Use of helium double ionization for autocorrelation of an xuv pulse
- 30 October 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 66 (4) , 041402
- https://doi.org/10.1103/physreva.66.041402
Abstract
We investigate a simple scheme for autocorrelation measurement of an xuv pulse. It is based on double ionization of He. We have found that, in a certain photon energy range, the detection of doubly charged positive ions instead of energy-resolved photoelectrons is sufficient for autocorrelation, which greatly simplifies the detection system for practical use.Keywords
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