Single-shot measurement of laser-induced double step ionization of helium | Zendy

KiYong Kim | Zendy; I. Alexeev | Zendy; H. M. Milchberg | Zendy

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Single-shot measurement of laser-induced double step ionization of helium

Author(s) -

KiYong Kim,

I. Alexeev,

H. M. Milchberg

Publication year - 2002

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.10.001563

Subject(s) - optics , supercontinuum , helium , laser , interferometry , femtosecond , materials science , ionization , double ionization , jet (fluid) , atomic physics , water window , temporal resolution , physics , ion , wavelength , quantum mechanics , photonic crystal fiber , thermodynamics

The spatio-temporal evolution of the free electron density induced in a helium gas jet by an intense femtosecond pulse is measured with ~10 fs resolution in a ~1 ps temporal window. The double-stepionization feature is observed. In these measurements, we use the technique of single-shot supercontinuum spectral interferometry. It is demonstrated that finite laser-gas interaction lengths can strongly affect the interpretation of such measurements.

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