日本电气通信大学、理化学研究所、东京大学等多个单位组成的研究团队成功开发出了波长为0.15nm的原子级激光器。据称,其波长比现有最短波长激光器的波长小一个数量级,为目前世界最短。研究团队对20μm厚的铜箔照射X射线,使其产生X射线激光并通过微小材料,制成了高效X射线激光器。其研制成功,首次在硬X射线区实现了利用原子能级差的原子级激光器。原子级激光器在 Nippon Electric and Communication University, Institute of Science and Technology, University of Tokyo and other units of the research team successfully developed a wavelength of 0.15nm atomic-level lasers. Allegedly, its wavelength shorter than the wavelength of the existing shortest wavelength laser an order of magnitude, the shortest in the world. The team irradiated X-rays on a 20-μm-thick copper foil to produce X-ray lasers and passed tiny materials to make efficient X-ray lasers. Its successful development, for the first time in the hard X-ray area to achieve the use of atomic level difference atomic laser. Atomic laser at