Telephones, IPADs, mobile phones, and other products that are completely dependent on people, with the development of the digital age, implanted people's lives, but also accurately reflected the ability of humans to master and use the spectrum. From telegram to 5G communication, it is actually a story about how to use the spectrum more efficiently...

There is such a team, ten years of grinding a sword, steady and steady, the terahertz test frequency is developed to 500GHz, the development of four kinds of instruments and three kinds of test systems, all covering the frequency range of 50GHz~500GHz, filling the domestic gap, China Electronic Technology The 41st Research Group of the Group is the only supplier in the world that can provide complete test solutions. Under the leadership of the first accomplished person of the "Millimeter Wave and THz Measurement System" project and the chief scientist of the test instrument of China Electronics Technology Group Co., Ltd., the subject won the "2018 National Progress Award Second Prize". .

So, what exactly is a terahertz wave?

Terahertz waves, also known as far-infrared waves, have been rated as one of the "Top Ten Technologies for Changing the Future World". It is the last segment of the electromagnetic band that has not been fully recognized and applied by humans. Due to its high frequency, short pulse, strong penetrability, and low energy, it has less damage to matter and human body. Therefore, compared with X-ray, terahertz imaging technology and spectrum technology have advantages in space detection and medical imaging. , security inspection, broadband communication and other aspects have broad prospects.

In 2006, when he was engaged in the research of terahertz testing technology, the team led the team to focus on the four test instruments and three test systems commonly used in terahertz technology research, and proposed that the test frequency starts from 50 GHz and goes to higher frequencies. The development idea of ​​progressively promoting the whole.

Millimeter wave and terahertz 4 test instruments and 3 test system parts product photos

Ten years in a row, the innovation team is steadily moving and gradually increasing the frequency of testing. The team carried out the research of terahertz core chip, solved the problem of terahertz device, developed four measuring instruments and three measuring systems from 50GHz to 500GHz, which filled the domestic gap and realized the whole industry chain of core components, components, instruments and test systems. Self-controllable. "After the continuous development in 2017 and 2018, the current test frequency can reach 750GHz." Yan Fushun told reporters.

Instruments are the basic tools and means to develop millimeter-wave and terahertz test technologies. Higher education institutions, research institutions and related companies engaged in related technology research and product development are inseparable from test instruments. According to the company, the team developed and developed the core components of the human body security equipment. The advanced terahertz detection technology has improved the detection sensitivity of the domestic human body security instrument, and also met the testing requirements of space communication, 5G mobile communication millimeter wave antenna and other equipment.

However, Nian Fushun believes that terahertz technology is still in the development stage, and most of them are still in the process of key technology research and technology maturity, and there is still a big gap from the wide range of applications.

He proposed that for the future application of terahertz technology, it should be rationally analyzed. For the application related to the major lifeline of the country, it is possible to focus on the breakthrough of funds without regard to cost. For terahertz scientific research and industrial applications, we must pay attention to market analysis, support the development of industrialized terahertz technology, transfer the successful experience and research results of the microwave and millimeter wave frequency band to the terahertz band, and build miniaturization and low cost. The terahertz system is inexpensive.

While researching, promoting and promoting applications, by the end of 2016, millimeter-wave and terahertz test systems have been used in national “nuclear high-base” and “broadband mobile communications” major projects, “Fengyun” satellite, air and space-based communications. Key projects such as platforms, imaging radars, and new human body security instruments have more than 200 users and are exported overseas.

“Once the millimeter wave and terahertz technology are mature and widely applied, the research results of the project will go out of the laboratory and enter the production line, which can not only promote the scientific research of millimeter wave and terahertz, but also support the development of millimeter wave and terahertz industry.” Despite the difficulty of development, under the leadership of the annual husband, the pace of team innovation has not stopped. It is climbing higher technological peaks with higher passion and full enthusiasm, and taking practical actions for terahertz technology research. And engineering applications provide strong support.

With the rapid development of modern electronic information technology, the electromagnetic signal density in the microwave frequency band is getting higher and higher. China's radar, communications, security detection, non-destructive detection, biomedical, meteorological remote sensing, space detection and other fields have adopted the millimeter wave and terahertz system, which has stimulated the creation of millimeter wave and terahertz technology, and promoted millimeter wave and terahertz technology. Innovation and development.

According to the annual Fushun, at present, the 750GHz test instrument and test system have basically been promoted and applied, and will be put on the market. At the same time, the team is working on the development of 1.1THz test instruments and test systems.

"This national award is an affirmation of our work for more than ten years, which greatly enhances our self-confidence and encourages us to move toward higher goals. More importantly, it has increased the visibility of domestically produced instruments and improved the domestic users. The confidence in using domestically produced instruments is particularly conducive to the further promotion and application of domestically produced instruments, which will surely bring more significant economic and social benefits."


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