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Second-order autocorrelation of XUV FEL pulses via time resolved two-photon single ionization of He.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Moshammer, Robert Pfeifer, T. Rudenko, Artem Jiang, Yuhai Foucar, Lutz Kurka, Moritz Kühnel, Karsten Schröter, Claus Ullrich, Johannes B. Herrwerth, Oliver Kling, Matthias F. Motomura, Koji Fukuzawa, Hironobu Yamada, A. Ueda, Kouta Ishikawa, Kenichi L. Nagaya, Kiyonobu Iwayama, Hiroshi Sugishima, Akihiro Mizoguchi, Y. Yase, S. Yao, Mingfa Saito, Naobumi Belkacem, Ali Nagasono, Mitsuru Higashiya, Atsushi Yabashi, Makina Ishikawa, Tamaki Ohashi, Hayato Kimura, Hikari Togashi, Tadashi |
| Copyright Year | 2011 |
| Abstract | Second-order autocorrelation spectra of XUV free-electron laser pulses from the Spring-8 Compact SASE Source (SCSS) have been recorded by time and momentum resolved detection of two-photon single ionization of He at 20.45 eV using a split-mirror delay-stage in combination with high-resolution recoil-ion momentum spectroscopy (COLTRIMS). From the autocorrelation trace we extract a coherence time of 8 ± 2 fs and a mean pulse duration of 28 ± 5 fs, much shorter than estimations based on electron bunch-length measurements. Simulations within the partial coherence model [Opt. Lett. 35, 3441 (2010)] are in agreement with experiment if a pulse-front tilt across the FEL beam diameter is taken into account that leads to a temporal shift of about 6 fs between both pulse replicas. |
| File Format | PDF HTM / HTML |
| DOI | 10.1364/OE.19.021698 |
| PubMed reference number | 22109020 |
| Journal | Medline |
| Volume Number | 19 |
| Issue Number | 22 |
| Alternate Webpage(s) | http://ishiken.free.fr/Publication/Moshammer2011OE.pdf |
| Alternate Webpage(s) | https://doi.org/10.1364/OE.19.021698 |
| Journal | Optics express |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
