CN107219588A - A kind of photoswitch based on fluid channel pressure difference - Google Patents
A kind of photoswitch based on fluid channel pressure difference Download PDFInfo
- Publication number
- CN107219588A CN107219588A CN201710327615.9A CN201710327615A CN107219588A CN 107219588 A CN107219588 A CN 107219588A CN 201710327615 A CN201710327615 A CN 201710327615A CN 107219588 A CN107219588 A CN 107219588A
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- fluid
- photoswitch
- cover plate
- fluid reservoir
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- 239000012530 fluid Substances 0.000 title claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention discloses a kind of photoswitch based on fluid channel pressure difference, the photoswitch uses three-decker, and first layer is cover plate 1, and the liquid injection hole 3 being connected with fluid reservoir 10 is left in the liquid injection hole 2 that its upper left corner is connected with fluid reservoir 9, the lower right corner of cover plate；The second layer is square transparent dielectric layer 4, including the fluid channel 11 on fluid reservoir 9, fluid reservoir 10, diagonal, four slab dielectric optical waveguides 5,6,7,8, fluid channel 11 is located on the square diagonal of transparent dielectric layer 4, upper end is sealed with elastic film, there is air column therebetween, two ends are filled matching fluid and communicated respectively with fluid reservoir 9,10, and matching fluid is respectively to two fluid reservoirs 9,10 fluid injections by the liquid injection hole 2,3 on cover plate 1.Third layer is planar substrates 12.It controls total reflection and the total transmissivity of light beam by adjusting matching fluid position in runner 11, realizes photoswitch "ON" and "Off" action.The present invention has good operability, and fast response time, with actual application value.
Description
Technical field
The present invention relates to a kind of photoswitch based on fluid channel pressure difference, belong to optic communication, the technology neck of photoelectron technology
Domain.
Background technology
Photoswitch is the core devices that light is exchanged, and is also to influence one of principal element of optical-fiber network performance.Photoswitch conduct
The Primary Component of all-optical networking network of new generation, is mainly used to realize that the Route Selection on photosphere face, wavelength selection, light intersect and connected
Connect and the function such as self-healed protection.In all optical network, OADM device (OADM) and optical cross connect (OXC) are indispensable
Apparatus for network node, and photoswitch and array of photoswitch are then the core devices in these equipment.But, current photoswitch
In addition to the photoswitch of a few types such as MEMS, the exchange capacity of existing photoswitch is always limited, and is difficult to be made greatly
Array, because mems optical switch has many weak points in terms of resistance to mechanical friction, abrasion or vibrations in itself.And it is of the invention
The problem of can solving above well.
The content of the invention
Present invention aims at for above-mentioned the deficiencies in the prior art, it is proposed that a kind of light based on fluid channel pressure difference is opened
Close, the problem of photoswitch solves big existing photoswitch abrasion, high energy consumption, slow response speed well, the photoswitch will
Pulsometer and microflow control technique are applied in Modern optical communication technology, using the fluid behaviour of gas/liquid, to control being all-trans for light beam
Penetrate and total transmissivity, and then realize "ON" and the "Off" action of photoswitch, the photoswitch has good handling and adaptability.
The technical scheme adopted by the invention to solve the technical problem is that：A kind of photoswitch based on fluid channel pressure difference,
The photoswitch uses three-decker.First layer is cover plate 1, and the liquid injection hole 2 being connected with fluid reservoir 9 is left in its upper left corner, cover plate
Leave the liquid injection hole 3 being connected with fluid reservoir 10 in the lower right corner.The second layer is square transparent dielectric layer 4, including fluid reservoir 9, fluid reservoir
10th, on diagonal fluid channel 11, four slab dielectric optical waveguides 5,6,7,8, wherein this four slab dielectric optical waveguides are located at
In same level, fluid channel 11 is located on the diagonal of square transparent dielectric layer 4, and upper end is sealed with elastic film, wherein
Between have a section air column, two ends filling matching fluid is simultaneously communicated with fluid reservoir 9,10 respectively, and matching fluid is by the liquid injection hole on cover plate 1
2nd, 3 respectively to two fluid reservoirs 9,10 fluid injections, and its refractive index and square transparent dielectric layer 4 are same or like.Third layer is flat
Plate substrate 12.
The lower surface of the cover plate 1 of the present invention and the following table of the upper surface of square transparent medium 4, and square transparent medium 4
Face and the upper surface of planar substrates 12 are connected by plasma asistance bonding pattern.The photoswitch is using pulsometer to cover plate
Liquid injection hole 2,3 on 1 carries out pressure control, liquid can flow in Continuous Drive fluid reservoir 9,10, and then adjust in fluid channel 11
The relative position of matching fluid and air column, controls total reflection and the total transmissivity of light beam, realizes "ON" and the "Off" action of photoswitch.
Beneficial effect：
1st, compact conformation of the present invention, low manufacture cost, be easy to miniaturization and it is integrated.
2nd, air pressure drive control of the present invention is convenient, drives the energy consumption of microfluid low, and driving force is big, and fast response time, machine
The small, mechanical contamination of tool abrasion is few.
3rd, the strict axial symmetry of chip structure that the present invention is designed, can realize the "ON" and "Off" of photoswitch from each orientation,
With actual application value.
4th, the present invention is that pulsometer and micro-fluidic actuation techniques are applied among photoswitch, and photoswitch is realized by voltage-controlled
"ON" and "Off", it has good handling and adaptability.
5th, the invention belongs to micro-fluidic optical device, its is simple in construction, thus cost of manufacture, production technology substantially reduce, and has
There are important technological value and economic value, can be widely used in optical communication field.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Identifier declaration：Cover plate -1；Liquid injection hole -2；Liquid injection hole -3；Square transparent dielectric layer -4；Fluid reservoir -9；Fluid reservoir-
10；Fluid channel -11；Slab dielectric optical waveguide -5,6,7,8；Planar substrates -12；Pulsometer connecting line tube -13,14；Pulsometer -15.
Fig. 2, Fig. 3 are the photoswitch operation principle schematic diagram driven based on air pressure.
Wherein, Fig. 2 is totally reflected for light beam, i.e., photoswitch is in "On" state；Fig. 3 is that light beam is all transmitted, i.e. photoswitch
In "Off" state.
Embodiment
With reference to Figure of description, the present invention is described in further detail.
As shown in figure 1, the invention provides a kind of photoswitch based on fluid channel pressure difference, the photoswitch uses three-layered node
Structure, first layer is cover plate 1, and the liquid injection hole 2 being connected with fluid reservoir 9 is left in its upper left corner, and the lower right corner of cover plate is left and fluid reservoir
10 connected liquid injection holes 3.The second layer is the fluid channel on square transparent dielectric layer 4, including fluid reservoir 9, fluid reservoir 10, diagonal
11st, four slab dielectric optical waveguides 5,6,7,8, wherein this four slab dielectric optical waveguides are located in same level, fluid channel
11 are located on the diagonal of square transparent dielectric layer 4, and upper end is sealed with elastic film, there is a section air column therebetween, and two ends are filled out
Fill matching fluid and communicated respectively with fluid reservoir 9,10, matching fluid is respectively to two fluid reservoirs by the liquid injection hole 2,3 on cover plate 1
9th, 10 fluid injections, its refractive index and square transparent dielectric layer 4 be same or like.Third layer is planar substrates 12.Its cover plate 1
The upper surface of lower surface and square transparent medium 4, and square transparent medium 4 lower surface and planar substrates 12 upper surface all
It is to be connected by plasma asistance bonding pattern.The photoswitch carries out pressure control using pulsometer to the liquid injection hole 2,3 on cover plate 1
System, liquid can flow in Continuous Drive liquid storage pipe 9,10, and then adjust matching fluid and the relative position of air column in fluid channel 11,
Total reflection and the total transmissivity of light beam are controlled, "ON" and the "Off" action of photoswitch is realized.
Photoswitch manipulating principle of the present invention includes with embodiment：Initial time, as shown in Fig. 2 from strip-shaped convection
The light beam penetrated is imported in square transparent medium 4 during arrival fluid channel solid-air interface, because the refractive index of square transparent medium is big
In air refraction, light beam is totally reflected in solid gas interface, and light beam, from the outgoing of strip optical waveguide 6, is now "On" state；Gas
After press pump work, the matching fluid in liquid storage pipe is pushed, because fluid reservoir cross-sectional area is bigger than fluid channel cross-sectional area, so liquid storage
Micro-amounts of liquids movement can make liquid in fluid channel move longer distance in tank, if driving liquid is moved to such as the position of accompanying drawing 3,
Because the refractive index of matching fluid and square medium are same or like, the light beam being incident on fluid channel solid-liquid interface is all passed through
Liquid, is now "Off" state into strip optical waveguide 7.The present invention is applied to the air pressure above fluid reservoir, regulation by control
The movement of matching fluid in the fluid channel of both sides, so as to change the position of air column, realizes the application of photoswitch.
Claims (4)
1. a kind of photoswitch based on fluid channel pressure difference, it is characterised in that the photoswitch uses three-decker：First layer is
The liquid injection hole (2) being connected with fluid reservoir (9) is left in cover plate (1), cover plate (1) upper left corner, and the lower right corner of cover plate is left and stored up
The connected liquid injection hole (3) of flow container (10), the second layer is square transparent dielectric layer (4), and the square transparent dielectric layer (4) includes storage
Flow container (9), fluid reservoir (10), the fluid channel (11) on diagonal, four slab dielectric optical waveguides (5,6,7,8), wherein this four
Individual slab dielectric optical waveguide is located in same level, and fluid channel (11) is located on the diagonal of square transparent dielectric layer 4, upper end
Sealed with elastic film, there is a section air column therebetween, two ends filling matching fluid is simultaneously communicated with fluid reservoir (9,10), matched respectively
Liquid is that third layer is planar substrates respectively to two fluid reservoir (9,10) fluid injections by the liquid injection hole (2,3) on cover plate (1)
(12), the upper surface of the lower surface of cover plate (1) and square transparent medium (4), lower surface and the flat board base of square transparent medium (4)
The upper surface at bottom (12) is connected by plasma asistance bonding pattern.
2. a kind of photoswitch based on fluid channel pressure difference according to claim 1, it is characterised in that：The photoswitch profit
Liquid in pressure control, Continuous Drive fluid reservoir (9,10) is carried out to the liquid injection hole (2,3) on cover plate (1) with pulsometer to flow,
And then matching fluid and the relative position of air column in fluid channel (11) are adjusted, total reflection and the total transmissivity of light beam are controlled, light is realized
"ON" and the "Off" action of switch.
3. a kind of photoswitch based on Pneumatic driving type according to claim 1, it is characterised in that：The photoswitch second
Four slab dielectric optical waveguides on layer transparent dielectric layer are located in four orientation of same level, and strict axial symmetry can be from
The "ON" and "Off" of photoswitch are realized in each orientation, not by position limitation.
4. a kind of photoswitch based on Pneumatic driving type according to claim 1, it is characterised in that：The photoswitch passes through
Control is applied to the movement of matching fluid in the air pressure above fluid reservoir, regulation both sides fluid channel, so as to change the position of air column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710327615.9A CN107219588A (en) | 2017-05-11 | 2017-05-11 | A kind of photoswitch based on fluid channel pressure difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710327615.9A CN107219588A (en) | 2017-05-11 | 2017-05-11 | A kind of photoswitch based on fluid channel pressure difference |
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| Publication Number | Publication Date |
|---|---|
| CN107219588A true CN107219588A (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710327615.9A Pending CN107219588A (en) | 2017-05-11 | 2017-05-11 | A kind of photoswitch based on fluid channel pressure difference |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415126A (en) * | 2018-05-10 | 2018-08-17 | 南京邮电大学 | A kind of 2 × 2 novel waveguide photoswitches |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2468065Y (en) * | 2001-02-21 | 2001-12-26 | 鸿富锦精密工业（深圳）有限公司 | Light switch |
| CN101187718A (en) * | 2007-12-07 | 2008-05-28 | 南京邮电大学 | Electric control optical switch array micro-fluidic chip manufacture method |
| CN101187717A (en) * | 2007-12-07 | 2008-05-28 | 南京邮电大学 | Micro-fluidic array optical switch chip |
| CN102122029A (en) * | 2011-03-18 | 2011-07-13 | 南京邮电大学 | Modular electrical tuning micro flow control array optical switch chip |
| CN104391353A (en) * | 2014-11-21 | 2015-03-04 | 广西智通节能环保科技有限公司 | Novel optical switch device |
| CN105629460A (en) * | 2016-02-25 | 2016-06-01 | 南京邮电大学 | Electronically-controlled adjustable optical attenuator |
| CN205374808U (en) * | 2015-11-27 | 2016-07-06 | 南京邮电大学 | Photoswitch based on MHD control |
| CN207067529U (en) * | 2017-05-11 | 2018-03-02 | 南京邮电大学 | A kind of photoswitch based on Pneumatic driving type |
-
2017
- 2017-05-11 CN CN201710327615.9A patent/CN107219588A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2468065Y (en) * | 2001-02-21 | 2001-12-26 | 鸿富锦精密工业（深圳）有限公司 | Light switch |
| CN101187718A (en) * | 2007-12-07 | 2008-05-28 | 南京邮电大学 | Electric control optical switch array micro-fluidic chip manufacture method |
| CN101187717A (en) * | 2007-12-07 | 2008-05-28 | 南京邮电大学 | Micro-fluidic array optical switch chip |
| CN102122029A (en) * | 2011-03-18 | 2011-07-13 | 南京邮电大学 | Modular electrical tuning micro flow control array optical switch chip |
| CN104391353A (en) * | 2014-11-21 | 2015-03-04 | 广西智通节能环保科技有限公司 | Novel optical switch device |
| CN205374808U (en) * | 2015-11-27 | 2016-07-06 | 南京邮电大学 | Photoswitch based on MHD control |
| CN105629460A (en) * | 2016-02-25 | 2016-06-01 | 南京邮电大学 | Electronically-controlled adjustable optical attenuator |
| CN207067529U (en) * | 2017-05-11 | 2018-03-02 | 南京邮电大学 | A kind of photoswitch based on Pneumatic driving type |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415126A (en) * | 2018-05-10 | 2018-08-17 | 南京邮电大学 | A kind of 2 × 2 novel waveguide photoswitches |
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Application publication date: 20170929 |