A new study has revealed a way to harness a unique form of matter known as dark autoionizing states to create extreme ultraviolet light. This light has the potential to be used for a variety of applications, from medical imaging to spectroscopic analysis of materials. The findings, published in Nature Physics, could pave the way for the development of novel tools and technologies for a wide range of applications.

Researchers have discovered a new way to generate extreme ultraviolet (XUV) light using a unique form of matter known as dark autoionizing states. This new method involves exploiting the non-radiative decay of dark autoionizing states, which occur when two electrons interact with each other to form a bound state. By using a laser to excite the dark autoionizing state, the electrons can be forced to rapidly decay and emit XUV light. This process can be used to create light with wavelengths up to 50 times shorter than those of visible light – making it ideal for a variety of applications.

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source: Phys.org