Open AccessDirectional bond breaking of CO molecules by counter-rotating circularly polarized two-color laser fields
Author(s) -
Lin Kang,
Xiaochun Gong,
Qiying Song,
Qinying Ji,
Jing Ma,
Wenbing Zhang,
Peifen Lu,
Heping Zeng,
Jian Wu
Publication year - 2016
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.65.224209
Subject(s) - physics , ionization , laser , atomic physics , polarization (electrochemistry) , double ionization , molecule , electron , atomic orbital , elliptical polarization , circular polarization , ion , linear polarization , molecular physics , optics , magnetic field , quantum mechanics , chemistry
We experimentally studied the dissociative single and double ionization of CO molecules by counter-rotating circularly polarized two-color (CRTC) laser fields. By coincidently measuring the electrons and the fragmented ions, trefoil asymmetric momentum distributions of C+ in the polarization plane were observed, which are mainly determined by the selective ionization of CO with asymmetric orbitals. The threefold pattern could rotate continuously in the two-dimensional space by finely tuning the relative phase of the CRTC fields, providing a new method to manipulate the directional bond breaking of molecules by strong laser fields.