CN107065382A - A kind of stealthy cape of controllable two-dimension optical based on the topological material of multilayer two-dimension - Google Patents
A kind of stealthy cape of controllable two-dimension optical based on the topological material of multilayer two-dimension Download PDFInfo
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- CN107065382A CN107065382A CN201710062106.8A CN201710062106A CN107065382A CN 107065382 A CN107065382 A CN 107065382A CN 201710062106 A CN201710062106 A CN 201710062106A CN 107065382 A CN107065382 A CN 107065382A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D3/00—Overgarments
- A41D3/08—Capes
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Polarising Elements (AREA)
Abstract
The invention provides a kind of stealthy cape of controllable two-dimension optical based on the topological material of multilayer two-dimension, light field control field can be applied to.The stealthy cape of controllable two-dimension optical is using x y horizontal planes centers as axle by two-dimensional topology material circular layer, in x, successively continuation is formed in y-axis direction, by the crystallization degree for controlling two-dimensional topology material in different circular layers, the different dielectric constant of every layer of correspondence and magnetic conductance rate coefficient can be made, two-dimentional dielectric constant and the distribution of magnetic conductance rate coefficient needed for acquisition optic camouflage, and then light is bypassed behind cape region, light field recovers original distribution, realize optic camouflage function, ambient interference is masked to be in the object at optic camouflage cape center, extraneous optical field distribution is not influenceed simultaneously.Meanwhile, by the anti-crystallization process of crystallization of two-dimensional topology material in each circular layer of loop control, the real-time ON/OFF performance of optic camouflage cape is realized, so as to overcome the shortcoming that the stealthy cape of two-dimension optical is unable to cycling switch.
Description
Technical field
The present invention relates to a kind of implementation method of the stealthy cape of controllable two-dimension optical based on the topological material of multilayer two-dimension
And device, it can be applied to light field control field.
Background technology
, document 1 in 2006：“J.B.Pendry et al,SCIENCE,2006(312):1780 " propose using different first
The direction of propagation of light wave can be manipulated to medium, optic camouflage clothing concept is realized, the extensive concern of people is caused, as optics
The study hotspot in field.The same year, document 2：“D.Schurig et al,SCIENCE,2006(314):977 " microwave section first
The stealthy capes of the two-dimentional Meta Materials of experimental verification H mode., document 3 in 2007：“Cai et al,Nature Photonics,
2007(1):224 " propose the stealthy cape of the two-dimentional Meta Materials of transverse magnetic wave., document 4 in 2010：“Ma et al,Nature
communications,2010(1):124 ", which propose the two-dimensional array of apertures based on dielectric-slab, realizes the stealthy effect of electromagnetic wave
Really.But, the design of current two-dimension optical stealth structure does not possess tunable function (the i.e. ON/OFF work(of optic camouflage also
Can), in other words the structure of optic camouflage cape once it is determined that later its Stealth Fighter will always in the presence of be it is unalterable,
Its main cause is a lack of dielectric constant and magnetic conductance rate coefficient can be by the natural material of active real-time monitoring, and this directly governs
The further development of optic camouflage technology.Therefore need a kind of simple and practical method of design hidden to the optics of optic camouflage cape
Body function is tuned, and he has very important significance the practical application to optic camouflage cape, promotes it practical significantly
Change process.
Two-dimensional topology material has crystallization and noncrystalline two states, in the effect of ambient light, heat, electricity, magnetic or stress
Under, two-dimensional topology material can change between crystallization and noncrystalline two states, and change along with the state of two-dimensional topology material
Become, reversible change can also occur for its dielectric constant and magnetic conductivity.
The present invention provides a kind of two-dimentional controllable optic camouflage cape based on the topological material of multilayer two-dimension.The two dimension is adjustable
Control optic camouflage cape is using x-y horizontal planes center as axle, in x, y-axis direction successively continuation shape by two-dimensional topology material circular layer
Into by controlling the crystallization degree of two-dimensional topology material in different circular layers, dielectric constant and magnetic that every layer of correspondence is different can be made
Conductance, two-dimentional dielectric constant and magnetic conductivity distribution needed for acquisition optic camouflage, and then light is bypassed behind cape region, light field
Recover original distribution, realize optic camouflage function, masking ambient to be in the object at optic camouflage cape center does
Disturb, while not influenceing extraneous optical field distribution.Meanwhile, pass through crystallization-anti-crystalline substance of two-dimensional topology material in each circular layer of loop control
Change process, realizes the real-time ON/OFF performance of optic camouflage cape, so that overcome that the stealthy cape of two-dimension optical can not switch lacks
Point.The present invention is based on two-dimensional topology material crystallization-anti-crystallization principle, can effectively save energy, the pseudo- ETL estimated time of loading of extension；Realizing
On, using the widely used device such as electricity, light-operated switch, the complexity and cost of optic camouflage cape are significantly reduced, it is actual
Application potential is big.Using the technology of the present invention, optic camouflage cape can be made to be closed in most of time (i.e. not hidden
Body), other side is detected some non-productive optical information, and stealthy function is opened when needing and allows other side's detection less than its light
Signal is learned, various important informations are effectively hidden, enemy is benumbed, us is taken action has emergentness.The technology realize light illusion,
Confuse infrared optics detector and in the optic camouflage equipment such as military and civilian there are huge applications to be worth.
The content of the invention
The technical problems to be solved by the invention are：Overcoming the stealthy function of the stealthy cape of existing two-dimension optical, do not possess can
The shortcoming of tuning performance (being unable to the stealthy function of ON/OFF light), is realized using this common materials of two-dimensional topology material there is provided one kind
The new technology of controllable (can ON/OFF) stealthy cape of two-dimension optical so that system possesses that simple in construction, speed is fast, be easy to operation,
Energy consumption is small, real-time and the low advantage of cost of implementation.
Technical scheme：
A kind of stealthy cape of controllable two-dimension optical based on the topological material of multilayer two-dimension, including substrate layer, interval circular layer,
Two-dimensional topology material circular layer, thin metal layer paster, control unit and the supply unit for investing two-dimensional topology material circular layer bottom；
The stealthy cape of controllable two-dimension optical by two-dimensional topology material circular layer using x-y horizontal planes center as axle, in x, y-axis
Successively continuation is formed in line direction, every layer of equal metal clad thin layer paster in two-dimensional topology material circular layer bottom, every layer of two-dimensional topology material
There is interval circular layer isolation between material circular layer；
Substrate layer is in below the topological material circular layer of two-dimentional multilayer two-dimension, for carrying the topological rings of material of two-dimentional multilayer two-dimension
Layer, the target being hidden is placed in the center of the topological material circular layer of two-dimentional multilayer two-dimension；
Substrate layer is contacted with thin metal layer paster, while substrate layer corresponds at each thin metal layer paster, is all drilled with small
Hole, small aperture is that 1 μm~1cm, depth are 1cm~100cm；Conducting wire in aperture, wire one end is connected to thin metal layer
On paster, the other end sequentially passes through control unit and supply unit ground connection；By manipulating control unit, regulation and control supply unit is to every
The heat time of layer two-dimensional topology material circular layer, and then control the crystallization of two-dimensional topology material in different two-dimensional topology material circular layers
Degree, the dielectric constants and magnetic conductance rate coefficient for making every layer of two-dimensional topology material circular layer correspondence different, needed for realizing optic camouflage
Two-dimentional dielectric constant and the distribution of magnetic conductance rate coefficient, and then light is bypassed behind the stealthy cape region of controllable two-dimension optical, light field
Recover original distribution, realize optic camouflage function.
The topological material circular layer shape of described two-dimentional multilayer two-dimension is annulus, elliptical ring, square ring, straight-flanked ring or six sides
Ring, every layer of two-dimensional topology material circular layer independent control and work；The width of two-dimensional topology material circular layer is 1 μm~10cm, thickness
For 20nm~10cm；The material of described two-dimensional topology material circular layer is BixSb1-x、HgTe、Bi2Te3、Bi2Se3Or Sb2Te3。
Described thin metal layer paster is Al pieces, Ag pieces, Au pieces, Cu pieces or Ni pieces, and its width is in 1 μm~10cm, thickness
For 20nm~10cm,
Described interval circular layer is calcium silicates, polyalcohol/polyisocyanates, RPUF, polystyrene
Foamed plastics, foam glass, In2O3、SnO2Or ITO, its width is that 1 μm~10cm, thickness are 20nm~10cm；
Described substrate layer is polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3；
Described control unit is automatically controlled, light-operated, acoustic control or magnetic switch；Described supply unit is electric energy, heat energy, light
Energy or nuclear energy.
The topological material circular layer of described multilayer two-dimension is realized by Material growth technique, including electron beam evaporation, metal have
Machine compound chemical gaseous phase deposition, vapor phase epitaxial growth and molecular beam epitaxial method.
Beneficial effects of the present invention：It is hidden that the present invention provides a kind of controllable two-dimension optical based on the topological material of multilayer two-dimension
Body cape, can pass through outer power-up, heat, light or magnetic field dielectric constant and magnetic to this common materials of change two-dimensional topology material
There is provided the new technology that one kind realizes controllable (can ON/OFF) the stealthy cape of two-dimension optical for conductance distribution so that system possesses structure
Simply, speed is fast, be easy to operation, energy consumption small, real-time and the low advantage of cost of implementation.
Brief description of the drawings
A kind of two-dimentional controllable optic camouflage cape based on the topological material of multilayer two-dimension that Fig. 1 (a) provides for the present invention
Sectional drawing.
A kind of two-dimentional controllable optic camouflage cape based on the topological material of multilayer two-dimension that Fig. 1 (b) provides for the present invention
Top view.
Fig. 2 (a) is the Making programme schematic diagram of N layers of (N >=1) two-dimensional topology material circular layer.
A kind of two-dimentional controllable optic camouflage cape based on the topological material of multilayer two-dimension that Fig. 2 (b) provides for the present invention
Making programme schematic diagram.
A kind of two-dimentional controllable optic camouflage cape based on the topological material of multilayer two-dimension that Fig. 3 (a) provides for the present invention
The optical field distribution situation map under state is opened up in optic camouflage function.
A kind of two-dimentional controllable optic camouflage cape based on the topological material of multilayer two-dimension that Fig. 3 (b) provides for the present invention
Optical field distribution situation map under optic camouflage function closed mode.
In figure：1 substrate layer；2N layers of (N >=1) two-dimensional topology material circular layer；3 two-dimensional topology material circular layers；
4 interval circular layers；5 apertures；6 wires；7 control units；8 supply units；9 ground wires；
10 thin metal layer pasters.
Embodiment
To cause the content of technical scheme to become apparent from, this is described in detail below in conjunction with technical scheme and accompanying drawing
The embodiment of invention.Material growth technology therein includes：Electron beam evaporation, metallo-organic compound chemical vapor deposition
The common technologies such as shallow lake, vapor phase epitaxial growth, and molecular beam epitaxy technique.Mask process therein includes electron beam exposure and focusing
The common technologies such as ion beam exposure.Etching technics therein includes wet etching and dry etching, and such as acid system etching, electron beam are carved
The conventional process such as erosion, focused-ion-beam lithography and reactive ion beam etching (RIBE).
Embodiment 1
First, by Material growth technique and mask process, designed two-dimensional topology material circular layer is prepared in substrate 1
Upper surface, i.e., by axle of x-y horizontal planes center, in x, y-axis direction, successively continuation is formed from the inside to the outside, realizes N (N >=1) layer
Two-dimensional topology material two dimension circular layer structure 2, such as shown in accompanying drawing 2 (a).
Wherein, the design of two-dimensional topology material circular layer can use finite time-domain calculus of finite differences, FInite Element scheduling algorithm.Metal
Thin layer paster 10 by coating process be formed on N layers of (N >=1) two-dimensional topology material circular layer 2 bottom and substrate 1 top it
Between.
Substrate layer corresponds at each thin metal layer paster 10, is all drilled with aperture 5.Conducting wire 6 in aperture, wire one end
It is connected on thin metal layer paster 10, the other end passes through control unit 7 and the ground wire 9 of supply unit 8, by manipulating control unit
7, the heat time of 8 pairs of every layer of two-dimensional topology material circular layers of supply unit can be regulated and controled, and then control two dimension in different circular layers to open up
The crystallization degree of material is flutterred, the dielectric constant and magnetic conductance rate coefficient that every layer of two-dimensional topology material circular layer correspondence can be made different are real
Existing stealthy required two-dimentional dielectric constant and magnetic conductance rate coefficient distribution, and then light is bypassed behind cape region, light field recovers former
The distribution come, realizes optic camouflage function.Finally realize that a kind of controllable two-dimension optical based on the topological material of multilayer two-dimension is hidden
Shown in body cape, such as accompanying drawing 2 (b).
As shown in figure 3, when the two dimension in a kind of stealthy cape of controllable two-dimension optical based on the topological material of multilayer two-dimension
Topological material generating state change, its dielectric constant and the distribution of magnetic conductance rate coefficient can also change, and then realize light propagation side
To regulation and control, including open optic camouflage function：As be in optic camouflage cape center object mask extraneous light field do
Disturb, while not influenceing extraneous optical field distribution, do not detected by the external world, i.e., light after the stealthy cape by not changing its field distribution
(shown in such as Fig. 3 (a))；Close optic camouflage function：I.e. light is changed by its optical field distribution after the optic camouflage cape, is led
The object put at optic camouflage cape center is caused to be detected by the external world (shown in such as Fig. 3 (b)).
Described above is the technical principle and instantiation that the present invention is applied, the equivalent change that the conception according to the present invention is done
Change, if its scheme for being used still covered without departing from specification and drawings spirit when, all should within the scope of the invention,
Illustrate hereby.
Claims (10)
1. a kind of stealthy cape of controllable two-dimension optical based on the topological material of multilayer two-dimension, it is characterised in that the controllable two
Dimension optic camouflage cape includes substrate layer, interval circular layer, two-dimensional topology material circular layer, invests two-dimensional topology material circular layer bottom
Thin metal layer paster, control unit and supply unit；
The stealthy cape of controllable two-dimension optical by two-dimensional topology material circular layer using x-y horizontal planes center as axle, in x, y-axis side
Formed to successively continuation, every layer of equal metal clad thin layer paster in two-dimensional topology material circular layer bottom, every layer of two-dimensional topology rings of material
There is interval circular layer isolation between layer；
Substrate layer is in below the topological material circular layer of two-dimentional multilayer two-dimension, for carrying the topological material circular layer of two-dimentional multilayer two-dimension,
The target being hidden is placed in the center of the topological material circular layer of two-dimentional multilayer two-dimension；
Substrate layer is contacted with thin metal layer paster, while substrate layer corresponds at each thin metal layer paster, is all drilled with aperture, small
Hole aperture is that 1 μm~1cm, depth are 1cm~100cm；Conducting wire in aperture, wire one end is connected to thin metal layer paster
On, the other end sequentially passes through control unit and supply unit ground connection；By manipulating control unit, regulation and control supply unit is to every layer two
The heat time of the topological material circular layer of dimension, and then control the crystallization journey of two-dimensional topology material in different two-dimensional topology material circular layers
Degree, the dielectric constant and magnetic conductance rate coefficient for making every layer of two-dimensional topology material circular layer correspondence different, realizes two needed for optic camouflage
Dielectric constant and the distribution of magnetic conductance rate coefficient are tieed up, and then light is bypassed behind the stealthy cape region of controllable two-dimension optical, light field is extensive
Restore to be distributed, realize optic camouflage function.
2. the stealthy cape of controllable two-dimension optical according to claim 1, it is characterised in that described two-dimensional topology material
Circular layer is shaped as annulus, elliptical ring, square ring, straight-flanked ring or six side rings, every layer of two-dimensional topology material circular layer independent control and
Work；The width of two-dimensional topology material circular layer is that 1 μm~10cm, thickness are 20nm~10cm；The material of two-dimensional topology material circular layer
Material is BixSb1-x、HgTe、Bi2Te3、Bi2Se3Or Sb2Te3。
3. the stealthy cape of controllable two-dimension optical according to claim 1 or 2, it is characterised in that described thin metal layer
Paster is Al pieces, Ag pieces, Au pieces, Cu pieces or Ni pieces, and its width is that 1 μm~10cm, thickness are 20nm~10cm.
4. the stealthy cape of controllable two-dimension optical according to claim 1 or 2, it is characterised in that described interval circular layer
Material be calcium silicates, polyalcohol/polyisocyanates, RPUF, polystyrene foam plastics, foam glass
Glass, In2O3、SnO2Or ITO, its width is that 1 μm~10cm, thickness are 20nm~10cm.
5. the stealthy cape of controllable two-dimension optical according to claim 3, it is characterised in that the material of described interval circular layer
Matter be calcium silicates, polyalcohol/polyisocyanates, RPUF, polystyrene foam plastics, foam glass,
In2O3、SnO2Or ITO, its width is that 1 μm~10cm, thickness are 20nm~10cm.
6. the stealthy cape of controllable two-dimension optical according to claim 1,2 or 5, it is characterised in that described substrate layer
Material be polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3。
7. the stealthy cape of controllable two-dimension optical according to claim 3, it is characterised in that the material of described substrate layer
For polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3。
8. the stealthy cape of controllable two-dimension optical according to claim 4, it is characterised in that the material of described substrate layer
For polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3。
9. the stealthy cape of controllable two-dimension optical according to claim 1,2,5,7 or 8, it is characterised in that described control
Unit processed is automatically controlled, light-operated, acoustic control or magnetic switch；Described supply unit is electric energy, heat energy, luminous energy or nuclear energy.
10. the stealthy cape of controllable two-dimension optical according to claim 1,2,5,7 or 8, it is characterised in that described two
Tie up being realized by Material growth technique for topological material circular layer, including electron beam evaporation, metallo-organic compound chemical vapor deposition
Shallow lake, vapor phase epitaxial growth and molecular beam epitaxial method.
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| CN201710062106.8A CN107065382A (en) | 2017-01-31 | 2017-01-31 | A kind of stealthy cape of controllable two-dimension optical based on the topological material of multilayer two-dimension |
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Citations (2)
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| US20080024792A1 (en) * | 2006-07-25 | 2008-01-31 | John Pendry | Electromagnetic Cloaking Method |
| US20110085229A1 (en) * | 2009-10-13 | 2011-04-14 | Kent State University | Methods and Apparatus for Controlling Dispersions of Nanoparticles |
-
2017
- 2017-01-31 CN CN201710062106.8A patent/CN107065382A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080024792A1 (en) * | 2006-07-25 | 2008-01-31 | John Pendry | Electromagnetic Cloaking Method |
| US20110085229A1 (en) * | 2009-10-13 | 2011-04-14 | Kent State University | Methods and Apparatus for Controlling Dispersions of Nanoparticles |
Non-Patent Citations (4)
| Title |
|---|
| ALI MIRZAEI: "All-Dielectric Multilayer Cylindrical Structures for Invisibility Cloaking", 《SCIENTIFIC REPORTS》 * |
| KOPPÁNY KÖRMÖCZI: "Near-Infrared Invisibility Cloak Engineered With Two-Phase Metal-Dielectric Composites", 《IEEE TRANSACTIONS ON MAGNETICS》 * |
| PEINING LI: "A frequency-tunable cloak with semiconducting constituents", 《JOURNAL OF PHYSICS D: APPLIED PHYSICS》 * |
| RUNREN ZHANG ET AL: "Free-space carpet cloak using transformation optics and graphene", 《OPTICS LETTERS》 * |
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