Ultra wide wave band near-infrared electromagnetic wave absorber
A near-infrared and absorber technology, applied in instruments, optical components, optics, etc., can solve the problems of limited size and area, high production cost, and reduced production repeatability, and achieve large-area production integration, perfect absorption effect, and wide The effect of applying the foreground
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0028] see figure 1 , the present embodiment selects two kinds of monodisperse polystyrene microspheres (i.e. dielectric spheres), the diameters of which are 1080 nanometers and 1570 nanometers, and the mixing volume ratio is 1:1; A gold film with a thickness of 100 nanometers was deposited by the method; secondly, a two-dimensional mixed dielectric ball array was self-assembled on the gold film substrate; and then the surface of the two-dimensional dielectric ball array was self-assembled by argon ion sputtering coating method Directly deposit a layer of gold film with a thickness of 13 nm;
[0029] see figure 2 , the experimental results show that the ultra-broadband near-infrared absorber exhibits absorption rates of 99.7%, 98.1% and 98.7% at wavelengths of 1.497 microns, 1.735 microns and 2.139 microns respectively; In the band, the absorption rate exceeds 90%, reaching a near-perfect absorption of an ultra-wide spectrum.
Embodiment 2
[0031] In this embodiment, two kinds of monodisperse polystyrene microspheres are selected, the diameters of which are 1080 nm and 1570 nm, and the mixing volume ratio is 1:1; A gold film of 100 nanometers; secondly, self-assemble a two-dimensional mixed array of dielectric ball arrays on the gold film substrate. Then, a gold film with a thickness of 16 nanometers is directly deposited on the surface of the two-dimensional dielectric ball array by argon ion sputtering coating method;
[0032] see image 3 , the experimental results show that the ultra-broadband near-infrared absorber exhibits absorption rates of 98.9%, 98.8% and 98.5% at wavelengths of 1.486 microns, 1.731 microns and 2.089 microns respectively; In the band, the absorption rate exceeds 90%, reaching a near-perfect absorption of an ultra-wide spectrum.
Embodiment 3
[0034] In this example, two kinds of monodisperse polystyrene microspheres are selected, the diameters of which are 1080 nm and 1570 nm, and the mixing volume ratio is 1:1; A gold film of 100 nanometers; secondly, self-assemble a two-dimensional mixed array of dielectric ball arrays on the gold film substrate. Then, a gold film with a thickness of 20 nanometers is directly deposited on the surface of the two-dimensional dielectric ball array by argon ion sputtering coating method;
[0035] see Figure 4 , the experimental results show that the ultra-broadband near-infrared absorber exhibits absorption rates of 97.5%, 98.8% and 98.7% at wavelengths of 1.467 microns, 1.754 microns and 2.056 microns respectively; In the band, the absorption rate exceeds 90%, reaching a near-perfect absorption of an ultra-wide spectrum.
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