Time-resolved Coulomb explosion imaging: A method to measure structure and dynamics of molecular nuclear wave packets | Zendy

Henrik Stapelfeldt | Zendy; E. Constant | Zendy; Hirofumi Sakai | Zendy; P. B. Corkum | Zendy

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Time-resolved Coulomb explosion imaging: A method to measure structure and dynamics of molecular nuclear wave packets

Author(s) -

Henrik Stapelfeldt,

E. Constant,

Hirofumi Sakai,

P. B. Corkum

Publication year - 1998

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.58.426

Subject(s) - coulomb explosion , physics , femtosecond , wave packet , polyatomic ion , atomic physics , measure (data warehouse) , laser , pulse (music) , reaction dynamics , temporal resolution , molecular dynamics , molecule , optics , ion , ionization , quantum mechanics , detector , database , computer science

Coulomb explosion of molecules induced by an intense femtosecond probe laser pulse provides an approach to measure structure and dynamics of internuclear wave packets on a natural spatial (\uc5) and temporal (fs) scale for molecules. The technique is illustrated by applying it to study photodissociation of I2 initiated by a femtosecond pump pulse. We report a resolution of \u223c2\u20134 \uc5 in the internuclear range \u223c7\u201314 \uc5 using an 80-fs probe pulse. We discuss the ultimate spatial and temporal resolution of the technique, as well as the possibilities of observing dynamics of dissociating polyatomic molecules. Intense femtosecond laser pulses not only provide a way of probing molecular dynamics but they are also an efficient means to initiate dynamics in, e.g., molecular ionic states.Peer reviewed: YesNRC publication: Ye

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