CN208953722U - Prism, prism group and optical assembly - Google Patents
Prism, prism group and optical assembly Download PDFInfo
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- CN208953722U CN208953722U CN201821449626.0U CN201821449626U CN208953722U CN 208953722 U CN208953722 U CN 208953722U CN 201821449626 U CN201821449626 U CN 201821449626U CN 208953722 U CN208953722 U CN 208953722U
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Abstract
The utility model relates to technical field of photo communication, specifically disclose a kind of prism, prism group and optical assembly.The prism includes top surface, bottom surface, first side, second side, third side and the 4th side, first side is divided into first plane of incidence and second plane of incidence, light beam is emitted from prism first plane of incidence incidence from the bottom surface of prism, the incident direction of light beam and the angle of exit direction are 90 degree, and the Exit positions abscissa of light beam is equal with incoming position abscissa;Light beam is emitted from the second plane of incidence incidence of prism from the bottom surface of prism, the incident direction of light beam and the angle of exit direction are 90 degree, and the Exit positions abscissa of light beam is the bottom edge length of first side to the distance that the first incident surface side translates relative to incoming position abscissa.The prism can be realized 2 road light while carry out Exit positions and direction adjustment, and optical path adjustment is focused on an element, assembling difficulty is reduced, also saves material cost.
Description
Technical field
The utility model relates to technical field of photo communication, and in particular to a kind of prism, prism group and optical assembly.
Background technique
In optical communication field, in order to which transmission rate of the individual module under its limited bulk is continuously improved, one of them
Main mode is exactly to improve the number of channels of single module.Simultaneously as high-speed optical module demand is growing day by day, data center
Wish that the price of high-speed optical module is low as far as possible with common carrier, in favor of largely purchasing.Inside modules integrated level is improved, is reduced
Module cost is more and more important.
The Wave division multiplexer/demultiplexer part largely used in current block, is difficult channel spacing accomplishing 750um or less.So
And for LD (Laser Diode) laser diode and PD (Photoelectric Diode) photodiode, current technique
It can generally accomplish the interval 250um.If will can be spaced originally biggish optical path is adjusted to suitable range, it is just able to use collection
At the higher chip of degree.It is incident at the top of PD in addition, current process is generally required by light beam is approximately perpendicular, and device inside light
Beam is usually horizontal transmission, therefore in order to enable light beam to be coupled in PD, it is also necessary to adjust the direction of propagation of light beam.
Mode traditional at present is will to adjust channel spacing and change direction of beam propagation substep to complete.It needs to use multiple groups
Lens or prism, encapsulation step is complicated, and assembling difficulty is higher, and uses multiple groups material, and material cost is higher.
Utility model content
In view of this, the application provides a kind of prism, prism group and optical assembly, by using the prism, by Multichannel Parallel
Beam separation is adjusted to OK range, and adjusts the direction of propagation of light beam.
In order to solve the above technical problems, technical solution provided by the utility model is a kind of prism, and the prism includes top
Face, bottom surface, first side, second side, third side and the 4th side, the top surface is parallel with the bottom surface, and described first
The angle of side and the bottom surface, the second side and the 4th side is 90 degree, the 4th side and the bottom
The angle in face is 43 degree of -47 degree, and the 4th side is parallel with the second side, the folder of the third side and the bottom surface
Angle is 43-47 degree;Wherein, the first side includes first plane of incidence and second plane of incidence, from the first side bottom
Obtuse angle vertex does vertical line to the top margin of the first side and forms cut-off rule, sharp from the cut-off rule to the first side bottom
The region of angle side is first plane of incidence, and the region from the cut-off rule to first side top acute side is incident for second
Face.
The utility model also provides another prism, and the prism includes top surface, bottom surface, first side, second side, the
Three sides and the 4th side, the top surface is parallel with the bottom surface, the first side and the bottom surface, the second side and
The angle of 4th side is 90 degree, and the angle of the 4th side and the bottom surface is 133 degree -137 and spends, and the described 4th
Side is parallel with the second side, and the angle of the third side and the bottom surface is 43-47 degree;Wherein, first side
Face includes first plane of incidence and second plane of incidence, from the obtuse angle vertex of the first side bottom to the top margin of the first side
Do vertical line formed cut-off rule, from the cut-off rule to the region of first side bottom acute side be first plane of incidence, from institute
State cut-off rule to the region of the acute side at the top of the first side be second plane of incidence.
Preferably, the first side of the prism and/or bottom surface are coated with anti-reflection film.
The utility model also provides a kind of prism group, including the first above-mentioned prism and the second above-mentioned prism, described
The 4th side of one prism and the second prism second side face are placed, first prism and the second prism mirror image pair
Claim.
Preferably, the prism group is integrally formed.
The utility model also provides a kind of optical assembly, including above-mentioned prism group.
Preferably, the first prism first side and/or bottom surface are coated with anti-reflection film, the second prism first side
And/or bottom surface is coated with anti-reflection film.
Compared with prior art, detailed description are as follows for its advantages by the application: the application provides a kind of prism, including top
Face, bottom surface, first side, second side, third side and the 4th side, first side include that first plane of incidence and second are incident
Face.When light beam is from the first plane of incidence vertical incidence of prism, light beam is emitted from the bottom surface of prism, the incident direction and light beam of light beam
The angle of exit direction be 90 degree, the abscissa of incoming position of abscissa and light beam of the Exit positions of light beam is equal;When
Second plane of incidence of light beam from prism is incident, and light beam is emitted from the bottom surface of prism, the incident direction of light beam and the outgoing side of light beam
To angle be 90 degree, the abscissas of the Exit positions of light beam relative to the incoming position of light beam abscissa to first plane of incidence
The distance of side translation is the bottom edge length of first side.The prism can be realized 2 road light while carry out Exit positions and outgoing
Direction adjustment, i.e., adjust the interval and direction of optical path simultaneously, the optical path adjustment collection that multiple element will be needed to complete in traditional approach
In on an element, reduce assembling difficulty, while also saving material cost.
Detailed description of the invention
Fig. 1 is a kind of oblique view for prism that the utility model embodiment 1 provides;
Fig. 2 is a kind of front view for prism that the utility model embodiment 1 provides;
Fig. 3 is a kind of side view for prism that the utility model embodiment 1 provides;
Fig. 4 is a kind of top view for prism that the utility model embodiment 1 provides;
Fig. 5 is a kind of deformation schematic diagram for prism that the utility model embodiment 1 provides;
Fig. 6 is the oblique view for another prism that the utility model embodiment 2 provides;
Fig. 7 is the front view for another prism that the utility model embodiment 2 provides;
Fig. 8 is the deformation schematic diagram for another prism that the utility model embodiment 2 provides;
Fig. 9 is a kind of front view of the prism that provides of the utility model embodiment 3 as aimer;
Figure 10 is front view of another prism that provides of the utility model embodiment 3 as aimer;
Figure 11 is the top surface oblique view for the prism group that the utility model embodiment 4 provides;
Figure 12 is the bottom surface oblique view for the prism group that the utility model embodiment 4 provides;
Figure 13 is the light path principle figure for the prism group that the utility model embodiment 4 provides;
Figure 14 is the deformation schematic diagram for the prism group that the utility model embodiment 4 provides;
Figure 15 is the top view for the optical assembly that the utility model embodiment 5 provides;
Figure 16 is the oblique view for the optical assembly that the utility model embodiment 5 provides;
Figure 17 is the top view of the component prism for the optical assembly that the utility model embodiment 5 provides;
Figure 18 is the side view of the component prism for the optical assembly that the utility model embodiment 5 provides;
Figure 19 is the light path principle figure for the optical assembly that the utility model embodiment 5 provides;
Appended drawing reference are as follows: the first prism of 1-, the first prism of 11- top surface, the first prism bases of 12-, the first prism of 131-
One side, 132- the first prism second side, 133- the first prism third side, the 4th side of the first prism of 134-, 1311-
One first plane of incidence of prism, 1312- second plane of incidence of the first prism, 1313- the first prism cut-off rule;The second prism of 2-, 21-
Two prism top surfaces, the second prism bases of 22-, 231- the second prism first side, 232- the second prism second side, 233- second
Prism third side, the 4th side of the second prism of 234-, 2311- first plane of incidence of the second prism, the second prism of 2312- second enter
Penetrate face, 2313- the second prism cut-off rule;3- optical assembly, 301- lock pin set, 302- collimation lens, 303- wavelength-division multiplex demultiplexing
Device, 304- condenser lens, 305- third prism, the 4th prism of 306-, 307- shell, 308- soft board, 309- ceramic substrate, 310-
Ceramic gasket, 311-PD array.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
As Figure 1-Figure 4, the utility model embodiment 1 provides a kind of prism, is collectively referred to as the first prism 1 below, the
One prism 1 includes top surface 11, bottom surface 12, first side 131, second side 132, third side 133 and the 4th side 134, top
Face 11 is parallel with bottom surface 12, and the angle of first side 131 and bottom surface 12, second side 132 and the 4th side 134 is 90 degree,
Second side 132 is parallel with the 4th side 134, and the included angle A 1 of the 4th side 132 and bottom surface 12 is 43 degree of -47 degree, third side
133 with the included angle A 2 of bottom surface 12 be 43-47 degree;Wherein, first side 131 includes first plane of incidence 1311 and second plane of incidence
1312, from the obtuse angle vertex of 131 bottom of first side to the top margin of first side 131 do vertical line formed cut-off rule 1313, from point
Secant 1313 is first plane of incidence 1311 to the region of 131 bottom acute side of first side, is pushed up from cut-off rule to first side 131
The region of portion's acute side is second plane of incidence 1312.
As shown in figure 5, the first prism 1 uses hexahedron structure under normal conditions, but it is not limited to hexahedron structure, in not shadow
Ring optical transport region removal or increase a part can also with, such as excision one angle it is also possible, as shown in Figure 5
First prism, the excision lower right corner is also possible, will not influence the reflection of light beam.
As shown in fig. 6-7, the utility model embodiment 2 provides another prism, is collectively referred to as the second prism 2 below, the
Two prisms 2 and 1 mirror surface of the first prism are symmetrical, and the second prism 2 includes top surface 21, bottom surface 22, first side 231, second side
232, third side 233 and the 4th side 234, top surface 21 is parallel with bottom surface 22, first side 231 and bottom surface 22, second side
232 and the 4th the angle of side 234 be 90 degree, second side 232 is parallel with the 4th side 234, the 4th side 232 and bottom surface
22 included angle A 1 is 133 degree -137 and spends that the included angle A 2 of third side 233 and bottom surface 22 is 43-47 degree;Wherein, first side 231
Including first plane of incidence 2311 and second plane of incidence 2312, from the obtuse angle vertex of 231 bottom of first side to first side 231
Top margin does vertical line and forms cut-off rule 2313, incident for first from cut-off rule 2313 to the region of 231 bottom acute side of first side
Face 2311 is second plane of incidence 2312 from cut-off rule 2313 to the region of the acute side at 231 top of first side.
As shown in figure 8, the second prism 2 uses hexahedron structure under normal conditions, but it is not limited to hexahedron structure, in not shadow
Ring optical transport region removal or increase a part can also with, such as excision one angle it is also possible, as shown in Figure 8
, the excision lower left corner is also possible, will not influence the reflection of light beam.
In the first prism, the plane of incidence of light beam and the exit facet of light beam can plate anti-reflection film, such as the first prism first
Side and/or bottom surface are coated with anti-reflection film;In the second prism, the plane of incidence of light beam and the exit facet of light beam can plate anti-reflection film,
Such as second prism first side and/or bottom surface be coated with anti-reflection film.
As shown in Fig. 9, Figure 10 and Figure 13, a kind of prism is also disclosed as aimer in the utility model embodiment 3
Application method, the prism is the first prism 1 or the second prism 2, application method include:
It regard the first prism first side 131 as the plane of incidence, regard the first prism bases 12 as exit facet, make light beam from the
One prism first side, 131 vertical incidence, light beam are emitted from the first prism bases 12, the incident direction of light beam and the outgoing of light beam
The angle in direction is 90 degree.
It regard the second prism first side 231 as the plane of incidence, regard the second prism bases 22 as exit facet, make light beam from the
Two prism first sides, 231 vertical incidence, light beam are emitted from the second prism bases 22, the incident direction of light beam and the outgoing of light beam
The angle in direction is 90 degree.
Prism application method as shown in Figure 9 further include: make light beam from first first plane of incidence of prism, 1311 vertical incidence,
Light beam is emitted from the first prism bases 12, and the angle of the exit direction of the incident direction and light beam of light beam is 90 degree, and light beam goes out
The abscissa for penetrating position F ' is equal with the abscissa of incoming position F of light beam.
Keep light beam incident from first second plane of incidence of prism 1312, light beam is emitted from the first prism bases 12, and light beam enters
The angle for penetrating the exit direction of direction and light beam is 90 degree, incident position of the abscissa of the Exit positions E ' of light beam relative to light beam
Set the bottom edge length L1 that the distance that the abscissa of E is translated to first plane of incidence, 1311 side is first side.
Prism application method as shown in Figure 10 further include: keep light beam incident from second first plane of incidence of prism 2311, light
Beam is emitted from the second prism bases 22, and the angle of the exit direction of the incident direction and light beam of light beam is 90 degree, the outgoing of light beam
The abscissa of position F ' is equal with the abscissa of incoming position F of light beam.
Keep light beam incident from second second plane of incidence of prism 2312, light beam is emitted from the second prism bases 22, and light beam enters
The angle for penetrating the exit direction of direction and light beam is 90 degree, incident position of the abscissa of the Exit positions E ' of light beam relative to light beam
Set the bottom edge length L2 that the distance that the abscissa of E is translated to first plane of incidence, 2311 side is first side.
As is illustrated by figs. 11 and 12, the utility model embodiment 4 provides a kind of prism group, including the first prism 1 and second
Prism 2, the 4th side 134 of the first prism and 232 face of the second prism second side are placed, 2 mirror of the first prism 1 and the second prism
As symmetrical, the bottom edge of the 4th side 134 of the first prism is abutted with the bottom edge of the second prism second side 232 to connect, the first prism
Bottom surface 12 is coplanar with the second prism bases 22, and the first prism first side 131 is coplanar with the second prism first side 231, and first
Prism third side 133 is coplanar with the second prism third side 233.More preferably mode, the first prism 1 and second of the prism group
Prism 2 is integrally formed.
If Figure 13 is the prism group light path principle figure, the parallel light beam A 1 in 4 tunnels, A2, A3 and A4 respectively correspond vertical incidence
To second second plane of incidence of prism, second first plane of incidence of prism, first first plane of incidence of prism and the first prism second are incident
Face, 4 road light beams are emitted from the first prism bases and the second prism bases, the exit direction of 4 road light beams and the angle of incident direction
It is 90 degree, the sequence of outgoing is followed successively by A2, A1, A4 and A3, A1 and A4 light beam is concentrated to middle part, wherein 4 roads when incident are flat
The spacing of capable light beam between any two is D, and the spacing of the parallel light beam in 4 tunnels when outgoing between any two is d, and D is greater than d, realizes
To the spacing of 4 road light beams and the adjustment of the direction of propagation.
A kind of prism group of deformation is provided as shown in figure 14, using the first prism 1 and the second of deformation of deformation
There are spacing, the first prism bases and the second ribs for prism 2, the 4th side of the first prism and the placement of the second prism second side face
Mirror bottom surface is coplanar, and the first prism first side is coplanar with the second prism first side, the first prism third side and the second prism
Third side is coplanar.
As shown in Figure 15-Figure 18, the utility model embodiment 5 provides a kind of optical assembly, including the prism in embodiment 4
Group.Specific working method are as follows: 4 kinds of different wave length optical signals enter in optical assembly from lock pin set 301, by collimation lens 302
Afterwards, entered in the form of collimated light in Wave division multiplexer/demultiplexer part (Z-Block) 303.Incident light is divided by Z-Block by wavelength
The parallel collimated light of 4 road different wave lengths, the sequence of partial wave can be adjusted arbitrarily.The parallel collimated light in 4 tunnels passes through each corresponding poly- respectively
Focus lens 304 converge to PD array then after third prism 305 and the 4th prism 306 adjustment spacing and direction respectively
In 311, to realize that photoelectric signal transformation, last electric signal are output in optical module circuit by soft board 308.
Wherein 307 be optical assembly shell, and internal main optical device is placed on one piece of ceramic substrate 309, to guarantee entirety
Stable structure.Third prism 305 and the 4th prism 306 are placed on ceramic gasket 310, to adjust its height.
Wherein the light-emitting face of collimation lens 302 and the plane of incidence are coated with anti-reflection film, and lock pin is covered 301 by collimation lens 302
The diverging light of outgoing converts collimated light.
Wherein the light-emitting face of each condenser lens 304 and the plane of incidence are coated with anti-reflection film, and each beam channel respectively corresponds
The relative position of one condenser lens 304, four condenser lenses 304 is adjustable according to the difference of 304 focal length of condenser lens.It should
Condenser lens 304 focuses on collimated light on 311 photosurface of PD array.
Wherein the light-emitting face and the plane of incidence of third prism 305 and the 4th prism 306 are coated with anti-reflection film.Third prism
305 and the 4th prism 306 structure be mirror image.
As Figure 19 and Figure 13 show the light path principle figure of the optical assembly.It can be seen that Wave division multiplexer/demultiplexer part in figure
(Z-Block) 303 the light of different wave length is separated, there are a biggish interval D between light beam, and the direction of propagation and incident light side
To identical.After third prism 305 and the 4th prism 306, optical path interval is reduced into d, while exit direction and incident direction
At 90 degree.
Wherein, third prism 305 is the first prism 1 in embodiment 1, and the 4th prism 306 is the second rib in embodiment 2
Mirror 2, D is 3 times of optical path interval d after adjustment, in order to which the interval of 4 beam light to be adjusted to d (D=3 × d) by D, while being turned to downwards
90 degree, need to design the size of prism according to the size of D.In order to reach this purpose, for third prism 305, third prism
The bottom edge length of 305 first side must be equal to 4/3rds (4/3) D, and in a practical situation, we are adjustable D, therefore 4/
3D allows certain mismachining tolerance, and the 4th side of third prism 305 and the angle of bottom surface are equal to 45 degree, third side and bottom surface
Angle be equal to 45 degree.For the 4th prism 306, the bottom edge length of the first side of the 4th prism 306 must be equal to 4/3rds
(4/3) for the angle of D, the 4th side of the 4th prism and bottom surface equal to 45 degree, the angle of third side and bottom surface is equal to 45 degree.Third
305 first side of prism and 306 first side of the 4th prism are vertical with incident beam.
4 tunnels direction are divided into light beam A 1, A2, A3 and A4 of D between optical path two-by-two in parallel, along and 305 first side of third prism
The direction vertical with 306 first side of the 4th prism is respectively from the 4th second plane of incidence of prism, the 4th first plane of incidence of prism, and
First plane of incidence of prism and second plane of incidence of third prism are incident.Four road light beams are by spacing adjustment and direction of propagation adjustment
Afterwards, it is finally shone on PD array 311 from the outgoing of the plane perpendicular of the bottom surface of third prism 305 and the 4th prism 306,4 when outgoing
Road light beam is divided into d, D=3d between optical path two-by-two.
4 tunnel direction parallel intervals are the light beam A 1 of D, A2, A3 and A4, along with third prism first side and the 4th prism the
The vertical direction of one side is incident, the transmission path of each road light are as follows:
As shown in figure 11, A4 light beam by face 1312 enter prism in, be totally reflected at face 133, direction become and
Face 12 is vertical, and then quilt cover 132 is totally reflected, and direction becomes parallel with face 131 and face 12.Finally it is totally reflected at face 134,
Direction becomes vertical with face 12, and is emitted from face 12, and final light beam shines on PD array 311.
A1 light beam is similar to A4 light beam, and A1 light beam enters in prism by face 2312, is totally reflected at face 233, side
To becoming vertical with face 22, then quilt cover 234 is totally reflected, and direction becomes parallel with face 231 and face 22.Finally sent out at face 232
Raw total reflection, direction become vertical with face 22, and are emitted from face 22, and final light beam shines on PD array 311.
A3 light beam enters in prism by face 1311, is totally reflected at face 133, direction becomes vertical with face 12, so
It is emitted afterwards from face 12.Final light beam shines on PD array 311.
A2 light beam is similar to A3 light beam, and A2 light beam enters in prism by face 2311, is totally reflected at face 233, side
To becoming vertical with face 22, then it is emitted from face 22.Final light beam shines on PD array 311.
In addition, in practical applications, better performance in order to obtain.Often finely tune the 4th side of prism and prism bases
Included angle and prism third side and prism bases included angle, such as in view of the refractive index of prism material, meeting
Angle is adjusted to 44 degree or 46 degree.In the included angle and prism third side of the 4th side of prism and prism bases
After the included angle adjustment of prism bases, it is not absolute that outgoing beam can also be changed correspondingly with incident beam angle relationship
90 degree.The optical assembly uses the prism of two mirror symmetries, and 4 road light are divided into 2 one group of carry out Exit positions and exit direction
Adjustment, to adjust the interval and the direction of propagation of optical path simultaneously.The optical path adjustment that multiple element will be needed to complete in traditional approach
It focuses on an element, reduces assembling difficulty, while also saving material cost.
The utility model main thought is that will adjust optical path interval and adjust direction of beam propagation to be put into an optical element
Middle realization, to reduce the encapsulation difficulty and cost of optical assembly.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of prism, which is characterized in that the prism include top surface, bottom surface, first side, second side, third side and
4th side, the top surface is parallel with the bottom surface, the first side and the bottom surface, the second side and the described 4th
The angle of side is 90 degree, and the angle of the 4th side and the bottom surface is 43 degree of -47 degree, the 4th side with it is described
Second side is parallel, and the angle of the third side and the bottom surface is 43-47 degree;Wherein, the first side includes first
The plane of incidence and second plane of incidence do vertical line to the top margin of the first side from the obtuse angle vertex of the first side bottom and are formed
Cut-off rule, from the cut-off rule to the region of first side bottom acute side be first plane of incidence, from the cut-off rule to
The region of acute side is second plane of incidence at the top of the first side.
2. prism according to claim 1, which is characterized in that the first side of the prism and/or bottom surface are coated with anti-reflection
Film.
3. a kind of prism, which is characterized in that the prism include top surface, bottom surface, first side, second side, third side and
4th side, the top surface is parallel with the bottom surface, the first side and the bottom surface, the second side and the described 4th
The angle of side is 90 degree, and the angle of the 4th side and the bottom surface is 133 degree of -137 degree, the 4th side and institute
State that second side is parallel, the angle of the third side and the bottom surface is 43-47 degree;Wherein, the first side includes the
One plane of incidence and second plane of incidence do vertical line shape to the top margin of the first side from the obtuse angle vertex of the first side bottom
At cut-off rule, from the cut-off rule to the region of first side bottom acute side be first plane of incidence, from the cut-off rule
It is second plane of incidence to the region of the acute side at the top of the first side.
4. prism according to claim 3, which is characterized in that the first side of the prism and/or bottom surface are coated with anti-reflection
Film.
5. a kind of prism group, which is characterized in that including the first prism and the second prism, first prism is such as claim 1
The prism, second prism are prism as claimed in claim 3, the 4th side of the first prism and described second
Prism second side face is placed, first prism and the second prism mirror symmetry.
6. prism group according to claim 5, which is characterized in that the prism group is integrally formed.
7. a kind of optical assembly, which is characterized in that including such as claim 5 or prism group as claimed in claim 6.
8. optical assembly according to claim 7, which is characterized in that the first prism first side and/or bottom surface are coated with
Anti-reflection film, the second prism first side and/or bottom surface are coated with anti-reflection film.
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CN201821449626.0U CN208953722U (en) | 2018-09-05 | 2018-09-05 | Prism, prism group and optical assembly |
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CN201821449626.0U CN208953722U (en) | 2018-09-05 | 2018-09-05 | Prism, prism group and optical assembly |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108873128A (en) * | 2018-09-05 | 2018-11-23 | 四川新易盛通信技术有限公司 | Prism, the application method of prism, prism group and optical assembly |
CN110794529A (en) * | 2020-01-06 | 2020-02-14 | 成都新易盛通信技术股份有限公司 | Optical assembly and system thereof |
CN114994836A (en) * | 2021-05-13 | 2022-09-02 | 武汉华工正源光子技术有限公司 | High-integration wavelength division receiving device based on diaphragm light splitting |
-
2018
- 2018-09-05 CN CN201821449626.0U patent/CN208953722U/en not_active Withdrawn - After Issue
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108873128A (en) * | 2018-09-05 | 2018-11-23 | 四川新易盛通信技术有限公司 | Prism, the application method of prism, prism group and optical assembly |
CN108873128B (en) * | 2018-09-05 | 2024-02-23 | 四川新易盛通信技术有限公司 | Prism, method for using prism as light beam adjuster, prism set and light assembly |
CN110794529A (en) * | 2020-01-06 | 2020-02-14 | 成都新易盛通信技术股份有限公司 | Optical assembly and system thereof |
CN114994836A (en) * | 2021-05-13 | 2022-09-02 | 武汉华工正源光子技术有限公司 | High-integration wavelength division receiving device based on diaphragm light splitting |
WO2022236855A1 (en) * | 2021-05-13 | 2022-11-17 | 武汉华工正源光子技术有限公司 | Highly integrated wavelength division receiving device based on film beam splitting |
CN114994836B (en) * | 2021-05-13 | 2024-03-08 | 武汉华工正源光子技术有限公司 | High-integration-level wave receiving device based on diaphragm light splitting |
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