CN107065379A - A kind of stealthy cape of controllable three-dimensional optical based on multi-layer transparent conductive oxide - Google Patents

A kind of stealthy cape of controllable three-dimensional optical based on multi-layer transparent conductive oxide Download PDF

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Publication number
CN107065379A
CN107065379A CN201710062095.3A CN201710062095A CN107065379A CN 107065379 A CN107065379 A CN 107065379A CN 201710062095 A CN201710062095 A CN 201710062095A CN 107065379 A CN107065379 A CN 107065379A
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China
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conductive oxide
transparent conductive
layer
controllable
cape
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CN201710062095.3A
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Chinese (zh)
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曹暾
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Dalian University of Technology
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Dalian University of Technology
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Publication of CN107065379A publication Critical patent/CN107065379A/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/29Devices 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
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D3/00Overgarments
    • A41D3/08Capes

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Surface Treatment Of Glass (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a kind of stealthy cape of controllable three-dimensional optical based on multi-layer transparent conductive oxide.The surface that the stealthy cape of controllable three-dimensional optical is made up of transparent conductive oxide covers shell and realized.Wherein, surface covering shell is that multiple transparent conductive oxide circular layers are superimposed composition from bottom to top, by the free electron density for controlling transparent conductive oxide in different circular layers, dielectric constant and magnetic conductivity that every layer of correspondence is different can be made, the three-dimensional dielectric constant needed for optic camouflage and magnetic conductivity distribution are obtained, cape region should can only be bypassed by the light in stealthy cape region by allowing, and light recovers original distribution after cape region is bypassed, make the object in cape region stealthy.Meanwhile, by the free electron density of transparent conductive oxide 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 optic camouflage cape is unable to cycling switch.

Description

A kind of stealthy cape of controllable three-dimensional optical based on multi-layer transparent conductive oxide
Technical field
The present invention relates to a kind of realization side of the stealthy cape of controllable three-dimensional optical based on multi-layer transparent conductive oxide Method and device, can be applied to the control in light wave propagation direction.
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 optic camouflage structure is mostly based on two-dimension plane structure model emulation and experiment test, three-dimensional light Stealthy cape is learned then to be rarely reported.
In addition, current optic camouflage cape does not possess tunable function (i.e. the on/off function of optic camouflage) also, change Sentence talks about the structure of optic camouflage cape once it is determined that its Stealth Fighter will be always in the presence of being unalterable later, and its is main Reason is a lack of dielectric constant and magnetic conductance rate coefficient can be by the natural material of active real-time monitoring, and it is hidden that this directly governs optics The further development of body technology.Therefore need to design a kind of optic camouflage function of simple and practical method to optic camouflage cape It is tuned, he has very important significance the practical application to optic camouflage cape, and its practicalization is promoted significantly.
Transparent conductive oxide is in the presence of ambient light, heat, electricity, magnetic, air pressure or stress, its dielectric constant and magnetic conductivity Also can occur reversible change.
The present invention provides a kind of controllable optic camouflage cape based on multi-layer transparent conductive oxide.The three-dimensional controllable The surface that optic camouflage cape is made up of transparent conductive oxide covers shell and realized.Wherein, surface covering shell is multiple Transparent conductive oxide circular layer is superimposed composition from bottom to top, by the free electron for controlling transparent conductive oxide in different circular layers Density, can make the different dielectric constant of every layer of correspondence and magnetic conductance rate coefficient, obtain the three-dimensional dielectric constant needed for optic camouflage It is distributed with magnetic conductance rate coefficient, and then light is bypassed behind cape region, light field recovers original distribution, realizes optic camouflage work( Energy.Meanwhile, by the free electron density of transparent conductive oxide in each circular layer of loop control, realize optic camouflage cape Real-time ON/OFF performance, so as to overcome the shortcoming that optic camouflage cape can not be switched.The present invention is based on transparent conductive oxide certainly By the controllable principle of electron density, energy, the pseudo- ETL estimated time of loading of extension can be effectively saved;In realization, it is wide using electricity, light-operated switch etc. The general device used, significantly reduces the complexity and cost of optic camouflage cape, and practical application potentiality are big.Use skill of the present invention Art, can make optic camouflage cape be closed (i.e. not stealthy) in most of time, other side is detected some nothings Optical information is imitated, and hot stealthy function is opened when needing and allows other side's detection less than its optical signalling, is effectively hidden various Important information, benumbs enemy, and us is taken action has emergentness.The technology realize light illusion, fascination infrared optics detector, With 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:Overcome existing optic camouflage cape be mostly based on two-dimension plane structure, Do not possess the shortcoming of tunability (being unable to the stealthy function of ON/OFF light) with the stealthy function of optic camouflage cape, using transparent This common materials of conductive oxide make there is provided the new technology that one kind realizes controllable (can ON/OFF) the stealthy cape of three-dimensional optical System possesses that simple in construction, speed is fast, be easy to operation, energy consumption small, real-time and the low advantage of cost of implementation.
Technical scheme:
A kind of stealthy cape of controllable three-dimensional optical based on multi-layer transparent conductive oxide, including substrate layer, wall, The surface covering circular layer of transparent conductive oxide circular layer composition, the thin metal layer patch for investing transparent conductive oxide circular layer inwall Piece, internal supporting shell, control unit and supply unit;Surface covering circular layer be multiple transparent conductive oxide circular layers from bottom to top Superposition is constituted, each equal metal clad thin layer paster of transparent conductive oxide circular layer inner wall surface, each two transparent conductive oxide There is wall isolation between thing circular layer;Internal supporting shell is on the inside of multi-layer transparent conductive oxide circular layer, many for carrying Layer transparent conductive oxide circular layer, the target being hidden is positioned over the intracavitary of internal supporting shell;Internal supporting shell and thin metal layer Paster is contacted, while internal supporting shell, which corresponds to, is drilled with aperture at each thin metal layer paster, small aperture be 1 μm~1cm, Depth is 1 μm~10cm;Conducting wire in aperture, wire one end is connected on thin metal layer paster, and the other end sequentially passes through control Unit and supply unit ground connection processed, by manipulating control unit, can regulate and control supply unit to every layer of transparent conductive oxide ring The action time of layer, and then the free electron density of transparent conductive oxide in different transparent conductive oxide circular layers is controlled, can So that every layer of transparent conductive oxide circular layer correspondence different dielectric constant and magnetic conductance rate coefficient, realize three needed for optic camouflage Dielectric constant and the distribution of magnetic conductance rate coefficient are tieed up, and then light is bypassed behind cape region, optical field recovers original distribution, is realized Optic camouflage function.
The shape of described transparent conductive oxide circular layer is hemisphere, cone, cosine body, positive body with cord, cylinder, half Ellipsoid, square, cuboid or hexahedron, each transparent conductive oxide circular layer can independent control and work;Described Transparent conductive oxide circular layer is tin indium oxide, zinc oxide aluminum, gallium-doped zinc oxide, the tin indium oxide for mixing zinc or doping cadmium oxide Indium, its width is that 1 μm~10cm, thickness are 20nm~10cm.
Described thin metal layer paster is Al pieces, Ag pieces, Au pieces, Cu pieces or Ni pieces, and its width is 1 μm~10cm, thickness For 20nm~10cm.
Described wall is calcium silicates, polyalcohol/polyisocyanates, RPUF, polystyrene bubble Foam plastics, foam glass, In2O3、SnO2Or ITO, its width is that 1nm~10cm, thickness are 1nm~10cm.
Described inside supporting shell is polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3;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, vacuum pressure or nuclear energy.
Described multi-layer transparent conductive oxide circular layer is realized by Material growth technique, including electron beam evaporation, metal Organic compound chemical gaseous phase deposition, vapor phase epitaxial growth and molecular beam epitaxial method.
Beneficial effects of the present invention:Free electron density controllable principle of the invention based on transparent conductive oxide, can Effectively to save energy, the pseudo- ETL estimated time of loading of extension;In realization, using the widely used device such as electricity, light-operated switch, significantly reduce The complexity and cost of optic camouflage cape, practical application potentiality are big.The technology is realizing light illusion, fascination infrared optics inspection Survey device and in the optic camouflage equipment such as military and civilian there are huge applications to be worth.
The present invention provides a kind of stealthy cape of controllable three-dimensional optical based on multi-layer transparent conductive oxide, can pass through Outer power-up, heat, light or magnetic field change dielectric constant and the distribution of magnetic conductance rate coefficient of transparent conductive oxide this common materials, carry The new technology of controllable (can ON/OFF) the stealthy cape of three-dimensional optical is realized for one kind so that system possesses simple in construction, speed It hurry up, be easy to operation, energy consumption small, real-time and the low advantage of cost of implementation.
Brief description of the drawings
Fig. 1 (a) is hidden for the controllable three-dimensional optical that one kind that the present invention is provided is based on N layers of (N >=1) transparent conductive oxide Body cape sectional drawing.
Fig. 1 (b) is hidden for the controllable three-dimensional optical that one kind that the present invention is provided is based on N layers of (N >=1) transparent conductive oxide Body cape top view.
Fig. 2 (a) is internal supporting shell schematic diagram.
Fig. 2 (b) is N layers of transparent conductive oxide surface covering circular layer (N >=1) schematic diagram.
Fig. 2 (c) is the stealthy cape schematic diagram of controllable three-dimensional optical.
Fig. 3 (a) is hidden for the controllable three-dimensional optical that one kind that the present invention is provided is based on N layers of (N >=1) transparent conductive oxide Body cape opens up under state the light field point of (when i.e. transparent conductive oxide is in different free electron densities) in stealthy function Cloth situation.
Fig. 3 (b) is hidden for the controllable three-dimensional optical that one kind that the present invention is provided is based on N layers of (N >=1) transparent conductive oxide Body cape under stealthy function closed mode (when i.e. transparent conductive oxide is in different free electron densities) light field point Cloth situation.
In figure:1 substrate layer;2N layers of transparent conductive oxide surface covering circular layer (N >=1);
3 thin metal layer pasters;4 walls;5 inside supporting shells;6 stealthy regions;7 apertures;8 wires;9 control units;10 Supply unit;11 ground wires.
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).
First, internal supporting shell 5 is formed on substrate 1 using Material growth technique, such as shown in accompanying drawing 2 (a);
Then, by Material growth technique and mask process, by designed transparent conductive oxide circular layer in the He of substrate 1 The outer surface of internal supporting shell 5 is successively superimposed from the bottom to top, realizes N layers of transparent conductive oxide surface covering circular layer 2, such as accompanying drawing Shown in 2 (b).Wherein, the design of transparent conductive oxide surface circular layer and internal supporting shell can using finite time-domain calculus of finite differences, FInite Element scheduling algorithm.Thin metal layer paster 3 is formed on N layers of transparent conductive oxide surface by coating process and covers circular layer Between 2 internal ring wall and the outer wall of internal supporting shell 5.
Internal supporting shell corresponds at each thin metal layer paster 3, is all drilled with aperture 7.Conducting wire 8 in aperture, wire One end is connected on thin metal layer paster 3, and the other end passes through control unit 9 and the ground wire 11 of supply unit 10, is controlled by manipulating Unit 9 processed, can regulate and control the action time of 10 pairs of every layer of transparent conductive oxides of supply unit, and then control in different circular layers thoroughly The free electron density of bright conductive oxide, the dielectric constant and magnetic that every layer of transparent conductive oxide circular layer correspondence can be made different Coefficient of conductivity, realizes the stealthy required three-dimensional dielectric constant of light and the distribution of magnetic conductance rate coefficient, and then light is bypassed cape region Afterwards, light field recovers original distribution, realizes optic camouflage function.Finally realize it is a kind of based on multi-layer transparent conductive oxide can Regulate and control the stealthy cape of three-dimensional optical, shown in such as accompanying drawing 2 (c).
As shown in figure 3, when saturating in a kind of stealthy cape of controllable two-dimension optical based on multi-layer transparent conductive oxide Free electron density change occurs for bright conductive oxide, and its dielectric constant and the distribution of magnetic conductance rate coefficient can also change, and then The regulation and control of optical propagation direction are realized, realize that the "ON" of optic camouflage function shields external light and causes institute in internal supporting shell 5 Hidden objectses are not detected by the external world, i.e., light is not by changing its optical field distribution (such as Fig. 3 (a) institutes after the optic camouflage cape Show) and "Off" i.e. light changed by its optical field distribution after the stealthy cape, causing to put in internal supporting shell 5 object can be with Detected (shown in such as Fig. 3 (b)) by the external world.
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 three-dimensional optical based on multi-layer transparent conductive oxide, it is characterised in that the controllable The stealthy cape of three-dimensional optical covers circular layer including the surface that substrate layer, wall, transparent conductive oxide circular layer are constituted, invested The thin metal layer paster of bright conductive oxide circular layer inwall, internal supporting shell, control unit and supply unit;Surface covers circular layer Composition is superimposed from bottom to top for multiple transparent conductive oxide circular layers, and each transparent conductive oxide circular layer inner wall surface is posted There is wall isolation between thin metal layer paster, each two transparent conductive oxide circular layer;It is saturating that internal supporting shell is in multilayer On the inside of bright conductive oxide circular layer, for carrying multi-layer transparent conductive oxide circular layer, the target being hidden is positioned over internal branch Support the intracavitary of shell;Internal supporting shell is contacted with thin metal layer paster, while internal supporting shell corresponds to each thin metal layer paster Place is all drilled with aperture, and small aperture is that 1 μm~1cm, depth are 1 μm~10cm;Conducting wire in aperture, wire one end is connected to On thin metal layer paster, the other end sequentially passes through control unit and supply unit ground connection, by manipulating control unit, regulation and control energy supply Unit controls transparent in different transparent conductive oxide circular layers lead to action time of every layer of transparent conductive oxide circular layer The free electron density of electroxidation thing, makes the different dielectric constant of every layer of transparent conductive oxide circular layer correspondence and magnetic conductivity system Number, realizes the three-dimensional dielectric constant needed for optic camouflage and the distribution of magnetic conductance rate coefficient, and then light is bypassed behind cape region, light The distribution that field recovers original is learned, optic camouflage function is realized.
2. the stealthy cape of controllable three-dimensional optical according to claim 1, it is characterised in that described transparent conductive oxide The shape of thing circular layer is hemisphere, cone, cosine body, positive body with cord, cylinder, semiellipsoid, square, cuboid or six sides Body, each transparent conductive oxide circular layer independent control and work;Described transparent conductive oxide circular layer be tin indium oxide, Zinc oxide aluminum, gallium-doped zinc oxide, the tin indium oxide for mixing zinc or doping cadmium oxide indium, its width is that 1 μm~10cm, thickness are 20nm ~10cm.
3. the stealthy cape of controllable three-dimensional 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 three-dimensional optical according to claim 1 or 2, it is characterised in that described wall is Calcium silicates, polyalcohol/polyisocyanates, RPUF, polystyrene foam plastics, foam glass, In2O3、 SnO2Or ITO, its width is that 1nm~10cm, thickness are 1nm~10cm.
5. the stealthy cape of controllable three-dimensional optical according to claim 3, it is characterised in that described wall is silicic acid Calcium, polyalcohol/polyisocyanates, RPUF, polystyrene foam plastics, foam glass, In2O3、SnO2Or ITO, its width is that 1nm~10cm, thickness are 1nm~10cm.
6. the stealthy cape of controllable three-dimensional optical according to claim 1,2 or 5, it is characterised in that described inside branch It is polyimides, plastics, BK7 optical glass, SiO to support shell2、Si3N4Or Al2O3;Described substrate layer is polyimides, plastics, BK7 light Learn glass, SiO2、Si3N4Or Al2O3
7. the stealthy cape of controllable three-dimensional optical according to claim 3, it is characterised in that described inside supporting shell is Polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3;Described substrate layer is polyimides, plastics, BK7 optics glass Glass, SiO2、Si3N4Or Al2O3
8. the stealthy cape of controllable three-dimensional optical according to claim 4, it is characterised in that described inside supporting shell is Polyimides, plastics, BK7 optical glass, SiO2、Si3N4Or Al2O3;Described substrate layer is polyimides, plastics, BK7 optics glass Glass, SiO2、Si3N4Or Al2O3
9. the stealthy cape of controllable three-dimensional 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, vacuum pressure or core Energy.
10. the stealthy cape of controllable three-dimensional optical according to claim 1,2,5,7 or 8, it is characterised in that described is more Layer transparent conductive oxide circular layer is realized by Material growth technique, including the chemical gas of electron beam evaporation, metallo-organic compound Phase precipitation, vapor phase epitaxial growth and molecular beam epitaxial method.
CN201710062095.3A 2017-01-31 2017-01-31 A kind of stealthy cape of controllable three-dimensional optical based on multi-layer transparent conductive oxide Pending CN107065379A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
ALI MIRZAEI: "All-Dielectric Multilayer Cylindrical Structures for Invisibility Cloaking", 《SCIENTIFIC REPORTS》 *
KOPPÁNY KÖRMÖCZI: "Near-Infrared Invisibility Cloak Engineered With Two-Phase", 《IEEE TRANSACTIONS ON MAGNETICS》 *
PEINING LI: "A frequency-tunable cloak with semiconducting constituents", 《JOURNAL OF PHYSICS D: APPLIED PHYSICS》 *
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Application publication date: 20170818