The terahertz letter security equipment jointly developed by the Fraunhofer Institute for Physical Testing Technology and Hubner will be launched in the European market. The 38 domestic electronics technology group also researched the first terahertz human security equipment. There are indications that terahertz technology is ushering in a key industrialization opportunity, and its future application in security inspection and detection is expected to open up a considerable market share.
Significantly improved security
As a technology in this century's revolutionary frontier of science and technology, terahertz is located in the "vacuum zone" between the millimeter wave and the infrared in the electromagnetic spectrum. Its frequency is about 1 trillion Hz and it has strong penetrability. Terahertz imaging has the unique advantage of enabling three-dimensional imaging of objects that cannot be visualized. The technology has been initially applied to security areas such as checking mail, identifying explosives and non-destructive testing, but it is only a preliminary application.
From a technical point of view, terahertz security equipment will be greatly improved in terms of safety and reliability. The terahertz security equipment uses passive detection, that is, the transmitting equipment does not have any ionization or electromagnetic radiation, so there is no harm to the detected personnel and objects. In addition, considering the fact that the rays emitted by different objects have distinct characteristics, terahertz technology can help to find substances that were not possible or difficult to find in conventional security equipment. Whether it is a metallic material, an explosive powder or an illegal food additive, it will be fully visible in the face of terahertz imaging equipment.
Can be applied to fields such as life sciences
In addition to terahertz security equipment, terahertz electromagnetic waves can be applied to many important fields such as life sciences, materials science, astronomy, atmospheric and environmental monitoring, and communication. Terahertz wireless communication can solve the problem of limited information transmission at present, and can carry a larger amount of information. It is the only communication means known to meet the communication requirements of big data wireless transmission rate.
From a practical point of view, the terahertz security equipment used in anti-terrorism and national security will have considerable industrial prospects. China has already broken the monopoly of terahertz technology in developed countries such as Europe and the United States. Many domestic companies have gradually mastered core technologies through long-term technical research and laid a good foundation for the industrialization of terahertz technology.
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