Laser intensity determination using nonadiabatic tunneling ionization of atoms in close-to-circularly polarized laser fields | Zendy

Wei Quan | Zendy; Minghu Yuan | Zendy; ShaoGang Yu | Zendy; SongPo Xu | Zendy; Yongju Chen | Zendy; YanLan Wang | Zendy; RenPing Sun | Zendy; ZhiLei Xiao | Zendy; Gong Cheng | Zendy; LinQiang Hua | Zendy; XuanYang Lai | Zendy; Xiaojun Liu | Zendy; Jing Chen | Zendy

Open Access

Laser intensity determination using nonadiabatic tunneling ionization of atoms in close-to-circularly polarized laser fields

Author(s) -

Wei Quan,

Minghu Yuan,

ShaoGang Yu,

SongPo Xu,

Yongju Chen,

YanLan Wang,

RenPing Sun,

ZhiLei Xiao,

Gong Cheng,

LinQiang Hua,

XuanYang Lai,

Xiaojun Liu,

Jing Chen

Publication year - 2016

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.24.023248

Subject(s) - laser , atomic physics , physics , ionization , tunnel ionization , semiclassical physics , quantum tunnelling , electron , optics , quantum , quantum mechanics , ion

We conceive an improved procedure to determine the laser intensity with the momentum distributions from nonadiabatic tunneling ionization of atoms in the close-to-circularly polarized laser fields. The measurements for several noble gas atoms are in accordance with the semiclassical calculations, where the nonadiabatic effect and the influence of Coulomb potential are included. Furthermore, the high-order above-threshold ionization spectrum in linearly polarized laser fields for Ar is measured and compared with the numerical calculation of the time-dependent Schrödinger equation in the single-active-electron approximation to test the accuracy of the calibrated laser intensity.

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