Experimental Demonstration of Femtosecond Two-Color X-Ray Free-Electron Lasers
Open Access
- 25 March 2013
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 110 (13), 134801
- https://doi.org/10.1103/physrevlett.110.134801
Abstract
With an eye toward extending optical wave-mixing techniques to the x-ray regime, we present the first experimental demonstration of a two-color x-ray free-electron laser at the Linac Coherent Light Source. We combine the emittance-spoiler technique with a magnetic chicane in the undulator section to control the pulse duration and relative delay between two intense x-ray pulses and we use differently tuned canted pole undulators such that the two pulses have different wavelengths as well. Two schemes are shown to produce two-color soft x-ray pulses with a wavelength separation up to and a controllable relative delay up to 40 fs.
Keywords
Funding Information
- U.S. Department of Energy
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