101. Attosecond Transient Absorption Spooktroscopy: a ghost imaging approach to ultrafast absorption spectroscopy
- Author
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Taran Driver, Siqi Li, Elio G. Champenois, Joseph Duris, Daniel Ratner, Thomas J. Lane, Philipp Rosenberger, Andre Al-Haddad, Vitali Averbukh, Toby Barnard, Nora Berrah, Christoph Bostedt, Philip H. Bucksbaum, Ryan Coffee, Louis F. DiMauro, Li Fang, Douglas Garratt, Averell Gatton, Zhaoheng Guo, Gregor Hartmann, Daniel Haxton, Wolfram Helml, Zhirong Huang, Aaron LaForge, Andrei Kamalov, Matthias F. Kling, Jonas Knurr, Ming-Fu Lin, Alberto A. Lutman, James P. MacArthur, Jon P. Marangos, Megan Nantel, Adi Natan, Razib Obaid, Jordan T. O'Neal, Niranjan H. Shivaram, Aviad Schori, Peter Walter, Anna Li Wang, Thomas J. A. Wolf, Agostino Marinelli, James P. Cryan, and Engineering & Physical Science Research Council (EPSRC)
- Subjects
Materials science ,Absorption spectroscopy ,Attosecond ,physics.chem-ph ,molecular-dynamics ,General Physics and Astronomy ,Physics::Optics ,FOS: Physical sciences ,02 engineering and technology ,Physics, Atomic, Molecular & Chemical ,Ghost imaging ,01 natural sciences ,09 Engineering ,law.invention ,Optics ,quant-ph ,law ,Physics - Chemical Physics ,generation ,0103 physical sciences ,Ultrafast laser spectroscopy ,Physics::Atomic and Molecular Clusters ,no topic specified ,Physical and Theoretical Chemistry ,010306 general physics ,Absorption (electromagnetic radiation) ,Spectroscopy ,Chemical Physics (physics.chem-ph) ,Quantum Physics ,Science & Technology ,Chemical Physics ,02 Physical Sciences ,Chemistry, Physical ,ray ,business.industry ,Physics ,021001 nanoscience & nanotechnology ,Laser ,Chemistry ,electron dynamics ,Physical Sciences ,physics.optics ,03 Chemical Sciences ,0210 nano-technology ,business ,Quantum Physics (quant-ph) ,Ultrashort pulse ,Physics - Optics ,Optics (physics.optics) - Abstract
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., Comment: 13 pages, 3 figures
- Published
- 2019
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