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So as to realize the population inversion between the atomic energy level

OFweek laser net news: since the invention of laser, people have been trying to obtain shorter by atomic energy level transition laser wavelength. X-ray appearance of free electron laser for atoms of X-ray laser provides a good pump sources are used. In this paper, application of X-ray in the free electron laser to ionized atom K, so as to realize the population inversion between the atomic energy level, and the wavelength of 1.46 nm (single photon energy corresponds to 849 ev) neon ions K alpha stimulated radiation light. In this experiment by atomic X-ray laser pulses, in both a short wavelength and higher strength, etc., are superior to the previously reported experimental results. And compared with X-ray free electron laser, the X-ray laser atom has more superior monochromaticity, wavelength and stability.