TY  - JOUR
AU  - Mey, Tobias
AU  - Schäfer, Bernd
AU  - Mann, Klaus
AU  - Keitel, Barbara
AU  - Kuhlmann, Marion
AU  - Plönjes, Elke
TI  - Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH
JO  - Optics express
VL  - 22
IS  - 13
SN  - 1094-4087
CY  - Washington, DC
PB  - Optical Society of America
M1  - DESY-2014-02968
SP  - 16571 - 16584
PY  - 2014
AB  - The four-dimensional Wigner distribution function is determined from intensity profiles measured in the focused photon beam of FLASH (Free-electron laser in Hamburg) for a variety of photon beamline settings. The Wigner formalism results in comprehensive coherence information without the requirement of simplifying assumptions on the beam. The entire four-dimensional spatial mutual coherence function, horizontal and vertical coherence lengths and the global degree of coherence are derived and compared to Young’s double pinhole measurements
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000338055900133
C6  - pmid:24977906
DO  - DOI:10.1364/OE.22.016571
UR  - https://bib-pubdb1.desy.de/record/169977
ER  -