element, third polarized composite wave unit are as follows:
4th reflector element, is set to the transmission direction of six directions road light, for the transmission direction to six directions road light into
Row adjustment；
The third polarized composite wave unit, be set to the 5th combining light transmission direction, for transmit the 5th combining light, reflection by
The six directions road light of 4th reflector element transmission, the 5th combining light and six directions road is photosynthetic for light all the way.
According to above-mentioned design, the polarization direction of the third polarized composite wave unit be designed as with the first polarized composite wave unit or
Second polarized composite wave unit polarization direction is in 45° angle, thus it is orthogonal with the 5th combining light and contain two of six directions road light partially
Vibration direction is in 45 degree.
The advantages of above-mentioned technical proposal, is:
1, the optical path stable problem of 4 wavelength light beam multiplex in the prior art is solved, optical path light path is short, convenient for stablizing light
Road；Size is small, is convenient for the small sized device of structure and module, can be applied to 200G/400G optical transceiver module；
2, the word optical path compared to existing ZigZag() multiplex scheme, there is obviously few order of reflection, and multiplex every time
Each light beam order of reflection at most differs 1 time, conducive to the stabilization of light beam, convenient for control optical path；Optical-path light-path is obviously shortened, convenient for control
Size processed meets the small-sized encapsulated requirement of optical communications module.
3, solve the problems, such as that existing 4 wavelength polarized composite waves scheme not can be carried out 8 wavelength multiplex.
4, light path used after 8 wavelength multiplex is most short, and light path difference is minimum between each optical path, can guarantee to close
The uniformity of the glistening light of waves road road Zhong Mei light wave performance.
Detailed description of the invention
Fig. 1 shows 4 channel wave multiplexer structures of the prior art.
Fig. 2 shows the wave multiplexer structures of an embodiment of the present invention.
Fig. 3 shows the wave multiplexer structure of another embodiment of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention do into
The detailed description of one step.
A kind of embodiment of the invention is as shown in Figure 2, comprising:
4 reflector plates 210,211,212 and 213, respectively correspond the first reflector element, the second reflector element, third reflecting unit,
4th reflector element；
4 film filtering slices 221,222,223 and 224 constitute filtering unit group, respectively correspond the first filter plate, the second filtering
Piece, third filter plate, the 4th filter plate；
2 half-wave plates 231 and 232 respectively correspond the first polarization adjustment unit and the second polarization adjustment unit；
3 polarized composite wave diaphragms 241,242 and 243 respectively correspond the first polarized composite wave unit, third polarized composite wave unit,
Two polarized composite wave units.
Reflector plate 210 is set to the transmission side of first via light λ 1, the second road light λ 2, third road light λ 3, the 4th road light λ 4
To, and be in tilted layout with transmission direction in 45 ° of angles.
Filtering unit group relative reflection piece 210 is arranged, and parallel with reflector plate 210.
Film filtering slice 221 is arranged in the transmission direction of the 5th road light λ 5, while being located at the reflex circuit of first via light λ 1
On diameter；
Film filtering slice 222 is arranged in the transmission direction of the 6th road light λ 6, while on the reflection path of the second road light λ 2；
Film filtering slice 223 is arranged in the transmission direction of the 7th road light λ 7, while on the reflection path of third road light λ 3；
Film filtering slice 224 is arranged in the transmission direction of the 8th road light λ 8, while on the reflection path of the 4th road light λ 4.
After the optical signal issued from 8 different wave length lasers is collimated, 4 light wave λ 1, λ 2, λ 3,4 directive of λ are anti-
Piece 210 is penetrated, and remaining 4 wavelength X 5, λ 6, λ 7, λ 8 propagate to corresponding film filtering slice 221,222,223,224.It is anti-by 210
Light wave λ 1, λ 2, λ 3, λ 4 after penetrating travel to corresponding film filtering slice 221,222,223,224 respectively again.
221 can reflect 1 wavelength of λ and penetrate 5 wavelength of λ, to merge λ 1, the two wavelength of λ 5 with a beam propagation；
Equally, 222 can reflect 2 wavelength of λ and penetrate 6 wavelength of λ, to merge λ 2, the two wavelength of λ 6 with a beam propagation；223
3 wavelength of λ can be reflected and penetrate 7 wavelength of λ, to merge λ 3, the two wavelength of λ 7 with a beam propagation；224 can reflect λ
4 wavelength and penetrate 8 wavelength of λ, to merge λ 4, the two wavelength of λ 8 with a beam propagation；Such 8 wavelength light waves are merged into
For 4 beam light waves, every Shu Guanghan there are two wavelength, i.e., light beam 1. (λ 1+ λ 5), light beam 2. (λ 2+ λ 6), light beam 3. (λ 3+ λ 7), light
4. (λ 4+ λ 8), the direction of propagation is respectively in direction λ 5,8 direction λ 6, λ 7, λ for beam.
Half-wave plate 231 is set to the transmission direction of light beam 1. (λ 1+ λ 5), i.e. 5 direction λ；Polarized composite wave diaphragm 241 is set to
The rear of half-wave plate 231 tilts 45 ° of arrangements with 5 direction λ, and vertical with reflector plate 210；Reflector plate 211 and polarized composite wave diaphragm
241 are oppositely arranged, are arranged in parallel, and are located at the transmission direction of light beam 2. (λ 2+ λ 6), i.e. 6 direction λ.
Half-wave plate 232 is set to the transmission direction of light beam 4. (λ 4+ λ 8), i.e. 8 direction λ；Polarized composite wave diaphragm 243 is set to
The transmission direction of light beam 3. (λ 3+ λ 7), i.e. 7 direction λ；Reflector plate 212 is oppositely arranged with polarized composite wave diaphragm 241, is arranged in parallel,
And it is located at 232 rear of half-wave plate, it is located at 8 direction λ.
1. light beam passes through half-wave plate 231, the effect of half-wave plate is the polarization direction of 90 degree of rotary light beams, is then transmitted through
Polarized composite wave diaphragm 241；Simultaneously 2. (λ 2+ λ 6) light beam by reflection diaphragm 211 reflexes to polarized composite wave diaphragm 241, polarized composite wave
The effect of diaphragm is to be transmitted through P-polarized light light beam and be reflected through the vertical S polarized light light beam in polarization direction, therefore light beam
It include λ 1 1. 2. merging into a light beam 5. by polarized composite wave diaphragm 241 with light beam, 6 four optical wavelengths of λ 2, λ 5, λ are propagated
Direction is in 5 beam direction of λ.
Similarly, 3. the light velocity is transmitted through polarized composite wave diaphragm 242 and reaches polarized composite wave diaphragm 243 and be transmitted through,
Light beam reaches polarized composite wave diaphragm 243 after 4. passing through half-wave plate 232 and the reflection of reflector plate 212 and 3. closes after being reflected with light beam
Wave is merged into comprising wavelength X 3,8 direction of propagation λ 4, λ 7, λ 7 direction λ light beam 6..
Polarized composite wave diaphragm 242 is set to the transmission direction of light beam 5. (λ 1+ λ 2+ λ 5+ λ 6), i.e. 5 beam direction of λ, is located at
241 rear of polarized composite wave diaphragm；The setting of 213 opposite polarization multiplex diaphragm 242 of reflector plate, and it is parallel with polarized composite wave diaphragm 242
Arrangement is located at 243 rear of polarized composite wave diaphragm, and is located at the transmission direction of light beam 6. (λ 3+ λ 4+ λ 7+ λ 8), the i.e. 7 light beam side λ
To.
5. light beam propagates to polarized composite wave diaphragm 242 and is transmitted through, light beam propagates to polarization after 6. being emitted by reflector plate 213
Multiplex diaphragm 242 simultaneously by 242 reflections, and the light beam that is transmitted through 5. multiplex be a light beam 8., include λ 1, λ 2, λ 3, λ 4, λ 5,
88 wavelength of λ 6, λ 7, λ, to complete the multiplex of 8 channel light waves.
Due to light beam 5. with light beam 6. all contain orthogonal both direction polarised light, specifically light beam 5. in contain there are two
The vertical polarised light in polarization direction, light beam is 6. also containing the polarised light vertical there are two polarization direction.Therefore polarized composite wave diaphragm 242
Polarization direction be designed to there is certain angle with the 5th combining light and two orthogonal polarization orientations containing of six directions road light
Degree, makes two kinds of polarised lights have energy light to pass through, to realize polarized composite wave.The present embodiment as shown in Figure 1 is set as optimal
45 degree deflection, make polarized composite wave diaphragm 242 the axis of homology and axis of reflection rotate 45 °, such light beam 5. with light beam 6. in two kinds
Polarised light has 50% energy light to pass through, and realizes polarized composite wave.The setting of the present embodiment is only a kind of form, in this manner it is achieved that
The position that sheet emitting and polarized composite wave piece can slightly be adjusted obtains different combinations, but basic mode and principle are constant, here
It repeats no more.
A kind of embodiment of the invention as shown in figure 3, only adjusted to the arrangement of the second multiplex component, so as to adjust
The output position of multiplex, specifically, scheme includes:
4 reflector plates 210,211,212 and 213, respectively correspond the first reflector element, the second reflector element, third reflecting unit,
4th reflector element；
4 film filtering slices 221,222,223 and 224 constitute filtering unit group, respectively correspond the first filter plate, the second filtering
Piece, third filter plate, the 4th filter plate；
2 half-wave plates 231 and 232 respectively correspond the first polarization adjustment unit and the second polarization adjustment unit；
3 polarized composite wave diaphragms 341,342 and 343 respectively correspond the second polarized composite wave unit, the first polarized composite wave unit,
Three polarized composite wave units.
The set-up mode of reflector plate 210,211,212,213 such as embodiment 1.
The set-up mode of film filtering slice 221,222,223,224 such as embodiment 1.
The set-up mode of half-wave plate 231,232 such as embodiment 1.
The set-up mode such as embodiment 1 of reflector plate 212, polarized composite wave diaphragm 341, reflector plate 213.
Reflector plate 211 is set to after half-wave plate 231, is located at 5 direction λ, is parallel to reflector plate 210；Polarized composite wave diaphragm
The setting of 342 relative reflection pieces 210, and it is parallel with reflector plate 210, it is located at 6 direction λ.
Polarized composite wave diaphragm 343 is located at 342 rear of polarized composite wave diaphragm, setting vertical with polarized composite wave diaphragm 342, position
In 6 direction λ.
It is adjusted, is realized the output position of multiplex light beam by 5 direction transformation of λ to 6 direction λ by this position.
Design according to the present invention, is not limited to the above embodiments.Can by transformation half-wave plate 231,232 and reflector plate 211,
212,213 position adjusts multiplex light beam and is output to λ 7,8 position and direction of λ, and which is not described herein again.
When concrete application, the reflector plate, filter plate, half-wave plate, polarized composite wave diaphragm, they are according to specified angle
It is fixed on the designated position of same substrate, this substrate is preferably with zero thermal expansion or the glass substrate of low bulk.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, it is clear that those skilled in the art
Various changes and modifications can be made to the invention by member without departing from the spirit and scope of the present invention.If in this way, of the invention
Within the scope of the claims of the present invention and its equivalent technology, then the present invention is also intended to encompass these to these modifications and variations
Including modification and variation.
Claims (10)
1. a kind of 8 channel polarized composite wave devices export, feature all the way for the parallel incident single channel optical signal in 8 tunnels to be combined into
It is, comprising:
First multiplex component, including the first reflector element, and opposite first reflector element are arranged and match with the first reflector element
Close by first via light and the 5th tunnel it is photosynthetic be the first combining light, the second road light and the 6th tunnel it is photosynthetic be the second combining light, third road
Light and the 7th tunnel it is photosynthetic be third combining light, the 4th road light and the 8th tunnel it is photosynthetic be the 4th combining light filtering unit group；
Second multiplex component, comprising the first polarization adjustment unit, the second reflector element, and with the first polarization adjustment unit and the
It is the 5th the first polarized composite wave unit for being combined light that first combining light and second are combined photosynthetic by the cooperation of two reflector elements；
Third multiplex component, comprising the second polarization adjustment unit, third reflecting unit, and with the second polarization adjustment unit and the
Three reflector elements cooperation by third be combined light and the 4th combining it is photosynthetic be six directions road light the second polarized composite wave unit；
4th multiplex component includes the 4th reflector element, and is combined light and the six directions for the 5th with the cooperation of the 4th reflector element
The photosynthetic third polarized composite wave unit for light all the way in road.
2. 8 channel polarized composite wave device according to claim 1, it is characterised in that:
First reflector element, is set to the transmission direction of first via light, the second road light, third road light, the 4th road light, and with
Transmission direction is in 45 ° of angle arrangements, for turning to the transmission direction of first via light, the second road light, third road light, the 4th road light
Filtering unit group；
The filtering unit group is arranged in parallel with the first reflector element, the first filter including being set to the 5th tunnel optical transmission direction
Wave plate, the second filter plate for being set to the 6th tunnel optical transmission direction, the third filter plate for being set to the 7th tunnel optical transmission direction, with
And it is set to the 4th filter plate of the 8th tunnel optical transmission direction, in which:
First filter plate transmits the 5th Lu Guang and reflects the first via light of the first reflector element transmission, first via light is merged into
In the transmission direction of the 5th road light after transmission, the first combining light is obtained；
Second filter plate transmits the 6th Lu Guang and reflects the second road light of the first reflector element transmission, the second road light is merged into
In the transmission direction of the 6th road light after transmission, the second combining light is obtained；
Third filter plate transmits the 7th road light and reflects the third road light of the first reflector element transmission, third road light is merged into
In the transmission direction of the 7th road light after transmission, third combining light is obtained；
4th filter plate transmits the 8th road light and reflects the 4th Lu Guang of the first reflector element transmission, the 4th road light is merged into
In the transmission direction of the 8th road light after transmission, the 4th combining light is obtained.
3. 8 channel polarized composite wave device according to claim 1 or 2, it is characterised in that:
The first polarization adjustment unit, with the polarization direction to the wherein combining light in the first combining light, the second combining light
It is adjusted, keeps the polarization direction of the first combining light and the second combining light vertical；
The first polarized composite wave unit, for transmiting the first combining light, the second wherein combining light being combined in light and reflecting
Wherein another combining light vertical with transmitted light beam polarization direction transmitted by the second reflector element is combined light, for first
Two combining light merge into the 5th combining light.
4. 8 channel polarized composite wave device according to claim 3, it is characterised in that:
The first polarization adjustment unit, is set to the transmission direction of the first combining light, for the polarization side to the first combining light
To being adjusted；
Second reflector element is set to the transmission direction of the second combining light, for second combining light transmission direction into
Row adjustment；
The first polarized composite wave unit is set to after the first polarization adjustment unit, positioned at the transmission direction of the first combining light
On, for being transmitted through the first combining light after the first polarization adjustment unit adjusts polarization direction, reflection by the second reflection list
Member adjustment transmission direction after polarization direction with first combining light it is vertical second combining light, by first be combined light and second conjunction
Photosynthetic road is the 5th combining light.
5. 8 channel polarized composite wave device according to claim 3, it is characterised in that:
The first polarization adjustment unit, is set to the transmission direction of the first combining light, for the polarization side to the first combining light
To being adjusted；
Second reflector element is set to after the first polarization adjustment unit, in the transmission direction of the first combining light, is used
It is adjusted in the transmission direction to the first combining light after the first polarization adjustment unit；
The first polarized composite wave unit is set to the transmission direction of the second combining light, for transmit second combining light, reflection by
The process first of second reflector element transmission polarizes adjustment unit and is adjusted to hang down with the second combining light polarization direction by polarization direction
The first straight combining light, it is the 5th combining light that the first combining light and second, which are combined photosynthetic,.
6. 8 channel polarized composite wave device according to claim 3, it is characterised in that:
The second polarization adjustment unit, with the polarization direction to the wherein combining light in third combining light, the 4th combining light
It is adjusted, keeps the polarization direction of third combining light and the 4th combining light vertical；
The second polarized composite wave unit, for transmiting third combining light, the 4th wherein combining light being combined in light and reflecting
Third is combined light, the by wherein another combining light vertical with transmitted light beam polarization direction transmitted by third reflecting unit
Four combining light merge into six directions road light.
7. 8 channel polarized composite wave device according to claim 6, it is characterised in that:
The second polarization adjustment unit is set to the transmission direction of the 4th combining light, for the polarization side to the 4th combining light
To being adjusted；
The third reflecting unit is set to after the second polarization adjustment unit, in the transmission direction of the 4th combining light, is used
It is adjusted in the transmission direction to the 4th combining light after the second polarization adjustment unit；
The second polarized composite wave unit, be set to third combining light transmission direction, for transmit third combining light, reflection by
The process second of third reflecting unit transmission polarizes adjustment unit and is adjusted to hang down with third combining light polarization direction by polarization direction
The 4th straight combining light, it is six directions road light that third combining light and the 4th, which are combined photosynthetic,.
8. 8 channel polarized composite wave device according to claim 6, it is characterised in that: the third polarized composite wave unit is used for
Transmit the 5th combining light, six directions Lu Guangzhong wherein one combining light and reflect wherein it is another by the 4th reflector element transmission
The combining light vertical with transmitted light beam polarization direction is combined light for the 5th, six directions road light merges into light all the way.
9. 8 channel polarized composite wave device according to claim 8, it is characterised in that:
4th reflector element, is set to the transmission direction of six directions road light, for the transmission direction to six directions road light into
Row adjustment；
The third polarized composite wave unit, be set to the 5th combining light transmission direction, for transmit the 5th combining light, reflection by
The six directions road light of 4th reflector element transmission, the 5th combining light and six directions road is photosynthetic for light all the way.
10. 8 channel polarized composite wave devices according to claim 8 or claim 9, it is characterised in that: the third polarized composite wave unit
Polarization direction be designed as with the first polarized composite wave unit or the second polarized composite wave unit polarization direction in 45° angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288051.1A CN109799619B (en) | 2019-04-11 | 2019-04-11 | 8-channel polarization combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288051.1A CN109799619B (en) | 2019-04-11 | 2019-04-11 | 8-channel polarization combiner |
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| CN111427121A (en) * | 2020-04-27 | 2020-07-17 | 武汉光鱼科技有限公司 | Eight-channel wavelength division multiplexing and wavelength division demultiplexing optical device |
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