The hottest terahertz technology has made a major

Terahertz technology has made a major breakthrough, and the 100 billion level market has opened

the first domestic terahertz free electron laser device with high average power independently developed by Chinese scientists has been saturated for the first time in Chengdu, Sichuan Province. Through the third-party detection, the experiment is true and reliable, and the device operates stably. Since then, terahertz sources in China have officially entered the era of free electron lasers

on August 29, the high average power terahertz free electron laser device (ctfel), led by the Institute of Applied Electronics of the Chinese Academy of Engineering Physics, saturated for the first time and realized stable operation. On September 2, the zero deviation and full-scale error were less than 0.51 SB0. After the on-site test of the expert group and the third-party test of the 205th Research Institute of China ordnance industry, the terahertz frequency of ctfel device operated stably at the three frequency points of 1.99thz, 2.41thz and 2.92thz, and the average power was greater than 10W, up to 17.9w; The peak power of micro pulse is greater than 0.5MW, and the maximum is 0.84mw. By adjusting the energy of the electron beam and the intensity of the magnetic field, the output laser frequency can be continuously adjustable

terahertz (THz) radiation usually refers to electromagnetic radiation with a frequency of 0.1thz-10thz. The band is between microwave and infrared light. It is the last wave (light) spectrum range that human beings have not fully understood and make good use of. Terahertz spectra (including emission, reflection and transmission) of substances contain rich physical and chemical information. It has become a new research direction to study the spectral response of relevant substances in this band and explore their structural properties and the new physical content they reveal. Free electron laser (FEL) has the advantages of continuous adjustable frequency, high power, narrow linewidth, good directivity and strong polarization, which makes it possible to realize a high-power ideal terahertz source with full coverage of terahertz band on the same device. Therefore, FEL is the most promising high-power tunable coherent light source in this band at present

ctfel device is a national major scientific instrument and equipment development project supported by the Ministry of science and technology, "coherent strong terahertz source scientific instrument and equipment development", which was initiated in 2011. As a leader of Chinese high molecular composite materials, China Xinda group participated in the world's largest plastic and rubber industry exhibition K held in Germany. The new coherent strong terahertz light source, ctfel device, has important application prospects in materials, biomedicine and other fields

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the first domestic high average power terahertz free electron laser device independently developed by Chinese scientists has been tested by a third party. The experiment is true and reliable and the device operates stably. Since then, terahertz sources in China have officially entered the era of free electron lasers. Many times, the Agency predicted that terahertz technology will take the lead in industrial testing, security inspection equipment, wireless communications, and the application market will reach 100 billion