Abstract
An efficient method to transform a radiation of X-ray plasma lasers into a train of sub-fs pulses, as well as to form sub-fs pulses directly in an active medium of plasma lasers is suggested. This method is based on temporal and spatial modulation of the parameters of a resonant transition in absorbing or amplifying medium by a moderately strong IR field propagating in the same direction as an X-ray radiation.
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References
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Acknowledgements
We acknowledge support by NSF under the grants No. PHY-130-73-46 and No. PHY-PHY-1506467. V. A. Antonov acknowledges support by RFBR under the grants No. 16-32-60173, No. 16-02-01034, and No. 16-02-00527, as well as the personal grant from the Grant Council of the President of Russian Federation. We are grateful to Jorge Rocca and Carmen Menoni for the stimulating discussions.
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Kocharovskaya, O. et al. (2018). Towards Generation of Sub-fs Pulses Using Lasing to Ground States of H-Like LiIII at 13.5 nm and He-Like CV at 4 nm. In: Kawachi, T., Bulanov, S., Daido, H., Kato, Y. (eds) X-Ray Lasers 2016. ICXRL 2016. Springer Proceedings in Physics, vol 202. Springer, Cham. https://doi.org/10.1007/978-3-319-73025-7_9
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DOI: https://doi.org/10.1007/978-3-319-73025-7_9
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