Chinese scientists claims to have several breakthroughs in stealth materials technology that will make fighter jets and other weapons lighter, cheaper to build and able to avoid radar detection.
Professor Luo Xiangang and colleagues at the Institute of Optics and Electronics, Chinese Academy of Sciences in Chengdu, Sichuan province, said they had created the world’s first mathematical model to precisely describe how electromagnetic waves when they strike a piece of metal engraved with microscopic patterns.
In one test, the new technology cut the strength of a reflected radar signal – measured in decibels – by between 10 and nearly 30dB in a frequency range from 0.3 to 40 gigahertz.
The metamaterial would need to be able to withstand the heat and pressures of supersonic flight for it to be used on fighter jets. They would also need to make many square meters of the material for each plane.
SOURCES- South China Morning Post
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