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Updated: Mar 26, 2026
06:53
Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
Published on: July 27, 2018
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Intense-Field Double Detachment of Electrostatically Bound F(-)(NF3)n Cluster Anions
Y Albeck1, G Lerner1, D M Kandhasamy1
1Institute of Chemistry, The Hebrew University of Jerusalem , 91904 Jerusalem, Israel.
The Journal of Physical Chemistry. A
|January 26, 2016
Summary
Intense laser pulses interacting with fluoride anion (F-) clusters show enhanced nonlinear processes. Both dimer and trimer clusters exhibit lower saturation intensities compared to atomic F-, indicating efficient non-rescattering mechanisms.
Area of Science:
- Atomic and Molecular Physics
- Laser-Matter Interactions
- Cluster Science
Background:
- Investigating electron detachment from anions under intense laser fields is crucial for understanding light-matter interactions.
- Size-selected clusters offer a unique platform to study how molecular environment influences ionization dynamics.
Purpose of the Study:
- To experimentally investigate intense-field detachment processes in size-selected F(-)(NF3)n clusters.
- To compare multiple-electron detachment in atomic F(-) versus F(-)(NF3) dimer and F(-)(NF3)2 trimer systems.
- To elucidate the role of cluster structure in nonlinear optical processes.
Main Methods:
- Experimental study of size-selected F(-)(NF3)n clusters.
- Interaction with intense laser pulses of varying intensity, ellipticity, and pulse shape.
- Analysis of double- and multiple-detachment product channels.
Main Results:
- F(-)(NF3) dimer and trimer systems show enhanced nonlinear detachment compared to atomic F(-).
- Significantly lower saturation intensities were observed for cluster systems.
- Dependencies on laser parameters indicate an efficient non-rescattering mechanism.
Conclusions:
- Electrostatically bound NF3 molecules enhance intense-field detachment processes in F(-) clusters.
- Cluster structure plays a significant role in modifying ionization dynamics.
- The non-rescattering mechanism is efficient in these systems.
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