期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 22, 期 5, 页码 2704-2712出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cp03951a
关键词
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资金
- U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences (BES), Chemical Sciences, Geosciences, and Biosciences Division (CSGB)
- DOE, BES Scientific User Facilities Division Field Work Proposal [100317]
- DOE Laboratory Directed Research and Development program at SLAC National Accelerator Laboratory [DE-AC02-76SF00515]
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [KL-1439/10]
- Max Planck Society
- DFG [328961117 SFB 1319 ELCH]
- DOE-BES-CSGB grant [DE-SC0012376, DE-FG02-04ER15614]
- UK EPSRC grant [EP/R019509/1, EP/L016524/1]
- NSF [PHY-1605042]
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515]
- EPSRC [EP/I032517/1, EP/R019509/1] Funding Source: UKRI
The recent demonstration of isolated attosecond pulses from an X-ray free-electron laser (XFEL) opens the possibility for probing ultrafast electron dynamics at X-ray wavelengths. An established experimental method for probing ultrafast dynamics is X-ray transient absorption spectroscopy, where the X-ray absorption spectrum is measured by scanning the central photon energy and recording the resultant photoproducts. The spectral bandwidth inherent to attosecond pulses is wide compared to the resonant features typically probed, which generally precludes the application of this technique in the attosecond regime. In this paper we propose and demonstrate a new technique to conduct transient absorption spectroscopy with broad bandwidth attosecond pulses with the aid of ghost imaging, recovering sub-bandwidth resolution in photoproduct-based absorption measurements.
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