CN108063316A - Dual openings resonant ring array surpasses the reflective polarizer of surface Terahertz multi-resonant - Google Patents
Dual openings resonant ring array surpasses the reflective polarizer of surface Terahertz multi-resonant Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
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Abstract
Dual openings resonant ring array surpasses the reflective polarizer of surface Terahertz multi-resonant, belong to electromagnetic wave full vector transmission regulation and control device arts, the present invention includes substrate dielectric substrate, is arranged at the metal resonant element of substrate dielectric substrate upper surface by N × N array mode, is arranged at the metallic reflector of substrate dielectric substrate lower surface, it is characterised in that：The metal resonant element is the becket of square, and opening is provided on two opposite sides of square, and the edge of opening is vertical with a side of square；The line angle at 45 ° on the side and array of square, the metal resonant element are rotational symmetry, and symmetrical centre is square center；N is integer, N >=30.Polarization conversion of the present invention is efficient, insertion loss is small, circular polarization phase difference is small, Out-of-band rejection is apparent, simple in structure, size is small, regulation and control are convenient, easy to process.
Description
Technical field
The invention belongs to electromagnetic wave full vectors to transmit regulation and control device arts, refers to super based on artificial micro-structure
Broadband reflective Terahertz linear polarization/circular polarizer.
Background technology
The frequency spectrum resource of Terahertz frequency range (Terahertz, THz, frequency 0.1-10THz, 1THz=1012Hz) is extremely rich
Richness provides possibility for the wireless transmission of 10Gbps or even more than 100Gbps, and terahertz wave beam is moderate, need not accurately be aligned,
There is high-resolution, high frame rate and high-penetration ability, therefore Terahertz Radar Technology and nothing in terms of synthetic aperture imaging (SAR)
Line communication technology has highly important application prospect.
Traditional electromagnetic material and its transfer function device of preparation are difficult to meet Terahertz application device requirement, and artificial
Electromagnetic material (Metamaterials-MMTs) can break through nature and have the dielectric constant of material and magnetic conductivity variation freedom
The limitation of degree shows huge application potential in terms of electromagnetic wave is regulated and controled.
Electromagnetism Meta Materials (Metamaterials-MMTs) are a kind of substantially single by the sub-wavelength with geometry in particular
The member artificial electromagnetic material that periodically or non-periodically array is formed.It can be changed by reasonable design cellular construction and size
Become the electromagnetic property of material, so as to fulfill the Effective Regulation to electromagnetic wave.
Structural asymmetry, structural parameters difference etc. are introduced in super surfacing will obtain apparent cross-coupling effect
With asymmetric transmission characteristic, which is of great significance for developing wave absorbing device, modulator, polarizer etc..Super surface is in thunder
It reaches, be imaged, communicating etc. and having broad application prospects in fields, being one of hot research field of Terahertz.
The reflective super surface can realize multi-resonant (four linear polarization resonance points, five circular polarisation to linear polarization input pattern
Resonance point), high efficiency (highest transfer efficiency>99%) 90 degree of polarized rotations of back wave, while to left-handed and right-handed circular polarization
Ripple has very high transfer efficiency, and circular polarization phase error is small.Its operation principle is based on surface plasma wave electro-magnetic cross
Coupling mechanism.This new reflective Meta Materials polarizer has following unique advantage, polarizes including multiple resonant line and round
Polarized spot, high polarization transfer efficiency, the phase in Whole frequency band alternately change between minus 90 degree to positive 90 degree.The polarization simultaneously turns
Parallel operation is only three-decker, i.e. metal resonant ring structure sheaf, dielectric layer and metallic reflection flaggy, while multi-resonant is realized,
The appropriate substrate dielectric layer thickness that adjusts reaches that meet Fabry-Perot-type cavity (Fabry Perot interferometer-FP) dry
The effect of broadband polarization can be realized when relating to effect.
Polarizer is passive device particularly important in electromagnetism and optical field, can effectively realize polarization of ele shape
The regulation and control of state.Based on the traditional optical elements of principle of diffraction optics since volume is larger, it is difficult to meet Terahertz wireless communication and
The high integration requirement of high-resolution imaging system.The present invention is based on the super reflective poles of surface Terahertz of dual openings resonant ring array
Change device, there is high optical rotation, high polarization transfer efficiency and negative index characteristic, be greatly expanded such polarization device in terahertz
The hereby systematic differences prospect such as scanning antenna, imaging, sensing, communication modulation and detection.
In April, 2015 Central China Normal University Jiaxin Zhao et al. Microwave and Optical
It publishes an article on technology letters, gives a kind of multi-resonant reflection based on the C-band of L-type structure to Ku wave bands
Formula polarizer.Double L-shaped structure is mutually nested used by the polarizer, is unsymmetric structure in the vertical and horizontal direction.
Incident line polarization wave can be converted the line polarization wave and left/right hand circular polarization ripple of 90 ° of rotations by the polarizer.The polarizer exists
90 ° of rotations of linear polarization are there are five resonance peak, and polarization conversion efficiency is respectively 98.2%, 98.5%, 98.8%, 93.4% and
71.0%, when being polarised to circular polarisation conversion online, there are six resonance peaks.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies of the prior art and provide a kind of multi-resonant, polarization conversion
It is efficient, insertion loss is small, circular polarization phase difference is small, Out-of-band rejection is apparent, simple in structure, size is small, regulation and control are convenient, easy to process
The super reflective polarizer of surface Terahertz.
The present invention solve the technical problem the technical solution adopted is that, it is more that dual openings resonant ring array surpasses surface Terahertz
Tuned reflection formula polarizer is arranged at the gold of substrate dielectric substrate upper surface including substrate dielectric substrate, by N × N array mode
Belong to resonant element, the metallic reflector for being arranged at substrate dielectric substrate lower surface, it is characterised in that：
The metal resonant element is the becket of square, is provided with opening on two opposite sides of square, opens
Edge at mouthful is vertical with a side of square；The line angle at 45 ° on the side and array of square, the metal resonance list
Member is rotational symmetry, and symmetrical centre is square center；
N is integer, N >=30.
Further, the substrate dielectric substrate material dielectric constant is 3.15, magnetic conductivity 1, and loss tangent is
0.0008, thickness h=50 μm.
With in a line, the distance of the central point of adjacent square metal resonant ring is A, and the square-shaped metal ring length of side is B, golden
Category ring width is W, Opening length D；On the side where opening, the length for the longer sides divided that are open is L,
The material of becket is that electrical conductivity is 3.72 × 107S/m, thickness are the metallic aluminium of t；
T=1 μm, h=50 μm, A=257 μm, B=154 μm, W=15 μm, D=20 μm, L=70 μm.
The invention has the advantages that：
1) present invention constructs polarizer in a manner that individual layer resonance ring structure and metal backing combine, and utilizes minute manufacturing
Technology is processed, and the reflective polarizer of Terahertz, the configuration of the present invention is simple, volume are realized compared with bilayer or multilayer metamaterial structure
It is small, processing cost difficulty is low, controllable precision is high；
2) the present invention is based on electro-magnetic cross Polarization Couplings and F-P cavity interference effect to realize the reflective 90 degree of polarization of Terahertz
Device, the magnetic field polarity effect for not only having magnetic dipole to excite in polarized rotation mechanism also have the electric field pole that electric dipole excites
Change effect.The present invention provides a kind of novel reflective polarizer operation principle, in Terahertz wireless communication system, high-resolution
The fields such as imaging system, mirror antenna have important application value；
3) present invention is using square array configuration, the asymmetric row of horizontally and vertically formation in the plane of incidence
Row, effectively increase electro-magnetic cross coupling, realize the polarized effect of multi-resonant；
4) present invention is by changing the adjustment of resonant element structural parameters, resonant element arrangement mode and medium substrate parameter
Kind electro-magnetic cross coupling effect and polarized rotation effect, have the advantages such as multi-resonant, high polarization transfer efficiency, low insertion loss；
5) present invention can in microwave-Terahertz-light wave frequency range flexible modulation working range, realize single frequency point/more
Frequency point, single-mode/multi-mode, the polarized rotation of single incident angle/multiple angles of incidence degree.The present invention is to Terahertz transfer function
The development of device and detection device has highly important application value.
Description of the drawings
Fig. 1 is the super reflective pole of surface Terahertz multi-resonant provided by the invention based on dual openings resonant ring array structure
Change the three dimensional structure diagram of device；
Fig. 2 is the single resonant element structure diagram of metal resonance ring structure structure；
Fig. 3 is the surface current point of the super reflective polarizer of surface Terahertz multi-resonant based on dual openings resonant ring array
Cloth simulation result figure, wherein (a) f=0.348THz (b) f=0.64THz (c) f=0.95THz (d) f=1.093THz.
Fig. 4 is the reflective polarizer reflecting spectrum emulation of super surface Terahertz multi-resonant based on dual openings resonant ring array
Result figure.
Fig. 5 is that the reflective polarizer of super surface Terahertz multi-resonant based on dual openings resonant ring array changes substrate dielectric
Thickness realizes the simulation result figure in broadband.
Specific embodiment
The reflective 90 degree of polarizers of a kind of super surface Terahertz multi-resonant based on dual openings resonance ring structure, such as Fig. 1,2
It is shown, including signal input part/reflection output terminal 1, substrate dielectric substrate 4, substrate dielectric substrate upper surface metal chiral knot
Structure superficial layer 3, the metallic reflection plate superficial layer 5 of substrate dielectric substrate lower surface, signal transmission output terminal 2；The double layer of metal
Surface level is in the both side surface of layer of dielectric material；Metal resonant ring structural facer by periodical square arrangement dual openings
Resonant element is formed, and periodical resonance structure has N × N number of basic structural unit equidistantly arranged；The metal resonant ring
Structural facer (incidence end/reflection output terminal) resonant element is made of the square-shaped metal resonance ring structure of dual openings, double to open
There are two the square-shaped metals around basic structural unit central rotation symmetrical openings by having for the square-shaped metal resonance ring structure of mouth
Ring is formed, and becket is 45 degree with unit horizontal axis (x-axis) angle α；The metal structure cycle of the resonant element is A, is being entered
It penetrates on face and both vertically and horizontally forms unsymmetric structure, rotational symmetry structure, A hundred are formed on 45 degree of directions
Micron dimension.The metal ring length of the dual openings metal resonance ring structure is B, width W, Opening length D, thickness t.
B is hundred micron dimensions, and W and D are ten micron dimensions, and t is hundred nanometer scales.The periodicity resonance structure is used to be arranged along square
The planar array structure of row.Plane electromagnetic wave signal is inputted perpendicular to signal input part, successively by metal chiral structure sheaf, lining
Bottom dielectric substrate and metallic reflector, electromagnetic wave form back wave after electro-magnetic cross couples, and are exported from signal input part, finally
Complete 90 degree of polarized rotations of electromagnetic wave signal.
Ceramic medium material, crystal medium material or semi-conducting material may be employed in the substrate dielectric substrate material；
The wire member of the metal resonance structure can be the metal materials such as Au, Ag, Cu, Al or Ti/Pt/Au alloy.
The dual openings metal resonance ring structure of the periodic arrangement, the metal wire and opening of each resonant element can be with
Inductance and capacitance are equivalent to, dielectric layer can be equivalent to LC resonance device, so as to form LC resonance circuit.The physical machine of polarized rotation
Reason is as shown in Figure 3.Since incident THz wave forms different surface plasma wave pattern distributions, upper strata on polarizer surface
Metal resonant ring body structure surface is different with undermost metallic reflection plate Surface current distribution, four peak values of online polarization conversion
Four different electromagnetic coupling type polarization conversion mechanism are formed at Frequency point.Incidence wave is incident perpendicular to polarizer, electric field EiPole
Change direction be x directions, magnetic field HiPolarization direction is y directions.As shown in Fig. 3 (a), 3 (b), 3 (c), 3 (d), difference respective frequencies
For f1：0.348THz、f2：0.64THz、f3：0.95THz and f4：The sensing CURRENT DISTRIBUTION of upper and lower surface during 1.093THz.Work as f=
f1When, the sensing electric current of upper and lower surface is reversed, forms the magnetic dipole m of surface current composition1And m2, magnetic dipole excitation
Magnetic field H1And H2H can be decomposed into1x, H1yAnd H2x, H2y.Wherein H1yAnd H2yIt is vertical with incident electric fields direction, and put down with incident magnetic
Row, it is impossible to generate cross polarization conversion.H1xAnd H2xIt is parallel with incident electric fields direction, and it is vertical with incident magnetic, x will be encouraged
Cross polarization conversion occurs for the induction field in direction.Work as f=f2When, the sensing electric current of upper and lower surface is reversed, the magnetic dipole of formation
Sub- m1,m2,m3And m4The electric field H of excitation1, H2, H3And H4H can be decomposed into1x, H1y, H2x, H2y, H3x, H3yAnd H4x, H4y.Wherein
H1x, H2x, H3xAnd H4x, it is vertical with incident magnetic direction, cross polarization conversion will be generated.Work as f=f3When, the induced electricity of upper surface
Flow the electric dipole p formed1And p2The electric field E of excitation1And E2E can be decomposed into1x, E1yAnd E2x, E2y.The sensing electric current of lower surface
The electric dipole p of formation3The electric field E of excitation3It can be analyzed to E3x, E3y, wherein E1y, E2yAnd E3yIt is vertical with incident electric fields direction, it will
Generate cross polarization conversion.Work as f=f4When, the electric dipole p of upper and lower surface formation1, p2, p3, p4, p5, p6, p7And p8, excitation sense
Answer the E of electric field1, E2, E3, E4, E5, E6, E7And E8Conjunction component in y-direction is vertical with incident electric fields direction, will generate cross-pole
Change conversion.By adjusting the thickness of substrate dielectric layer, the F-P with interference effect is formed between the metal structure of levels
Chamber achievees the purpose that the Polarization Coupling effect for adjusting interlayer up and down, so as to form the reflective 90 degree of polarization of the Terahertz in broadband
Conversion.Similarly it is adjusted for the structural parameters of resonant element, thus it is possible to vary the pattern distribution of surface plasma wave, it is real
Now to the adjustment of the characteristics such as resonant frequency, Out-of-band rejection, polarization conversion efficiency, phase place change.Structural parameters, the medium of polarizer
The parameters such as substrate electromagnetism constitutive parameter and metal material thickness all by joint effect polarizer performance, pass through theoretical calculation and emulation
Simulation can optimize polarizer structure, can be designed that the Terahertz polarized rotation device for meeting Practical Project requirement.
In present embodiment, with the distance of the central point of adjacent metal resonant element in a line, the adjacent gold with same row
The distance for belonging to the central point of resonant element is equal.
The present invention is further described below in conjunction with the accompanying drawings.
A kind of super reflective polarizer of surface Terahertz multi-resonant based on dual openings resonant ring array, as shown in Figure 1, 2,
Metal resonance ring structure, substrate dielectric substrate and metallic reflection plate including periodic arrangement；The dual openings resonant ring surpasses table
Face structure includes metal resonant ring structural facer, layer of dielectric material and metal backing superficial layer；The double layer of metal structure table
Surface layer is located at the both side surface of layer of dielectric material, and metal resonant ring structural facer is by the reflective humorous of periodical square arrangement
The unit that shakes is formed, and periodical resonance structure has N × N number of metal resonant ring structural unit equidistantly arranged, and N >=30；Institute
Stating metal resonant ring structural facer resonant element, there are two the pros around basic structural unit central rotation symmetrical openings by having
Shape becket is formed, and square-shaped metal ring is 45 degree with unit horizontal axis (x-axis) angle α.
The substrate dielectric substrate material uses PET material, and dielectric constant is about 3.15, magnetic conductivity 1, loss tangent
About 0.0008, thickness h；The wire member of the metal resonance structure uses electrical conductivity as 3.72 × 107S/m, thickness t
Metallic aluminium.
The structural parameters that resonant ring as shown in Figure 2 surpasses surface are：N=32, t=1 μm, h=50 μm, A=257 μm, B=
154 μm, W=15 μm, D=20 μm, L=70 μm, α=45 °.
Fig. 4 positions are the reflective polarizer reflecting spectrum of super surface Terahertz multi-resonant based on dual openings resonant ring array
Simulation result figure.Polarizer reflecting spectrum is simulated to obtain through three-D high frequency electromagnetic simulation software：As shown in Fig. 4 (a), when y directions
During linear polarization incidence wave vertical incidence, when frequency is respectively 0.348THz, 0.64THz, 0.95THz and 1.093THz, y directions
The polarization conversion efficiency (PCR) in polarized rotation to x directions is respectively that 1,0.992,0.965 and 1, x direction polarization rotate to y directions
Polarization conversion efficiency it is essentially identical with the former；As Fig. 4 (b) show the relative phase difference of y directions linear polarization incidence
When frequency is respectively 0.348THz, 0.64THz, 0.95THz and 1.093THz,Near 0 ° or ± 180 °, show this
When be linear polarization state；When frequency is respectively 0.323THz, 0.727THz and 0.868THZ,Near respectively 90 °,
When frequency distinguishes 0.404THz and 0.505THz,Near respectively -90 °, corresponding magnitude relation is | rxy|2=|
ryy|2Near 0.5, show to be respectively left-hand circular polarization state and right-handed circular polarization state at this time；In figure remaining phase difference for ±
Corresponding 90 ° of point is elliptic polarization state.
Fig. 5 is that the reflective polarizer of super surface Terahertz multi-resonant based on dual openings resonant ring array changes substrate dielectric
Thickness realizes the simulation result figure in broadband.When the thickness of appropriate change substrate dielectric layer, according to F-P effects, incoming electromagnetic
Ripple forms multiple resonance in upper and lower surface, and bandwidth can be expanded after being overlapped mutually.Known by Fig. 5, when h=70 μm, in frequency model
Enclose in the range of 0.325THz-0.735THz, reflection efficiency | ryx|20.85 is all higher than, relative bandwidth reaches 77%.
Processing scheme is intended using micro-nano lithographic process technologies；Experimental program is intended using terahertz time-domain spectroscopy instrument or Terahertz
Vector network analyzer surveys the reflective polarizer of the Terahertz of preparation, it should be noted that due to being reflective polarization
Device is, it is necessary to make incidence wave direction and back wave direction deviate certain angle, in order to test.Consider to join due to base material electricity
The measurement error that number, metal material conductivity, machining accuracy and measuring apparatus precision etc. are brought, and binding test result is to polarization
Device model carries out the performance that further engineering optimization is expected to further improve polarizer.
Dual openings resonant ring array structure in this case can select appropriate medium base according to the difference of working frequency range
Bottom material and metal material are processed using different processing technologys, such as PCB technologies, ion etching technology, induced with laser skill
Art or conventional lithographic techniques etc..
Claims (3)
1. dual openings resonant ring array surpasses the reflective polarizer of surface Terahertz multi-resonant, including substrate dielectric substrate, by N × N
Array way is arranged at the metal resonant element of substrate dielectric substrate upper surface, is arranged at the metal of substrate dielectric substrate lower surface
Reflecting layer, it is characterised in that：
The metal resonant element is the becket of square, and opening, opening are provided on two opposite sides of square
Edge with square a side it is vertical；The line angle at 45 ° on the side and array of square, the metal resonant element are
Symmetrically, symmetrical centre is square center；
N is integer, N >=30.
2. dual openings resonant ring array as described in claim 1 surpasses the reflective polarizer of surface Terahertz multi-resonant, feature
It is, the substrate dielectric substrate material dielectric constant is 3.15, magnetic conductivity 1, loss tangent 0.0008, the μ of thickness h=50
m。
3. dual openings resonant ring array as claimed in claim 2 surpasses the reflective polarizer of surface Terahertz multi-resonant, feature
It is, in a line, the distance of the central point of adjacent square metal resonant ring is A, and the square-shaped metal ring length of side is B, metal
Ring width is W, Opening length D；On the side where opening, the length for the longer sides divided that are open is L,
The material of becket is that electrical conductivity is 3.72 × 107S/m, thickness are the metallic aluminium of t；
T=1 μm, h=50 μm, A=257 μm, B=154 μm, W=15 μm, D=20 μm, L=70 μm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109585982A (en) * | 2018-11-27 | 2019-04-05 | 西安电子科技大学 | A kind of automatically controlled adjustable polarization converter based on super surface |
| CN109687157A (en) * | 2018-12-28 | 2019-04-26 | 西安电子科技大学 | The super surface of controllable suction wave and polarization conversion function based on electric field triggering |
| CN109870824A (en) * | 2019-04-19 | 2019-06-11 | 桂林电子科技大学 | A kind of efficient Terahertz Meta Materials linear polarization converter |
| CN110380222A (en) * | 2019-06-17 | 2019-10-25 | 东南大学 | A kind of super surface cell of Huygens, transmission array antenna and unit phase control method |
| CN110455743A (en) * | 2019-08-19 | 2019-11-15 | 中央民族大学 | Utilize the method for terahertz wave band Meta Materials sensor detection aflatoxin B1 and B2 |
| CN110797662A (en) * | 2019-06-04 | 2020-02-14 | 曲阜师范大学 | Broadband reflection type electromagnetic wave polarization rotating super surface |
| CN111129782A (en) * | 2019-12-31 | 2020-05-08 | 哈尔滨工业大学 | Double circular polarization three-channel retro-reflector based on super surface |
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| CN111934067A (en) * | 2020-06-17 | 2020-11-13 | 西安理工大学 | Multifunctional ultra-wideband polarization turning regulator based on U-shaped super surface |
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| CN113670848A (en) * | 2021-08-23 | 2021-11-19 | 中国人民解放军军事科学院国防科技创新研究院 | High-resolution broadband terahertz detector based on pixelized structure and detection method |
| CN114122703A (en) * | 2021-11-22 | 2022-03-01 | 电子科技大学 | Terahertz independent electric control coding antenna |
| CN115101942A (en) * | 2022-06-29 | 2022-09-23 | 四川太赫兹通信有限公司 | Polarization conversion unit and polarization converter |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2930040A (en) * | 1955-10-07 | 1960-03-22 | Gilfillan Bros Inc | Radiation polarization control |
| CN105846109A (en) * | 2016-03-31 | 2016-08-10 | 深圳超级数据链技术有限公司 | Metamaterial and polarizer |
-
2017
- 2017-10-25 CN CN201711009046.XA patent/CN108063316A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2930040A (en) * | 1955-10-07 | 1960-03-22 | Gilfillan Bros Inc | Radiation polarization control |
| CN105846109A (en) * | 2016-03-31 | 2016-08-10 | 深圳超级数据链技术有限公司 | Metamaterial and polarizer |
Non-Patent Citations (1)
| Title |
|---|
| HONGEN SU ET AL.: "Terahertz Multi-band reflective polarization converter based on TSRR metamaterial", 《2016 11TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND EM THEORY (ISAPE)》 * |
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| CN112909553A (en) * | 2021-01-15 | 2021-06-04 | 重庆邮电大学 | Circular polarization transmission array antenna unit based on rotation phase modulation method |
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| CN112859230B (en) * | 2021-01-20 | 2022-11-25 | 成都第三象限未来科技有限公司 | Terahertz super-structure focusing lens for realizing one-way spin circular polarization state conversion |
| CN113036446A (en) * | 2021-04-06 | 2021-06-25 | 南京邮电大学 | Terahertz super-surface for efficiently driving liquid crystal molecules |
| CN113670848A (en) * | 2021-08-23 | 2021-11-19 | 中国人民解放军军事科学院国防科技创新研究院 | High-resolution broadband terahertz detector based on pixelized structure and detection method |
| CN114122703A (en) * | 2021-11-22 | 2022-03-01 | 电子科技大学 | Terahertz independent electric control coding antenna |
| CN115101942A (en) * | 2022-06-29 | 2022-09-23 | 四川太赫兹通信有限公司 | Polarization conversion unit and polarization converter |
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| CN115395243A (en) * | 2022-07-11 | 2022-11-25 | 西安科技大学 | Ultra-wideband polarizer applied to beam regulation |
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