Record Details

Title:
Single pulse coherence measurements in the water window at the free-electron laser FLASH
Affiliation(s):
EuXFEL staff, Other
Author group:
Instrument MID
Instrument SPB/SFX
Topic:
Abstract:
The spatial coherence of free-electron laser radiation inthe water window spectral range was studied, using the third harmonic(l3rd = 2.66 nm) of DESY’s Free-electron LASer in Hamburg (FLASH).Coherent single pulse diffraction patterns of 1,2-Dioleoyl-sn-glycero-3-phosphocholine (DOPC) multilamellar lipid stacks have been recorded. Theintensity histogram of the speckle pattern around the first lamellar Braggpeak, corresponding to the d = 5 nm periodicity of the stack, reveals anaverage number of transverse modes of ¯M = 3.0 of the 3rd harmonic. Usingthe lipid stack as a ’monochromator’, pulse-to-pulse fluctuations in the thirdharmonic l3rd have been determined to be 0.033 nm.
Imprint:
Washington, DC, Soc., 2013
Journal Information:
Opt. Express, 21, 11, 13005 (2013)
Related external records:
DOI: 10.1364/OE.21.013005
WOS: WOS:000319814900005


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 Record created 2016-10-11, last modified 2019-02-06

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