CN207067529U - A kind of photoswitch based on Pneumatic driving type - Google Patents
A kind of photoswitch based on Pneumatic driving type Download PDFInfo
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- CN207067529U CN207067529U CN201720516487.8U CN201720516487U CN207067529U CN 207067529 U CN207067529 U CN 207067529U CN 201720516487 U CN201720516487 U CN 201720516487U CN 207067529 U CN207067529 U CN 207067529U
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Abstract
The utility model discloses a kind of photoswitch based on Pneumatic driving type, the photoswitch uses three-decker, and 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 liquid injection hole 3 being connected with fluid reservoir 10 is left in the lower right corner of cover plate；The second layer is square transparent dielectric layer 4, including 11, four slab dielectric optical waveguides 5,6,7,8 of fluid channel on fluid reservoir 9, fluid reservoir 10, diagonal, four slab dielectric optical waveguides are located in same level, fluid channel 11 is located on the diagonal of square transparent dielectric layer 4, upper end is sealed with elastic film, there is air column wherein, fill matching fluid and communicated respectively with fluid reservoir 9,10 in both ends, matching fluid is same or like to two fluid reservoirs 9,10 fluid injections, its refractive index and square transparent dielectric layer 4 respectively by the liquid injection hole 2,3 on cover plate 1.Third layer is planar substrates 12.The utility model has good operability, and fast response time, has actual application value.
Description
Technical field
A kind of Pneumatic driving type photoswitch based on microflow control technique is the utility model is related to, belongs to optic communication, photoelectron
The technical field of technology.
Background technology
One of photoswitch is the core devices that light exchanges, and influence the principal element of optical-fiber network performance.Photoswitch conduct
The Primary Component of all-optical networking network of new generation, it 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 resistance to mechanical friction, abrasion or vibrations etc. in itself.And this practicality
It is new to solve the problems, such as well above.
The content of the invention
The utility model purpose is to be directed to above-mentioned the deficiencies in the prior art, it is proposed that a kind of light based on Pneumatic driving type
Switch, the photoswitch solve the problems such as big existing photoswitch abrasion, high energy consumption, slow response speed, and the photoswitch is by air pressure
Pump and microflow control technique are applied in Modern optical communication technology, using the fluid behaviour of gas/liquid, come control the total reflection of light beam and
Total transmissivity, and then "ON" and the "Off" action of photoswitch are realized, there is good handling and adaptability.
The technical scheme in the invention for solving the technical problem is：A kind of Pneumatic driving type photoswitch, the light
Switch uses three-decker.First layer is cover plate 1, and the liquid injection hole 2 being connected with fluid reservoir 9, the bottom right of cover plate are left in its upper left corner
Leave the liquid injection hole 3 being connected with fluid reservoir 10 in angle.The second layer is square transparent dielectric layer 4, including fluid reservoir 9, fluid reservoir 10, right
11,4 slab dielectric optical waveguides 5,6,7,8 of fluid channel on linea angulata, wherein this four slab dielectric optical waveguides are located at same water
In plane, fluid channel 11 is located on the diagonal of square transparent dielectric layer 4, and upper end is sealed with elastic film, there is section therebetween
Air column, both ends filling matching fluid simultaneously communicate with fluid reservoir 9,10 respectively, and matching fluid is by 2,3 points of liquid injection hole on cover plate 1
Not to two fluid reservoirs 9,10 fluid injections, its refractive index and square transparent dielectric layer 4 be same or like.Third layer is planar substrates
12。
The lower surface of cover plate 1 of the present utility model and the upper surface of square transparent medium 4, and square transparent medium 4
Lower surface and the upper surface of planar substrates 12 are connected by plasma asistance bonding pattern.The photoswitch utilizes pulsometer pair
Liquid injection hole 2,3 on cover plate 1 carries out pressure control, liquid can flow in Continuous Drive fluid reservoir 9,10, and then adjust fluid channel
Matching fluid and the relative position of air column in 11, control total transmissivity and the total reflection of light beam, realize the "Off" and "ON" of photoswitch
Action.
Beneficial effect：
1st, the utility model is that the micro-fluidic actuation techniques of pulsometer are realized into light is opened by automatically controlled applied among photoswitch
The on and off of pass, it has good handling and adaptability.
2nd, the utility model make easily, cost is low, small volume, is easily integrated, air pressure driving is simple to operate, drives miniflow
The energy consumption of body is low, and fast response time, mechanical wear are small, mechanical contamination is few.
3rd, the utility model belongs to micro-fluidic optical device, and its is simple in construction, thus cost of manufacture, production technology drop significantly
It is low, there is important technological value and economic value, can be widely used in optical communication field.
4th, the utility model design the strict axial symmetry of chip structure, can be realized from each orientation photoswitch "ON" and
"Off", there is actual application value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
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 based on air pressure driving.
Wherein, Fig. 2 is totally reflected for light beam, i.e., photoswitch is in "On" state；Fig. 3 is that light beam all transmits, i.e. photoswitch
In "Off" state.
Embodiment
The utility model is described in further detail with reference to Figure of description.
As shown in figure 1, the utility model provides a kind of switch of Pneumatic driving type, 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, and the lower right corner of cover plate is left and the phase of fluid reservoir 10
Liquid injection hole 3 even；The second layer be square transparent dielectric layer 4, including fluid reservoir 9, fluid reservoir 10, diagonal on fluid channel 11,
4 slab dielectric optical waveguides 5,6,7,8, wherein this four slab dielectric optical waveguides are located in same level, fluid channel 11
In on the diagonal of square transparent dielectric layer 4, upper end is sealed with elastic film, there is a section air column, both ends filling therebetween
Communicated with liquid and respectively with fluid reservoir 9,10, matching fluid be by the liquid injection hole 2,3 on cover plate 1 respectively to two fluid reservoirs 9,
10 fluid injections, its refractive index and square transparent dielectric layer 4 are same or like.Third layer is planar substrates 12.Its cover plate 1
Lower surface and the upper surface of square transparent medium 4, and the lower surface of square transparent medium 4 and the upper surface of planar substrates 12 are 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
It 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, realizes "ON" and the "Off" action of photoswitch.
The utility model photoswitch manipulating principle includes with embodiment：Initial time, as shown in Fig. 2 from bar shaped
When the incident light beam of fiber waveguide reaches fluid channel solid-air interface in square transparent medium 4, due to the refraction of square transparent medium
Rate is more than air refraction, and light beam is totally reflected in solid gas interface, and light beam is emitted from strip optical waveguide 6, is now "ON" shape
State；After air pressure pump work, the matching fluid in fluid reservoir is pushed, because fluid reservoir cross-sectional area is bigger than fluid channel cross section, so
Micro-amounts of liquids movement can make liquid in fluid channel move longer distance in fluid reservoir, if driving liquid is moved to such as accompanying drawing 3
Position, 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 whole
It is now "Off" state into strip optical waveguide 7 through liquid.The utility model is applied to above fluid reservoir by control
Air pressure, the movement of matching fluid in the fluid channel of both sides is adjusted, so as to change the position of air column, realizes the application of photoswitch.
Claims (5)
1. a kind of photoswitch based on Pneumatic driving type, it is characterised in that the photoswitch uses three-decker：First layer is lid
The liquid injection hole (2) being connected with fluid reservoir (9) is left in plate (1), cover plate (1) upper left corner, and the lower right corner of cover plate leaves and liquid storage
The connected liquid injection hole (3) of tank (10), the second layer is square transparent dielectric layer (4), and the square transparent dielectric layer (4) includes liquid storage
Tank (9), fluid reservoir (10), the fluid channel (11) on diagonal, four slab dielectric optical waveguides (5), (6), (7), (8), wherein
This four slab dielectric optical waveguides are located in same level, and fluid channel (11) is located at the diagonal of square transparent dielectric layer (4)
On, upper end is sealed with elastic film, there is a section air column therebetween, both ends filling matching fluid and respectively with fluid reservoir (9), liquid storage
Tank (10) communicates, and third layer is planar substrates (12), the lower surface of cover plate (1) and the upper surface of square transparent dielectric layer (4).
A kind of 2. photoswitch based on Pneumatic driving type according to claim 1, it is characterised in that：Square transparent Jie
The lower surface of matter layer (4) with the upper surface of planar substrates (12) is connected by plasma asistance bonding pattern.
A kind of 3. photoswitch based on Pneumatic driving type according to claim 1, it is characterised in that：The photoswitch utilizes
Pulsometer carries out pressure control, Continuous Drive fluid reservoir (9), fluid reservoir to the liquid injection hole (2) on cover plate (1), liquid injection hole (3)
(10) liquid flows in, and then adjusts matching fluid and the relative position of air column in fluid channel (11), controls the total reflection of light beam
And total transmissivity.
A kind of 4. photoswitch based on Pneumatic driving type according to claim 1, it is characterised in that：Of the photoswitch
With liquid be by the liquid injection hole (2) on cover plate (1), liquid injection hole (3) respectively to two fluid reservoirs (9), fluid reservoir (10) fluid injection,
Its refractive index and square transparent dielectric layer (4) are same or like.
A kind of 5. photoswitch based on Pneumatic driving type according to claim 1, it is characterised in that：The four of the photoswitch
The individual strict axial symmetry of slab dielectric optical waveguide, the "ON" and "Off" of photoswitch can be realized from each orientation, not by position limitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720516487.8U CN207067529U (en) | 2017-05-11 | 2017-05-11 | A kind of photoswitch based on Pneumatic driving type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720516487.8U CN207067529U (en) | 2017-05-11 | 2017-05-11 | A kind of photoswitch based on Pneumatic driving type |
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| Publication Number | Publication Date |
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| CN207067529U true CN207067529U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720516487.8U Active CN207067529U (en) | 2017-05-11 | 2017-05-11 | A kind of photoswitch based on Pneumatic driving type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219588A (en) * | 2017-05-11 | 2017-09-29 | 南京邮电大学 | A kind of photoswitch based on fluid channel pressure difference |
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2017
- 2017-05-11 CN CN201720516487.8U patent/CN207067529U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219588A (en) * | 2017-05-11 | 2017-09-29 | 南京邮电大学 | A kind of photoswitch based on fluid channel pressure difference |
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