Composite three-dimensional ultra-wide-band metamaterial transparent wave absorber
An ultra-bandwidth and metamaterial technology, applied in the field of metamaterial transparent absorbers, can solve the problem that absorbers cannot take into account broadband absorption and high visible light transmittance.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0042] The present invention provides a composite three-dimensional ultra-broadband metamaterial transparent absorber, which includes a plurality of structural units 1, and the plurality of structural units 1 are periodically and continuously distributed in two dimensions. Each structural unit 1 includes a lower structure, a middle structure and an upper structure from bottom to top; the middle structure includes four hollow cylinder units 11, and the four hollow cylinder units 11 are arranged in a rectangular array; each hollow cylinder unit 11 A regular N-gon hollow cylinder structure with rotational symmetry is a cylinder structure with a certain depth and height, wherein N is an even number, and N≥4; the side wall of the hollow cylinder structure serves as the supporting layer 111, and the inner side The conductive film layer 112 is attached; the upper structure includes a frequency selective surface 14, and the frequency selective surface 14 covers the upper surface of the...
Embodiment 2
[0045] The present invention provides a composite three-dimensional super-bandwidth metamaterial transparent absorber, which is further improved on the basis of Example 1. The absorber is continuously distributed with more than 20 structural units 1 in both directions. , all structural units are distributed in a rectangular array. Each structural unit can be completely overlapped when it is rotated 90°, 180°, 270°, 360° along its geometric center point in the plane. The structure of each part is as follows:
[0046](1) Hollow cylinder unit: The angle between the axial direction of the hollow cylinder unit 11 and the surface of the substrate layer 12 is 90°, and the hollow cylinder structure adopts a cube, honeycomb prism or cylinder structure.
[0047] The interval between adjacent hollow cylinder units 11 in the same plane is w, and it satisfies 0.8λ≥w≥0.1λ; the maximum dimension of the hollow cylinder units 11 in the electric field polarization direction is L, and 1.2λ≥L ≥...
Embodiment 3
[0053] The present invention provides a composite three-dimensional ultra-bandwidth metamaterial transparent absorber, which is further improved on the basis of Example 1. In this case, the shortest wavelength λ is 6mm, and the structural design of each component is as follows:
[0054] The size of the structural unit p=4λ;
[0055] The maximum size L of the hollow cylinder unit in the electric field polarization direction is 1.4λ;
[0056] The height of the hollow cylinder unit h=2λ;
[0057] The gap between adjacent hollow cylinder units in the same plane w=0.67λ;
[0058] The thickness of the support layer is g 3 =0.001λ;
[0059] The thickness of the conductive film layer is g 0 = 0.0016λ;
[0060] The gap width at the fracture of the strip frequency selective surface g=0.017λ;
[0061] The thickness of the frequency selective surface g 2 = 0.0016λ;
[0062] Thickness of backplane layer g 1 =0.001λ;
[0063] The thickness of the substrate layer d=0.01λ.
[0064]...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com