A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Two mirror X-ray pulse split and delay instrument for femtosecond time resolved investigations at the LCLS free electron laser facility
Tekijät: Berrah N, Fang L, Murphy BF, Kukk E, Osipov TY, Coffee R, Ferguson KR, Xiong H, Castagna JC, Petrovic VS, Montero SC, Bozek JD
Kustantaja: OPTICAL SOC AMER
Julkaisuvuosi: 2016
Journal: Optics Express
Tietokannassa oleva lehden nimi: OPTICS EXPRESS
Lehden akronyymi: OPT EXPRESS
Vuosikerta: 24
Numero: 11
Aloitussivu: 1768
Lopetussivu: 1781
Sivujen määrä: 14
ISSN: 1094-4087
eISSN: 1094-4087
DOI: https://doi.org/10.1364/OE.24.011768
We built a two-mirror based X-ray split and delay (XRSD) device for soft X-rays at the Linac Coherent Light Source free electron laser facility. The instrument is based on an edge-polished mirror design covering an energy range of 250 eV-1800 eV and producing a delay between the two split pulses variable up to 400 femtoseconds with a sub-100 attosecond resolution. We present experimental and simulation results regarding molecular dissociation dynamics in CH3I and CO probed by the XRSD device. We observed ion kinetic energy and branching ratio dependence on the delay times which were reliably produced by the XRSD instrument. (C)2016 Optical Society of America
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