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Narrow-band hard-x-ray lasing with highly charged ions

MPS-Authors
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Lyu,  Chunhai
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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Cavaletto,  Stefano
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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Keitel,  Christoph H.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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Harman,  Zoltan
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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Fulltext (public)

1801.02503.pdf
(Preprint), 2MB

Supplementary Material (public)
There is no public supplementary material available
Citation

Lyu, C., Cavaletto, S., Keitel, C. H., & Harman, Z. (2020). Narrow-band hard-x-ray lasing with highly charged ions. Scientific Reports, 10: 9439. doi:10.1038/s41598-020-65477-0.


Cite as: http://hdl.handle.net/21.11116/0000-0006-A1CC-E
Abstract
A scheme is put forward to generate fully coherent x-ray lasers based on population inversion in highly charged ions, created by fast inner-shell photoionization using broadband x-ray free-electron-laser (XFEL) pulses in a laser-produced plasma. Numerical simulations based on the Maxwell–Bloch theory show that one can obtain high-intensity, femtosecond x-ray pulses of relative bandwidths Δω/ω = 10−5 – 10−7, by orders of magnitude narrower than in x-ray free-electron-laser pulses for discrete wavelengths down to the sub-ångström regime. Such x-ray lasers can be applicable in the study of x-ray quantum optics and metrology, investigating nonlinear interactions between x-rays and matter, or in high-precision spectroscopy studies in laboratory astrophysics.