CN208283596U - A kind of three port photocirculator of miniaturization array - Google Patents
A kind of three port photocirculator of miniaturization array Download PDFInfo
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- CN208283596U CN208283596U CN201820989603.2U CN201820989603U CN208283596U CN 208283596 U CN208283596 U CN 208283596U CN 201820989603 U CN201820989603 U CN 201820989603U CN 208283596 U CN208283596 U CN 208283596U
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Abstract
The utility model belongs to technical field of optical fiber communication, disclose a kind of three port photocirculator of miniaturization array, including be successively set on optical path Center axis the first optical-fiber array assembly, first be polarized beam splitter, the first wave plate group, the first collimation optical lens, the first Faraday rotation piece, Wollaston prism, the second Faraday rotation piece, the second collimation optical lens, the second wave plate group, second be polarized beam splitter, the second optical-fiber array assembly；First optical-fiber array assembly includes multiple first fiber units, and the second optical-fiber array assembly includes multiple second fiber units；Multiple first fiber units and multiple second fiber units constitute three ports of multiple optical circulators.The utility model solves the problems, such as that optical circulator volume is larger in the prior art, can only realize optical circulator function all the way, has reached the technical effect for improving product integrated level, reducing device cost, reducing device volume.
Description
Technical field
The utility model relates to technical field of optical fiber communication more particularly to a kind of three port optical of miniaturization array to go in ring
Device.
Background technique
Optical circulator is a kind of optical passive component, is mainly used for optical fiber telecommunications system.The characteristic feature of optical circulator is light
Road is irreversible.By taking three-port circulator as an example, light is exported from second port, is held from second after a port entrance
It after mouth enters, does not export from a port, is exported from third port, the light entered from third port can not
It is exported from second port.
Existing optical circulator there are volumes larger, the higher problem of material cost, and can only realize optical circulator all the way
Function.
Utility model content
The embodiment of the present application solves light in the prior art by providing a kind of three port photocirculator of miniaturization array
Circulator volume is larger, can only realize the problem of optical circulator function all the way.
The embodiment of the present application provides a kind of three port photocirculator of miniaturization array, including is successively set on optical path Center
The first optical-fiber array assembly on axis, first are polarized beam splitter, the first wave plate group, the first collimation optical lens, the first faraday rotation
Rotor, Wollaston prism, the second Faraday rotation piece, second collimation optical lens, the second wave plate group, second be polarized beam splitter,
Second optical-fiber array assembly；
First optical-fiber array assembly includes multiple first fiber units, and second optical-fiber array assembly includes multiple
Second fiber unit；Multiple first fiber units and multiple second fiber units constitute three ends of multiple optical circulators
Mouthful.
Preferably, first optical-fiber array assembly includes the first multicore contact pin, the first multicore capillary, more first light
It is fine；The center of the first multicore contact pin is equipped with the first multicore capillary, the more first optical fiber insertions described first
In multicore capillary, more first optical fiber constitute multiple first fiber units；
Second optical-fiber array assembly includes the second multicore contact pin, the second multicore capillary, more second optical fiber；It is described
The center of second multicore contact pin is equipped with the second multicore capillary, and more second optical fiber are embedded in the second multicore capillary
Guan Zhong, more second optical fiber constitute multiple second fiber units.
Preferably, more first optical fiber are respectively the one one optical fiber, the one or two optical fiber, the one or three optical fiber, more institutes
Stating the second optical fiber is respectively the 2nd 1 optical fiber, the two or two optical fiber, the two or three optical fiber；
One one optical fiber, the one or three optical fiber constitute first fiber unit, the one or two optical fiber
Constitute another first fiber unit；2nd 1 optical fiber, the two or three optical fiber constitute second optical fiber
Unit, the two or two optical fiber constitute another second fiber unit；
One one optical fiber, the one or three optical fiber, the two or two optical fiber constitute three ports of an optical circulator；
One or two optical fiber, the 2nd 1 optical fiber, the two or three optical fiber constitute three ports of another optical circulator.
Preferably, more first optical fiber are respectively the one one optical fiber, the one or two optical fiber, the one or three optical fiber, the one or four
Optical fiber, more second optical fiber are respectively the 2nd 1 optical fiber, the two or two optical fiber；
One one optical fiber, the one or three optical fiber one first fiber unit of composition, the one or two optical fiber,
One or four optical fiber constitutes another first fiber unit；2nd 1 optical fiber constitutes the second optical fiber list
Member, the two or two optical fiber constitute another second fiber unit；
One one optical fiber, the one or three optical fiber, the 2nd 1 optical fiber constitute three ports of an optical circulator；
One or two optical fiber, the one or four optical fiber, the two or two optical fiber constitute three ports of another optical circulator.
Preferably, the Wollaston prism is made of the first angle of wedge crystal, the second angle of wedge crystal.
Preferably, the first Faraday rotation piece, the second Faraday rotation piece rotation angle be 45 degree.
Preferably, the first wave plate group is made of the first wave plate, the second wave plate；The second wave plate group is by third wave
Piece, the 4th wave plate composition.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
In the embodiment of the present application, array design is carried out to circulator, sets gradually the first optical fiber on optical path Center axis
Array component, first are polarized beam splitter, the first wave plate group, the first collimation optical lens, the first Faraday rotation piece, Wollaston rib
Mirror, the second Faraday rotation piece, the second collimation optical lens, the second wave plate group, second are polarized beam splitter, the second fiber array group
Part；First optical-fiber array assembly, the second optical-fiber array assembly include multicore contact pin, multicore capillary, multifiber, using more
Core contact pin integrates multiple first fiber units, multiple second fiber units；Pass through multiple first fiber units and multiple second light
Fine unit constitutes three ports of multiple optical circulators, to improve product integrated level, reduce device cost, reduce device volume.
Detailed description of the invention
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution in the present embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is one embodiment of the utility model, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is a kind of structural representation for three port photocirculator of miniaturization array that the utility model embodiment 1 provides
Figure；
Fig. 2 is a kind of index path for three port photocirculator of miniaturization array that the utility model embodiment 1 provides；
Fig. 3 is a kind of working principle for three port photocirculator of miniaturization array that the utility model embodiment 1 provides
Schematic diagram；
One one light in a kind of three port photocirculator of miniaturization array that Fig. 4 provides for the utility model embodiment 1
Fibre to the two or two optical fiber optical path polarization state schematic diagram；
Two or two light in a kind of three port photocirculator of miniaturization array that Fig. 5 provides for the utility model embodiment 1
Fibre to the one or three optical fiber optical path polarization state schematic diagram；
Fig. 6 is a kind of index path for three port photocirculator of miniaturization array that the utility model embodiment 2 provides.
Wherein, the first optical-fiber array assembly of 100-, 101- first are polarized beam splitter, the first wave plate of 102- group, 103- first
Collimate optical lens, the first Faraday rotation of 104- piece, first angle of wedge of 105- crystal, second angle of wedge of 106- crystal, the second method of 107-
It draws revolving fragment, 108- second to collimate optical lens, the second wave plate of 109- group, 110- second and is polarized beam splitter, 111 second optical fiber arrays
Column component；
The one one optical fiber of 1001-, the one or two optical fiber of 1002-, the one or three optical fiber of 1003-, the one or four optical fiber of 1004-；1111-
2nd 1 optical fiber, the two or two optical fiber of 1112-, the two or three optical fiber of 1113-；
The first wave plate of 1021-, the second wave plate of 1022-, 1091- third wave plate, the 4th wave plate of 1092-.
Specific embodiment
The embodiment of the present application solves light in the prior art by providing a kind of three port photocirculator of miniaturization array
Circulator volume is larger, can only realize the problem of optical circulator function all the way.
The technical solution of the embodiment of the present application is in order to solve the above technical problems, general thought is as follows:
A kind of three port photocirculator of miniaturization array, including the first optical fiber array being successively set on optical path Center axis
Column component, first are polarized beam splitter, the first wave plate group, the first collimation optical lens, the first Faraday rotation piece, Wollaston rib
Mirror, the second Faraday rotation piece, the second collimation optical lens, the second wave plate group, second are polarized beam splitter, the second fiber array group
Part；
First optical-fiber array assembly includes multiple first fiber units, and second optical-fiber array assembly includes multiple
Second fiber unit；Multiple first fiber units and multiple second fiber units constitute three ends of multiple optical circulators
Mouthful.
The utility model passes through in multiple first fiber units and the second fiber array in the first optical-fiber array assembly
Multiple second fiber units constitute three ports of multiple optical circulators, realize more than optical circulator function all the way, can be effective
Product integrated level is improved, device cost is reduced, reduces device volume.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Embodiment 1:
A kind of three port photocirculator of miniaturization array that embodiment 1 provides is as shown in Figure 1, include being successively set on light
The first optical-fiber array assembly 100 on Lu Zhizheng axis, first are polarized beam splitter 101, the first wave plate group 102 (by the first wave plate
1021 and second wave plate 1022 form), the first collimation optical lens 103, the first Faraday rotation piece 104, Wollaston prism, the
Two Faraday rotation pieces 107, second collimate optical lens 108, the second wave plate group 109 (by third wave plate 1091 and the 4th wave plate
1092 compositions), second be polarized beam splitter 110, the second optical-fiber array assembly 111.
First optical-fiber array assembly 100 includes the first multicore contact pin, the first multicore capillary, the one one optical fiber
1001, the one or two optical fiber 1002, the one or three optical fiber 1003；The center of the first multicore contact pin is equipped with the first multicore capillary
Pipe, the one one optical fiber 1001, the one or two optical fiber 1002, the one or three optical fiber 1003 are embedded in first multicore
In capillary, the one one optical fiber 1001, the one or three optical fiber 1003 constitute first fiber unit, and described the
One or two optical fiber 1002 constitute another described first fiber unit.
Second optical-fiber array assembly 111 includes the second multicore contact pin, the second multicore capillary, the 2nd 1 optical fiber
1111, the two or two optical fiber 1112, the two or three optical fiber 1113；The center of the second multicore contact pin is equipped with the second multicore capillary
Pipe, the 2nd 1 optical fiber 1111, the two or two optical fiber 1112, the two or three optical fiber 1113 are embedded in the second multicore hair
In tubule, the 2nd 1 optical fiber 1111, the two or three optical fiber 1,113 one second fiber unit of composition, described second
Two optical fiber 1112 constitute another described second fiber unit.
One one optical fiber 1001, the one or three optical fiber 1003, the two or two optical fiber 1112 constitute a ring of light
Three ports of shape device；One or two optical fiber 1002, the 2nd 1 optical fiber 1111, the two or three optical fiber 1113 constitute another
Three ports of a optical circulator.That is two first fiber units and two second fiber units constitute two ring of light shapes
Three ports of device.
Wherein, the Wollaston prism is made of the first angle of wedge crystal 105, the second angle of wedge crystal 106.First method
Draw revolving fragment 104, the rotation angle of the second Faraday rotation piece 107 is 45 degree.
It is specifically described below with reference to the course of work of the optical circulator in Fig. 2-5 pairs of embodiments 1.Fig. 2 is ring of light shape
The index path of device, wherein solid line indicates the one one optical fiber 1001, the one or three optical fiber 1003, the two or two optical fiber
The optical path of 1112 circulators constituted, dotted line indicate the one or two optical fiber 1002, the 2nd 1 optical fiber 1111, described second
The optical path for another circulator that three optical fiber 1113 are constituted.The working principle of focus ring shape device is illustrated below, such as Fig. 3 institute
Show, signal light is inputted from the one one optical fiber 1001, has been incident on described first and has been polarized beam splitter 101, has been divided into direction of vibration
Mutually perpendicular two-beam, after the first wave plate group 102, the direction of vibration of two-beam respectively rotates a certain angle α 1,
After the first collimation optical lens 103 carries out collimating effect, into the first Faraday rotation piece 104, in external magnetic
Under the action of, the direction of vibration of o light and e light continues the α 2 that rotates a certain angle.First angle of wedge crystal 105 and described
Two angle of wedge crystal 106 constitute the Wollaston prism.Light beam enters back into second method after the Wollaston prism
Revolving fragment 107 is drawn, the direction of vibration of light beam rotates by a certain angle under the influence of a magnetic field.By second Faraday rotation
Second collimation lens 108 of symmetrical structure is entered back into after piece 107, the second wave plate group 109 and second is polarized beam splitter
110, and exported from the port of the two or two optical fiber 1112.Fig. 4 is indicated from the one one optical fiber 1001 to the described 2nd 2
The polarization state schematic diagram of the optical path of optical fiber 1112 at various locations.Fig. 5 indicates to be input to described the from the two or two optical fiber 1112
The polarization state schematic diagram of the optical path of one or three optical fiber 1003 output at various locations.
The first optical-fiber array assembly and the second optical-fiber array assembly include three optical fiber in embodiment 1, in fact, this
The optical fiber that the first optical-fiber array assembly and the second optical-fiber array assembly may each comprise other quantity in utility model realizes multichannel light
Circulator function.
In the embodiment 2 being presented below, the first optical-fiber array assembly includes four optical fiber, the second optical-fiber array assembly packet
Two optical fiber are included, equally can be realized multichannel optical circulator function.
Embodiment 2:
A kind of three port photocirculator of miniaturization array that embodiment 2 provides is as shown in fig. 6, include being successively set on light
The first optical-fiber array assembly on Lu Zhizheng axis, first are polarized beam splitter 101, the first wave plate group 102, first collimation optical lens
103, the first Faraday rotation piece 104, Wollaston prism (being made of the first angle of wedge crystal 105, the second angle of wedge crystal 106),
Second Faraday rotation piece 107, second collimation optical lens 108, the second wave plate group 109, second are polarized beam splitter 110, the second light
Fibre array component.
First optical-fiber array assembly includes the first multicore contact pin, the first multicore capillary, the one one optical fiber 1001, the
One or two optical fiber 1002, the one or three optical fiber 1003, the one or four optical fiber 1004；The center of the first multicore contact pin is equipped with described first
Multicore capillary, the one one optical fiber 1001, the one or two optical fiber 1002, the one or three optical fiber 1003, described first
Four optical fiber 1004 are embedded in the first multicore capillary, and the one one optical fiber 1001, the one or three optical fiber 1003 are constituted
One first fiber unit, the one or two optical fiber 1002, the one or four optical fiber 1004 constitute another described first
Fiber unit.
Second optical-fiber array assembly includes the second multicore contact pin, the second multicore capillary, the 2nd 1 optical fiber 1111, the
Two or two optical fiber 1112；The center of the second multicore contact pin be equipped with the second multicore capillary, the 2nd 1 optical fiber 1111,
Two or two optical fiber 1112 is embedded in the second multicore capillary, and the 2nd 1 optical fiber 1111 constitutes one described second
Fiber unit, the two or two optical fiber 1112 constitute another described second fiber unit.
One one optical fiber 1001, the one or three optical fiber 1003, the 2nd 1 optical fiber 1111 constitute a ring of light
Three ports of shape device；One or two optical fiber 1002, the one or four optical fiber 1004, the two or two optical fiber 1112 constitute another
Three ports of a optical circulator.That is two first fiber units and two second fiber units constitute two ring of light shapes
Three ports of device.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (7)
1. a kind of three port photocirculator of miniaturization array, which is characterized in that including being successively set on optical path Center axis
First optical-fiber array assembly, first are polarized beam splitter, the first wave plate group, the first collimation optical lens, the first Faraday rotation piece, irrigate
Lars prism, the second Faraday rotation piece, the second collimation optical lens, the second wave plate group, second are polarized beam splitter, the second optical fiber
Array component；
First optical-fiber array assembly includes multiple first fiber units, and second optical-fiber array assembly includes multiple second
Fiber unit；Multiple first fiber units and multiple second fiber units constitute three ports of multiple optical circulators.
2. three port photocirculator of miniaturization array according to claim 1, which is characterized in that first optical fiber array
Column component includes the first multicore contact pin, the first multicore capillary, more first optical fiber；The center of the first multicore contact pin is equipped with
The first multicore capillary, more first optical fiber are embedded in the first multicore capillary, more first optical fiber
Constitute multiple first fiber units；
Second optical-fiber array assembly includes the second multicore contact pin, the second multicore capillary, more second optical fiber；Described second
The center of multicore contact pin is equipped with the second multicore capillary, and more second optical fiber are embedded in the second multicore capillary
In, more second optical fiber constitute multiple second fiber units.
3. three port photocirculator of miniaturization array according to claim 2, which is characterized in that more first light
Fibre is respectively the one one optical fiber, the one or two optical fiber, the one or three optical fiber, and more second optical fiber are respectively the 2nd 1 optical fiber, the
Two or two optical fiber, the two or three optical fiber；
One one optical fiber, the one or three optical fiber constitute first fiber unit, and the one or two optical fiber is constituted
Another described first fiber unit；2nd 1 optical fiber, the two or three optical fiber constitute second fiber unit,
Two or two optical fiber constitutes another second fiber unit；
One one optical fiber, the one or three optical fiber, the two or two optical fiber constitute three ports of an optical circulator；It is described
One or two optical fiber, the 2nd 1 optical fiber, the two or three optical fiber constitute three ports of another optical circulator.
4. three port photocirculator of miniaturization array according to claim 2, which is characterized in that more first light
Fibre is respectively the one one optical fiber, the one or two optical fiber, the one or three optical fiber, the one or four optical fiber, and more second optical fiber are respectively the
21 optical fiber, the two or two optical fiber；
One one optical fiber, the one or three optical fiber constitute first fiber unit, the one or two optical fiber, described
One or four optical fiber constitutes another first fiber unit；2nd 1 optical fiber constitutes second fiber unit,
Two or two optical fiber constitutes another second fiber unit；
One one optical fiber, the one or three optical fiber, the 2nd 1 optical fiber constitute three ports of an optical circulator；It is described
One or two optical fiber, the one or four optical fiber, the two or two optical fiber constitute three ports of another optical circulator.
5. three port photocirculator of miniaturization array according to claim 1, which is characterized in that the Wollaston rib
Mirror is made of the first angle of wedge crystal, the second angle of wedge crystal.
6. three port photocirculator of miniaturization array according to claim 1, which is characterized in that first faraday
Revolving fragment, the second Faraday rotation piece rotation angle be 45 degree.
7. three port photocirculator of miniaturization array according to claim 1, which is characterized in that the first wave plate group
It is made of the first wave plate, the second wave plate；The second wave plate group is made of third wave plate, the 4th wave plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820989603.2U CN208283596U (en) | 2018-06-26 | 2018-06-26 | A kind of three port photocirculator of miniaturization array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820989603.2U CN208283596U (en) | 2018-06-26 | 2018-06-26 | A kind of three port photocirculator of miniaturization array |
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| CN208283596U true CN208283596U (en) | 2018-12-25 |
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| CN201820989603.2U Active CN208283596U (en) | 2018-06-26 | 2018-06-26 | A kind of three port photocirculator of miniaturization array |
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