SLAC Publication SLAC-PUB-15420
SLAC Release Date: April 9, 2013
Experimental Demonstration of Femtosecond Two-Color X-Ray Free-Electron Lasers
Lutman, Alberto.
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 (LCLS). 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. ... Show Full 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 (LCLS). 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 ~1.9% and a controllable relative delay up to 40 femtoseconds. Show Partial Abstract
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  • Interest Categories: X-Ray Free Electron Laser
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