ArticlePhysical review letters2020
Observation of Seeded Mn Kβ Stimulated X-Ray Emission Using Two-Color X-Ray Free-Electron Laser Pulses.
Article in Physical review letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 32 citations in OpenAlex.
- Multiplet lines in seeded stimulated MnPhysical review applied · 2026Article
- Simultaneous lasing of Ni Kα and Cu Kα lasers from an alloy foil irradiated with an intense X-ray free-electron laser pulse.Journal of synchrotron radiation · 2026Article
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- Development of portable nanofocusing optics for X-ray free-electron laser pulses.Journal of synchrotron radiation · 2025Article
- Stimulated X-ray emission spectroscopy.Photosynthesis research · 2024Review
- Attosecond impulsive stimulated X-ray Raman scattering in liquid water.Science advances · 2024Article
- The Liquid Jet Endstation for Hard X-ray Scattering and Spectroscopy at the Linac Coherent Light Source.Molecules (Basel, Switzerland) · 2024Article
- Two-dimensional Kβ-Kα fluorescence spectrum by nonlinear resonant inelastic X-ray scattering.Nature communications · 2023Article
- Revealing core-valence interactions in solution with femtosecond X-ray pump X-ray probe spectroscopy.Nature communications · 2023Article
- Seeded stimulated X-ray emission at 5.9 keV.Optica · 2023Article
- The soft X-ray and XUV split-and-delay unit at beamlines FL23/24 at FLASH2.Journal of synchrotron radiation · 2023Article
- Generation of intense phase-stable femtosecond hard X-ray pulse pairs.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Using X-ray free-electron lasers for spectroscopy of molecular catalysts and metalloenzymes.Nature reviews. Physics · 2021Article
- XABOOM: An X-ray Absorption Benchmark of Organic Molecules Based on Carbon, Nitrogen, and Oxygen 1s → π* Transitions.Journal of chemical theory and computation · 2021Article
Corrections and comments
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Authors and funding
20 authors at 3 institutions in 2 countries.
Funding
Abstract
Kβ x-ray emission spectroscopy is a powerful probe for electronic structure analysis of 3d transition metal systems and their ultrafast dynamics. Selectively enhancing specific spectral regions would increase this sensitivity and provide fundamentally new insights. Recently we reported the observation and analysis of Kα amplified spontaneous x-ray emission from Mn solutions using an x-ray free-electron laser to create the 1s core-hole population inversion [Kroll et al., Phys. Rev. Lett. 120, 133203 (2018)PRLTAO0031-900710.1103/PhysRevLett.120.133203]. To apply this new approach to the chemically more sensitive but much weaker Kβ x-ray emission lines requires a mechanism to outcompete the dominant amplification of the Kα emission. Here we report the observation of seeded amplified Kβ x-ray emission from a NaMnO_{4} solution using two colors of x-ray free-electron laser pulses, one to create the 1s core-hole population inversion and the other to seed the amplified Kβ emission. Comparing the observed seeded amplified Kβ emission signal with that from conventional Kβ emission into the same solid angle, we obtain a signal enhancement of more than 10^{5}. Our findings are the first important step of enhancing and controlling the emission of selected final states of the Kβ spectrum with applications in chemical and materials science.
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