Use of helium double ionization for autocorrelation of an xuv pulse

Takashi Nakajima; L. A. A. Nikolopoulos

doi:10.1103/PhysRevA.66.041402

Rapid Communication

Use of helium double ionization for autocorrelation of an xuv pulse

Takashi Nakajima and L. A. A. Nikolopoulos

Phys. Rev. A 66, 041402(R) – Published 30 October 2002

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.

Received 7 August 2002

DOI:https://doi.org/10.1103/PhysRevA.66.041402

Authors & Affiliations

Takashi Nakajima^1,* and L. A. A. Nikolopoulos²

¹Institute of Advanced Energy, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
²Institute of Electronic Structure and Laser, F.O.R.TH, P.O. Box 1527, Heraklion 711 10, Crete, Greece

^*Email address: t-nakajima@iae.kyoto-u.ac.jp

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Vol. 66, Iss. 4 — October 2002

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