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The development status of laser pointer

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Physicists continue to develop new lasers. Many British teams are involved in these projects. These include light-emitting nanoscale devices, which are expected to be used in chemical and biological sensors on "lab-on-chip" devices. For example, the University of St. Andrews has developed optical laser tweezers to manipulate biological cells to help develop biophotonics.

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For X-ray lasers, brightness is measured by the number of subatomic photons-uncharged particles travel at the speed of light generated by radiation of a specific wavelength, from high-energy gamma rays and X-rays, low-energy infrared and radio waves. XFEL European Commission Chairman Robert Feidenhan'l told AFP that the super high power laser pointer “is like a camera and a microscope, allowing us to see more in the nano world than ever before. Details and process. It works as follows: In order to generate X-rays, the electron beam is first accelerated to a high energy close to the speed of light. Several British research groups are developing a new type of semiconductor laser called a quantum cascade laser, which is expected to become An excellent source of terahertz (between infrared and microwave) radiation is now being introduced into national security filtering. New laser technology will also play a role in development.

2021-10-19 12:19:26

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