CN118381532A - A programmable information metasurface device and method for polarization light control - Google Patents
A programmable information metasurface device and method for polarization light control Download PDFInfo
- Publication number
- CN118381532A CN118381532A CN202410541657.2A CN202410541657A CN118381532A CN 118381532 A CN118381532 A CN 118381532A CN 202410541657 A CN202410541657 A CN 202410541657A CN 118381532 A CN118381532 A CN 118381532A
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- Prior art keywords
- light
- metasurface
- programmable information
- polarized light
- linear module
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000010287 polarization Effects 0.000 title claims description 5
- 239000000463 material Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000004997 Liquid crystal elastomers (LCEs) Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- DQFBYFPFKXHELB-VAWYXSNFSA-N trans-chalcone Chemical compound C=1C=CC=CC=1C(=O)\C=C\C1=CC=CC=C1 DQFBYFPFKXHELB-VAWYXSNFSA-N 0.000 description 2
- DQFBYFPFKXHELB-UHFFFAOYSA-N Chalcone Natural products C=1C=CC=CC=1C(=O)C=CC1=CC=CC=C1 DQFBYFPFKXHELB-UHFFFAOYSA-N 0.000 description 1
- 108091026890 Coding region Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005513 chalcones Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000011907 photodimerization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/04013—Intelligent reflective surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/548—Phase or frequency modulation
- H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
- H04B10/5561—Digital phase modulation
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Polarising Elements (AREA)
Abstract
A polarized light-operated programmable information super-surface device and a method thereof comprise a base, wherein a biaxial linear module is vertically arranged on the base, a light shielding plate is connected to the moving end of the biaxial linear module, laser equipment for emitting polarized light is arranged on one side of the light shielding plate, a support is arranged on the other side of the light shielding plate, a super-surface structure is connected to the support, a horn-shaped light through hole for ultraviolet light to pass through is formed in the center of the light shielding plate, and the biaxial linear module and the laser are controlled by a computer. The invention can realize phase regulation and control of incident electromagnetic waves by using polarized laser.
Description
Technical Field
The invention relates to the field of novel artificial electromagnetic materials, in particular to a polarized light-operated programmable information super-surface device and a method.
Background
The super surface is usually a two-dimensional artificial micro/nano array composed of discrete electromagnetic scatterers with sub-wavelength dimensions, and has excellent electromagnetic wave regulation capability. Through designing the optical characteristics, the geometric shapes and the spatial arrangement of the super-surface structural units, parameters such as the amplitude, the phase, the orbital angular momentum and the like of the incident electromagnetic waves can be accurately controlled, the functions such as deflection, focusing, wave absorption and the like of electromagnetic energy are realized, and the super-surface structural units have wide application values in the fields such as military stealth, optical communication, display technology, sensing and the like. Information supersurface refers to a supersurface material used in information processing that is a cross science product that combines information science, electrodynamics, and material science. In general, the incident electromagnetic field is controlled by the unit structure regulation of the digital coding representation, and an additional degree of freedom is provided in the time dimension, so that the unit structure regulation of the digital coding representation becomes a nonlinear device on the premise of not using nonlinear materials, and various information control functions such as beam forming, holographic imaging, spectrum selection and the like are realized.
The information super-surface has wide application in the fields of optics, communication, radar, sensing, laser technology and the like, and provides new possibility for realizing more efficient electromagnetic wave control and application. For example, the field programmable information super surface mainly uses FPGA or similar hardware circuit, and uses binary code to trigger different code sequences, so as to realize dynamic control of incident electromagnetic report. The basic principle is that the method for representing the super surface by utilizing digital coding is to discretize electromagnetic parameters of basic constituent units of the super surface and combine super surface physics with intelligent algorithm, information processing and other technologies. The state of each unit can be effectively controlled by arranging the coding units on the two-dimensional plane according to a pre-designed coding sequence, and then electromagnetic waves are controlled by utilizing the super surface. In addition to information super-surface controlled by FPGA, field programmable regulating information super-surface devices of other technical paths are very rare, and development of new information super-surface technology and devices is urgent and necessary.
Disclosure of Invention
The invention provides a polarized light-operated programmable information super-surface device and a method, which are different from the mode of digital coding by using FPGA widely adopted by the current information super-surface, and can realize phase regulation and control on incident electromagnetic waves by using polarized laser.
In order to solve the problems, the technical scheme of the invention is as follows:
The utility model provides a polarization light-operated programmable information super surface device, includes the base, is provided with the straight line module of diaxon on the base vertically, is connected with the light screen on the straight line module of diaxon removes the end, is equipped with the laser equipment that is used for transmitting polarized light in light screen one side, is equipped with the support in light screen another side, is connected with super surface structure on the support, has offered the tubaeform logical unthreaded hole that is used for the ultraviolet light to pass at the light screen center, and diaxon straight line module and laser are equipped with by computer control.
The super-surface structure comprises a transparent medium substrate, one surface of the transparent medium substrate is a frosted surface, the frosted surface is coated with a photosensitive material, and a metal film is covered on the photosensitive material.
A method of polarizing optically controlled programmable information subsurface apparatus, comprising the steps of:
the first step, connecting a laser device and a two-axis linear module to a computer, and setting the wavelength and the light intensity of ultraviolet light emitted by the laser device;
secondly, controlling the biaxial linear die through a computer to enable ultraviolet light of the laser device to be appointed to irradiate the photosensitive material through a light-passing hole on the light shielding plate, wherein the irradiation time is at least 0.5 hour;
And thirdly, repeating the operation of the second step until a resonator structure is formed, wherein the resonator structure can realize the phase regulation and control of the incident electromagnetic wave.
The beneficial effects of the invention are as follows:
1. The state of the super-surface structural unit which is changed in the device can be restored after the super-surface structural unit is irradiated by another polarized light, so that the repeated programming and multiple utilization are realized.
2. The metal film with the super-surface structure has good conductivity and optical performance, preferably noble metals such as silver and gold, and can be used for adjusting the transmission wavelength and enhancing the absorption.
3. The shading plate selected by the invention is close to the back of the super surface, so that a strong diffraction effect can be avoided.
4. The polarized laser irradiates the appointed structural unit through the circular truncated cone-shaped light transmission hole through the two-axis sliding table.
5. Polarized laser light emitted from the laser device can be used to convert the subsurface structural unit that was not irradiated with polarized light into a subsurface structural unit that was irradiated with polarized light.
Drawings
The invention is further described with reference to the accompanying drawings:
figure 1 is a schematic view of the structure of the present invention,
FIG. 2 is a schematic cross-sectional view of a super-surface structure according to the present invention,
Figure 3 is a side view of the present invention of a supersurface structure and a mask,
FIG. 4 is a cross-sectional view of a light-passing hole in a mask according to the present invention,
Fig. 5 is a schematic diagram of the application of the super surface of the present invention to adjust the phase of an incident electromagnetic wave.
In the figure: the device comprises a base 1, a bracket 2, a light through hole 3, a light shielding plate 4, a super-surface structure 5, a laser device 6, a two-axis linear module 7, a computer 8, a transparent medium substrate 51, a photosensitive material 52, a metal film 53, a super-surface structure unit 54 which is not irradiated by polarized laser, and a super-surface structure unit 55 which is irradiated by polarized laser.
Detailed Description
As shown in fig. 1 to 5, a polarization light-operated programmable information super-surface device comprises a base 1, wherein a biaxial linear module 7 is vertically arranged on the base 1, a light shielding plate 4 is connected to the mobile end of the biaxial linear module 7, a laser device 6 for emitting polarized light is arranged on one side of the light shielding plate 4, a support 2 is arranged on the other side of the light shielding plate 4, a super-surface structure 5 is connected to the support 2, a horn-shaped light through hole 3 for ultraviolet light to pass through is formed in the center of the light shielding plate 4, and the biaxial linear module 7 and laser are controlled by a computer 8.
The super surface structure 5 comprises a transparent medium substrate 51, one surface of the transparent medium substrate 51 is sandblasted to form a frosted surface, a photosensitive material 52 is coated on the frosted surface, the frosted surface is uneven so that the frosted surface can accommodate more photosensitive materials 52, the photosensitive material 52 is a monoacrylate liquid crystal elastomer containing chalcone intermediates, and a silver metal film 53 is covered on the photosensitive material 52. The thickness of the metal film 53 is 50 nm to 100 nm. The thickness of the light shielding plate 4 is less than 500 nanometers. The aperture of the circular hole facing to the super-surface structure 5 side in the horn-shaped light-passing hole 3 is 0.5-5 microns, and the aperture facing away from the super-surface structure 5 is 1-10 microns.
A method of using a polarized light controlled programmable information subsurface device, comprising the steps of:
the first step, connecting a laser device 6 and a two-axis linear module 7 to a computer 8, and adjusting the optical parameters of the laser device 6 into ultraviolet light with the wavelength of 365 nanometers and the light intensity of 80 milliwatts per square centimeter;
Secondly, controlling a biaxial linear die through a computer 8, so that the ultraviolet light of the laser equipment 6 designates a structural unit of the liquid crystal elastomer irradiated into the photosensitive material 52 through a light-passing hole 3 on a light-shielding plate 4, wherein the irradiation time is at least 0.5 hour, thereby ensuring that the chalcone part has photodimerization reaction and realizing state transition;
And thirdly, repeating the operation of the second step until a resonator structure is formed, wherein the resonator structure can realize the phase regulation and control of the incident electromagnetic wave.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410541657.2A CN118381532B (en) | 2024-04-30 | 2024-04-30 | Polarization light-controlled programmable information super-surface device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410541657.2A CN118381532B (en) | 2024-04-30 | 2024-04-30 | Polarization light-controlled programmable information super-surface device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118381532A true CN118381532A (en) | 2024-07-23 |
| CN118381532B CN118381532B (en) | 2024-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410541657.2A Active CN118381532B (en) | 2024-04-30 | 2024-04-30 | Polarization light-controlled programmable information super-surface device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04243177A (en) * | 1991-01-17 | 1992-08-31 | Sony Corp | Laser light generator |
| CN114911059A (en) * | 2022-06-10 | 2022-08-16 | 京东方科技集团股份有限公司 | Optical display device and head-mounted display equipment |
| CN115394818A (en) * | 2022-08-31 | 2022-11-25 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| US11747446B1 (en) * | 2022-08-26 | 2023-09-05 | Lumotive, Inc. | Segmented illumination and polarization devices for tunable optical metasurfaces |
| CN117199825A (en) * | 2023-09-27 | 2023-12-08 | 中国人民解放军空军工程大学 | A programmable metasurface control system |
-
2024
- 2024-04-30 CN CN202410541657.2A patent/CN118381532B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04243177A (en) * | 1991-01-17 | 1992-08-31 | Sony Corp | Laser light generator |
| CN114911059A (en) * | 2022-06-10 | 2022-08-16 | 京东方科技集团股份有限公司 | Optical display device and head-mounted display equipment |
| US11747446B1 (en) * | 2022-08-26 | 2023-09-05 | Lumotive, Inc. | Segmented illumination and polarization devices for tunable optical metasurfaces |
| CN115394818A (en) * | 2022-08-31 | 2022-11-25 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN117199825A (en) * | 2023-09-27 | 2023-12-08 | 中国人民解放军空军工程大学 | A programmable metasurface control system |
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| Publication number | Publication date |
|---|---|
| CN118381532B (en) | 2024-12-17 |
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