Open AccessCOHERENT EFFECTS IN INTENSE LASER-FIELD INDUCED AUTOIONIZATION
Author(s) -
Guanhua Yao,
Zhizhan Xu
Publication year - 1988
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.37.1760
Subject(s) - autoionization , laser , atomic physics , ionization , photoionization , physics , intensity (physics) , field (mathematics) , x ray photoelectron spectroscopy , electron , photoemission spectroscopy , optics , ion , nuclear magnetic resonance , nuclear physics , quantum mechanics , mathematics , pure mathematics
We investigate in detail the influence of second-order ionization processes on the photo-electron spectrum etc., which has been ignored previously in the study of intense laser-field induced autoionization. It is found that, in the region of laser intensity currently discussed in literature, many physical features are altered significantly. (1) Under certain conditions, line-narrowing effect disappears. (2) The olignal photoelectron peaks are greatly reduced. (3) In agreement with the most recent experimental findings on multiphoton ionization, high-order photoelectron peaks drastically increase with increasing laser intensity, and they dominate the original peaks for sufficiently high Intensities.