The concept of the laser was put forward in the 1950s, and many Nobel Prizes related to laser pointer optics have appeared since it was put forward. However, conventional laser physical self-mode-locking technology is gradually becoming saturated. Wang Yun pointed out that the application of lasers in medical and biological applications in the future is an industry that cannot be ignored. He believes that the output value of this new type of industry is much greater than the current laser macro-processing.
In recent years, compared with traditional lasers in a basically stagnant state in terms of structure and principle, semiconductor lasers have achieved substantial theoretical and technological breakthroughs in many aspects. With the latest technology and core craftsmanship of semiconductor lasers, one can grasp half of the future laser industry.
Wang Yun believes that the current domestic semiconductor laser industry is developing rapidly, and a small number of domestic semiconductor laser equipment and light source technologies have even reached the international advanced level. In addition, they have mastered the unit technology with independent intellectual property rights in chip preparation and period packaging, and some The technology is original and has basically formed a relatively complete R&D and industrial system from upstream material/chip preparation, midstream packaging to downstream system integration.
As the core components of high-power solid-state lasers and fiber lasers, semiconductor lasers are in urgent need for industrial applications and national defense. However, due to the technical blockade of the United States and other Western countries, there are many difficulties in the development and production of domestic semiconductor green laser pointer chips. Compared with foreign countries, there are still many gaps in the power and life of semiconductor laser devices, and the development of independent industries has a long way to go.
This is a simple and effective way to control electron emission. This is not only a new way to achieve high-energy electron experiments, this new technology also opens the door to the era of X-ray control. “New X-ray sources have been implemented using narrow metal tip arrays as electron sources. Using our new method, these nano-tips can be triggered in exactly the right way and produce coherent X-ray radiation.