Phys. Rev. A 66, 041402(R) (2002) [4 pages]

Use of helium double ionization for autocorrelation of an xuv pulse

Abstract

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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

Received 7 August 2002; published 30 October 2002

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.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.66.041402

DOI:

10.1103/PhysRevA.66.041402

PACS:

42.50.Hz, 42.65.Ky, 32.80.Rm

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

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Phys. Rev. A 66, 041402(R) (2002) [4 pages]

Use of helium double ionization for autocorrelation of an xuv pulse