Two-photon absorption of ultrashort electromagnetic pulses by negative halogen ions

被引：3

作者：

Astapenko, V. A. ^{[1
]}

Sakhno, S. V. ^{[1
]}

机构：

[1] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi, Russia

来源：

JOURNAL OF MODERN OPTICS | 2016年 / 63卷 / 21期

关键词：

ultra-short pulses; two-photon absorption; negative halogen ions; IONIZATION; DETACHMENT; STATES; ATOMS;

D O I：

10.1080/09500340.2016.1187309

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Within the framework of the perturbation theory, two-photon absorption of ultrashort electromagnetic pulses of a corrected Gaussian shape by negative halogen ions during the action of a pulse is calculated and analysed. Photoabsorption with excitation of an electron to a state with a specified energy is also considered. Particular attention is given to the dependence of the probability of these processes on the pulse duration. The features of two-photon absorption that are characteristic of sufficiently short pulses and do not take place in the monochromatic limit are revealed.

引用

页码：2198 / 2202

页数：5

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