The ion microscope as a tool for quantitative measurements in the extreme ultraviolet.

Abstract:

:We demonstrate a tool for quantitative measurements in the extreme ultraviolet (EUV) spectral region measuring spatially resolved atomic ionization products at the focus of an EUV beam. The ionizing radiation is a comb of the 11(th)-15(th) harmonics of a Ti:Sapphire femtosecond laser beam produced in a Xenon gas jet. The spatial ion distribution at the focus of the harmonics is recorded using an ion microscope. Spatially resolved single- and two-photon ionization products of Argon and Helium are observed. From such ion distributions single- and two-photon generalized cross sections can be extracted by a self-calibrating method. The observation of spatially resolved two-EUV-photon ionization constitutes an initial step towards future single-shot temporal characterization of attosecond pulses.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Tsatrafyllis N,Bergues B,Schröder H,Veisz L,Skantzakis E,Gray D,Bodi B,Kuhn S,Tsakiris GD,Charalambidis D,Tzallas P

doi

10.1038/srep21556

subject

Has Abstract

pub_date

2016-02-12 00:00:00

pages

21556

issn

2045-2322

pii

srep21556

journal_volume

6

pub_type

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