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  AXSIS: Exploring the frontiers in attosecond X-ray science, imaging and spectroscopy

Kärtner, F. X., Ahr, F., Calendron, A.-L., Çankaya, H., Carbajo, S., Chang, G., et al. (2016). AXSIS: Exploring the frontiers in attosecond X-ray science, imaging and spectroscopy. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 829, 24-29. doi:10.1016/j.nima.2016.02.080.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-E4C2-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-FB2C-6
Genre: Journal Article

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2016
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© F. X. Kärtner et al.

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http://dx.doi.org/10.1016/j.nima.2016.02.080 (Publisher version)
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 Creators:
Kärtner, F. X.1, 2, 3, 4, 5, Author
Ahr, Frederike1, 2, 4, 6, Author              
Calendron, A.-L.1, 2, 3, 4, Author
Çankaya, H.1, 3, 4, Author
Carbajo, S.1, 2, 4, Author
Chang, G.1, 3, 4, Author
Cirmi, G.1, 3, 4, Author
Dörner, K.1, 4, Author
Dorda, U.4, Author
Fallahi, A.1, 4, Author
Hartin, A.1, 2, 4, Author
Hemmer, M.1, 4, Author
Hobbs, R.5, Author
Hua, Yi1, 2, 4, 6, Author              
Huang, W. R.1, 5, Author
Letrun, R.1, 4, Author
Matlis, N.1, 4, Author
Mazalova, V.1, 4, Author
Mücke, O. D.1, 3, 4, Author
Nanni, E.5, Author
Putnam, W.1, 2, 3, 5, AuthorRavi, K.1, 5, AuthorReichert, F.1, 2, AuthorSarrou, I.1, 4, AuthorWu, X.1, 3, 4, AuthorYahaghi, A.1, 4, AuthorYe, Hong1, 2, 3, 4, 6, Author              Zapata, L.1, AuthorZhang, D.1, 2, 4, AuthorZhou, C.1, 2, 4, AuthorMiller, R. J. Dwayne1, 3, 7, Author              Berggren, K. K.5, AuthorGraafsma, H.4, AuthorMeents, A.1, 4, AuthorAssmann, R. W.4, AuthorChapman, H. N.1, 2, 3, 4, AuthorFromme, P.1, 4, 8, Author more..
Affiliations:
1Center for Free-Electron Laser Science, Hamburg, Germany, ou_persistent22              
2Institute for Experimental Physics, University of Hamburg, Hamburg, Germany, ou_persistent22              
3The Hamburg Center for Ultrafast Imaging, Hamburg, Germany, ou_persistent22              
4DESY, Hamburg, Germany, ou_persistent22              
5Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, USA, ou_persistent22              
6International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              
7Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938288              
8Arizona State University, School of Molecular Sciences and Center for Applied Structural Discovery , The Biodesign Institute, Tempe, AZ, USA, ou_persistent22              

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Free keywords: Terahertz accelerator; Optical undulator; Attosecond X-ray source; X-ray imaging; X-ray spectroscopy
 Abstract: X-ray crystallography is one of the main methods to determine atomic-resolution 3D images of the whole spectrum of molecules ranging from small inorganic clusters to large protein complexes consisting of hundred-thousands of atoms that constitute the macromolecular machinery of life. Life is not static, and unravelling the structure and dynamics of the most important reactions in chemistry and biology is essential to uncover their mechanism. Many of these reactions, including photosynthesis which drives our biosphere, are light induced and occur on ultrafast timescales. These have been studied with high time resolution primarily by optical spectroscopy, enabled by ultrafast laser technology, but they reduce the vast complexity of the process to a few reaction coordinates. In the AXSIS project at CFEL in Hamburg, funded by the European Research Council, we develop the new method of attosecond serial X-ray crystallography and spectroscopy, to give a full description of ultrafast processes atomically resolved in real space and on the electronic energy landscape, from co-measurement of X-ray and optical spectra, and X-ray diffraction. This technique will revolutionize our understanding of structure and function at the atomic and molecular level and thereby unravel fundamental processes in chemistry and biology like energy conversion processes. For that purpose, we develop a compact, fully coherent, THz-driven attosecond X-ray source based on coherent inverse Compton scattering off a free-electron crystal, to outrun radiation damage effects due to the necessary high X-ray irradiance required to acquire diffraction signals. This highly synergistic project starts from a completely clean slate rather than conforming to the specifications of a large free-electron laser (FEL) user facility, to optimize the entire instrumentation towards fundamental measurements of the mechanism of light absorption and excitation energy transfer. A multidisciplinary team formed by laser-, accelerator,- X-ray scientists as well as spectroscopists and biochemists optimizes X-ray pulse parameters, in tandem with sample delivery, crystal size, and advanced X-ray detectors. Ultimately, the new capability, attosecond serial X-ray crystallography and spectroscopy, will be applied to one of the most important problems in structural biology, which is to elucidate the dynamics of light reactions, electron transfer and protein structure in photosynthesis.

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Language(s): eng - English
 Dates: 2016-02-232016-01-132016-02-242016-02-272016-09-01
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.nima.2016.02.080
 Degree: -

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Title: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
  Subtitle : 2nd European Advanced Accelerator Concepts Workshop - EAAC 2015
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 829 Sequence Number: - Start / End Page: 24 - 29 Identifier: ISSN: 0168-9002
CoNE: https://pure.mpg.de/cone/journals/resource/954925485716