Author: Cheng Guolun, Li Wenxin, Sun Bo, Ying Yuying, Yang Wenxing

Institute: School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, PR China

The quad-band highly sensitive tunable absorber based on Al-Cu-Fe quasicrystals is an innovative device that can effectively absorb electromagnetic waves in a wide frequency range. Thanks to the use of quasicrystals, this absorber has high sensitivity to electromagnetic radiation, making it an ideal solution for various technical applications, including radio communications, radar, medical diagnostics and other areas where effective protection against electromagnetic interference is required. As a result of research and testing, optimal adjustment of absorption ranges was achieved, which allows the device to operate successfully in various conditions and guarantee reliable protection from external influences.

Technology based on the use of quasicrystals makes it possible to create efficient and compact devices that can operate in various conditions and provide reliable protection against electromagnetic interference. Due to its high sensitivity to electromagnetic radiation, the quasicrystal absorber provides effective filtering of signals over a wide frequency range, making it ideal for applications in various industrial and scientific fields.                                            

In addition, the tunable range of the absorber makes it easy to control its operation depending on specific needs and operating conditions. This makes the device universal and ready for use in various tasks where reliable protection against electromagnetic influences is required. Thanks to its sophisticated design and optimized characteristics, the quasicrystal absorber provides high efficiency and reliable operation.

Finally, thanks to continuous work on improving technology and optimizing production processes, this device is becoming increasingly accessible and competitive on the market. Engineers and specialists continue to explore the use of quasicrystals to create new devices with even higher sensitivity and efficiency. Thus, a four-band highly sensitive tunable absorber based on quasicrystals remains an important and promising direction in the development of electromagnetic interference protection technologies.