1357250000

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1357250000 Application Field and Working Principle

1357250000, also known as terahertz, is a frequency range of electromagnetic waves used to penetrate various objects to generate an image, just like an x-ray machine. The frequency range corresponds to 1,000,000 gigahertz, and is also referred to as T-rays or T-waves, although the actual radiation used is usually the long-wavelength millimeter wave and the submillimeter wave.

In the field of medical treatment, terahertz has been widely used. It can penetrate the human body, accurately collect the internal information of human body, identify the abnormal parts, and judge the scattered phase of some materials. It can be used for tumor detection, early pathological diagnosis, medical imaging diagnosis, localized temperature measurement, physical chemistry reaction monitoring, etc.

In the field of material science, terahertz has many advantages over other non-destructive testing techniques. It can use terahertz imaging technology to detect the state of material defects, analyse the microstructure of material defect distribution and its influence on material properties, and accurately reveal the internal microstructure of materials; it can also detect and analyze microstructures, defects, defects, flaws and other impurities of materials out of phase.

Besides medical and material science, terahertz has also been applied in security science, agricultural science and communication science, such as detecting concealed objects, detecting bacteria and parasites in plants, and providing a standard for communication.

The working principle of terahertz is that high-frequency electromagnetic waves are used to penetrate the material and the object, thereby obtaining the scattered radiation on its surface. Through the analysis of the scattered phase, it can distinguish the material and object layer information. In addition, it can also measure the local temperature of the material and make a more accurate three-dimensional image.

The application of terahertz is broad, and its working principle is relatively simple. There is no doubt that in the future, terahertz will be used in more fields, and its application scope will reach unprecedented heights.

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