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Appl. Sci. 2018, 8(9), 1588;

Toward the Generation of an Isolated TW-Attosecond X-ray Pulse in XFEL

Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang 37673, Korea
Department of Physics, Center for Attosecond Science and Technology, Pohang University of Science and Technology, Pohang 37673, Korea
Max Planck POSTECH/Korea Res. Init., Pohang 37673, Korea
Author to whom correspondence should be addressed.
Received: 4 August 2018 / Revised: 3 September 2018 / Accepted: 4 September 2018 / Published: 7 September 2018
(This article belongs to the Special Issue Attosecond Science and Technology: Principles and Applications)
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The isolated terawatt (TW) attosecond (as) hard X-ray pulse will expand the scope of ultrafast science, including the examination of phenomena that have not been studied before, such as the dynamics of electron clouds in atoms, single-molecule imaging, and examining the dynamics of hollow atoms. Therefore, several schemes for the generation of an isolated TW-as X-ray pulse in X-ray free electron laser (XFEL) facilities have been proposed with the manipulation of electron properties such as emittance or current. In a multi-spike scheme, a series of current spikes were employed to amplify the X-ray pulse. A single-spike scheme in which a TW-as X-ray pulse can be generated by a single current spike was investigated for ideal parameters for the XFEL machine. This paper reviews the proposed schemes and assesses the feasibility of each scheme. View Full-Text
Keywords: X-ray pulse; attosecond; terawatt; free-electron laser X-ray pulse; attosecond; terawatt; free-electron laser

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Parc, Y.W.; Shim, C.H.; Kim, D.E. Toward the Generation of an Isolated TW-Attosecond X-ray Pulse in XFEL. Appl. Sci. 2018, 8, 1588.

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