CN106371263B - A kind of heat radiation infrared beams regulation device based on super surface - Google Patents
A kind of heat radiation infrared beams regulation device based on super surface Download PDFInfo
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- CN106371263B CN106371263B CN201611122043.2A CN201611122043A CN106371263B CN 106371263 B CN106371263 B CN 106371263B CN 201611122043 A CN201611122043 A CN 201611122043A CN 106371263 B CN106371263 B CN 106371263B
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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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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention provides a kind of heat radiation infrared beams regulation device based on super surface, which successively includes: metal layer, buffer layer, super surface texture layer from bottom to up.The super surface includes multiple regions, each region is made of multiple metal sub-wavelength structure units, the sub-wavelength structure cell configuration of the same area is identical, arranging the period can identical also regularly gradual change, the shape of the metal sub-wavelength structure unit of different zones is different or the identical size and number of shape are all different, the angle of each region heat radiation is different, therefore the present invention can be in the modulation of infrared band realization heat radiation angle, and then realizing that spontaneous radiation focuses, the present invention is with important application prospects in the fields such as thermal imaging and new energy.
Description
Technical field
The invention belongs to heat radiation technical field more particularly to a kind of heat radiation infrared beams modulators based on super surface
Part.
Background technique
When the characteristic dimension of object is close to heat radiation wavelength, heat radiation problem and traditional heat radiation problem are completely not
Together, some micro/nano-scale structures show good thermal radiation optical spectrum selection control characteristic, can realize heat using these structures
Radiation energy selection control, is micro-structure thermal radiation optical spectrum control problem, the problem for heat radiation problem itself and with hot spoke
Relevant technical field is penetrated to be of great significance.Correlative study focuses primarily upon rough surface and optical grating construction surface spectrum is special
Property.Result of study shows that roughness has important influence to surface spectrum characteristic, and optical grating construction is selected with thermal radiation optical spectrum
Control characteristic, parameter directly determine heat radiation light spectral property.On this basis, the hot spoke of periodic micro structure has been carried out extensively
Spectrum control application study is penetrated, result of study confirms that using super surface and photonic crystal be the periodic micro structure of representative with good
Good thermal radiation optical spectrum selects control characteristic.Nevertheless, the complex wave of heat radiation is still able to achieve without super sufacing at present
Preceding regulation, such as focus, collection of energy.
Summary of the invention
The technical problem to be solved by the present invention is to providing one kind can be realized regulation (such as focusing, energy before heat radiation complex wave
Amount collect) wave beam regulate and control device.
The technical scheme adopted by the invention to solve the technical problem are as follows: a kind of heat radiation infrared beams tune based on super surface
Device is controlled, the device successively includes: bottom metal layer, buffer layer, super surface texture layer from bottom to up.The super surface
Structure sheaf includes multiple regions, and each region is made of multiple metal sub-wavelength structure units, the sub-wavelength structure of the same area
Cell configuration is identical, arrangement the period can identical also regularly gradual change, the shape of the metal sub-wavelength structure unit of different zones
Shape is different or the identical size and number of shape are all different, and the angle of each region heat radiation is different；The device can be by changing
The size for becoming super surface texture layer regulates and controls infrared beams radiation angle, then realizes the spontaneous focusing of heat radiation, the radiation angle tune
Range processed is 0 °~80 °.
Wherein, the conductivity of metal used in the bottom metal layer is greater than 104, skin depth of the thickness greater than metal.
Wherein, the real part of permittivity of the buffer layer material therefor is less than 15, and loss tangent is less than 0.1, thickness
Less than operation wavelength.
Wherein, metal material used in the metal sub-wavelength structure in the super surface includes: gold, silver, aluminium, billon, silver
Alloy, aluminium alloy.
The present invention has the advantages that the present invention by cleverly designing, can not only modulate infrared beams radiation angle, and
The new function that the spontaneous focusing of heat radiation is realized on the basis of this has important answer in the fields field such as thermal imaging and new energy
Use prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention, and wherein Fig. 1 (a) is side view of the invention, and Fig. 1 (b) is this hair
Super surface texture schematic diagram in bright, Fig. 1 (c) are regional enlarged drawing in the super surface Fig. 1 (b), and Fig. 1 (d) is in the region Fig. 1 (c)
The schematic diagram of structural unit；
Fig. 2 is the spontaneous radiation focusing principle figure of the embodiment of the present invention；
Fig. 3 is the absorption line simulation result of the embodiment of the present invention；
Fig. 4 is the radiation angle spectral curve of each cellular construction in the embodiment of the present invention；
Fig. 5 is the focal beam spot of spontaneous radiation of the embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, implementation of the invention is described in detail, but protection scope of the present invention is not limited in
The following examples, specific embodiment below is only schematical, rather than restrictive, should include claims
In full content；And those skilled in the art can be realized in the whole in claims from one embodiment below
Hold, those skilled in the art under the inspiration of the present invention, are not departing from spirit of the invention and claimed
Ambit under, can also make many forms, all of these belong to the protection of the present invention.
Embodiment realizes that spontaneous radiation focuses using infrared beams control device of the invention.
Fig. 1 is the structural diagram of the present invention, and the present invention as shown in Fig. 1 (a) successively includes: metallic substrates 1 from the bottom to top,
Metallic substrates are the golden films with a thickness of 200nm；Dielectric layer 2, dielectric material are the silicon with a thickness of 500nm；Super surface 3, super surface
Material therefor is the golden film of 200nm thickness, and the super surface includes 8 concentric annular regions, and arrangement such as Fig. 1 (b) in region is shown,
It is respectively as follows: region 1=r2-r1, region 2=r3-r2, region 3=r4-r3, region 4=r5-r4, region 5=r6-r5, region 6=
r7-r6, region 7=r8-r7, region 8=r9-r8, wherein r1=13mm, r2=16mm, r3=21mm, r4=29mm, r5=
32mm, r6=37mm, r7=42mm, r8=46mm, r9=54mm.Each region as described in shown in Fig. 1 (c) is by multiple metals
Sub-wavelength structure unit composition, the sub-wavelength structure unit are concentric loop optical grating construction.Different zones metal sub-wavelength shape
Shape is identical, and size is different, and as shown in Fig. 1 (d), the duty ratio of Circular Ring Grating is a in each regioni, period pi, raster width
For ai×pi(i is positive integer).
Fig. 2 is design schematic diagram of the invention, determines that the focal length (f=18mm) of spontaneous radiation focusing spot and position obtain
The radiation angle of the spontaneous radiation in each region is respectively θ1=15 °, θ2=20 °, θ3=25 °, θ4=30 °, θ5=35 °, θ6=
40 °, θ7=45 °, θ8=50 °.
Analogue simulation is carried out to the present invention, incidence is incident (polarization direction is vertical with grating orientation) using TM wave, obtain as
Each region absorption line simulation result diagram shown in Fig. 3, it is known that can determine the ruler of metal grating in each region by radiation angle
Very little i.e. duty ratio aiAnd period pi.Fig. 4 is the radiation angle spectral curve in each region.
Experimental verification further is carried out to the present invention, Fig. 5 is the focusing light that spontaneous radiation of the present invention is measured with infrared CCD
Spot.Thus it can verify that the regulation of heat radiation infrared beams may be implemented in the present invention and spontaneous radiation focuses.
Claims (4)
1. a kind of heat radiation infrared beams based on super surface regulate and control device, which is characterized in that the device successively wraps from bottom to up
Bottom metal layer, buffer layer and super surface texture layer are included, the super surface texture layer includes multiple regions, and multiple regions are
Concentric annular regions, each region are made of multiple metal sub-wavelength structure units, and sub-wavelength structure unit is concentric loop light
The sub-wavelength structure cell configuration of grid structure, the same area is identical, the arrangement period can identical also regularly gradual change, not same district
The shape of the metal sub-wavelength structure unit in domain is different or the identical size and number of shape are all different, each region heat radiation
Angle is different；The device can regulate and control infrared beams radiation angle by changing the size of super surface texture layer, then realize hot spoke
The spontaneous focusing penetrated, the radiation angle modulation range are 0 °~80 °.
2. the heat radiation infrared beams according to claim 1 based on super surface regulate and control device, which is characterized in that the bottom
The conductivity of layer metal layers metal is greater than 104, skin depth of the thickness greater than metal.
3. the heat radiation infrared beams according to claim 1 based on super surface regulate and control device, which is characterized in that given an account of
The real part of permittivity of matter separation layer material therefor is less than 15, and for loss tangent less than 0.1, thickness is less than operation wavelength.
4. the heat radiation infrared beams according to claim 1 based on super surface regulate and control device, which is characterized in that described super
Metal material used in metal sub-wavelength structure in surface includes: gold, silver, aluminium, billon, silver alloy, aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611122043.2A CN106371263B (en) | 2016-12-08 | 2016-12-08 | A kind of heat radiation infrared beams regulation device based on super surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122043.2A CN106371263B (en) | 2016-12-08 | 2016-12-08 | A kind of heat radiation infrared beams regulation device based on super surface |
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| Publication Number | Publication Date |
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| CN106371263A CN106371263A (en) | 2017-02-01 |
| CN106371263B true CN106371263B (en) | 2019-05-14 |
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| CN107045246B (en) * | 2017-03-06 | 2019-04-30 | 东南大学 | A kind of reflective super surface device of visible light wave range and reflected light wavelength modulator approach |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230985A (en) * | 2011-07-06 | 2011-11-02 | 中国科学院上海光学精密机械研究所 | Circular Damman grating for objective lens having high numerical aperture |
| CN102237258A (en) * | 2010-05-07 | 2011-11-09 | 同济大学 | Broadband spatial coherence thermal radiation light source |
| CN104090332A (en) * | 2014-07-10 | 2014-10-08 | 南京邮电大学 | Long-focus tight-focusing surface plasmonic lens under radially polarized beam |
-
2016
- 2016-12-08 CN CN201611122043.2A patent/CN106371263B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237258A (en) * | 2010-05-07 | 2011-11-09 | 同济大学 | Broadband spatial coherence thermal radiation light source |
| CN102230985A (en) * | 2011-07-06 | 2011-11-02 | 中国科学院上海光学精密机械研究所 | Circular Damman grating for objective lens having high numerical aperture |
| CN104090332A (en) * | 2014-07-10 | 2014-10-08 | 南京邮电大学 | Long-focus tight-focusing surface plasmonic lens under radially polarized beam |
Non-Patent Citations (2)
| Title |
|---|
| All-dielectric subwavelength metasurface focusing lens;Paul R. West;《OPTICS EXPRESS》;20141020;全文 * |
| Ultrabroadband superoscillatory lens composed by plasmonic metasurfaces for subdiffraction light focusing;Dongliang Tang et al;《Laser Photonics Rev》;20151231;全文 * |
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