Measurement of the four-photon detachment cross section of Cl^− at 1064 μm
- 1 October 1989
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America B
- Vol. 6 (10) , 1774-1776
- https://doi.org/10.1364/josab.6.001774
Abstract
An accelerated beam of Cl− ions is photodetached by a single-mode Nd:YAG laser, and the resulting neutrals are detected. By measuring the saturation intensity of this process, one derives the cross section for four-photon detachment. This cross section is smaller by a factor of 6 than a recently calculated value. Comparison of the photodetachment saturation intensity of Cl− with those of other halogen negative ions shows that this corresponds to regular behavior among the halogen elements, suggesting limitations in the theoretical models.Keywords
This publication has 11 references indexed in Scilit:
- Single- and multiphoton detachment from storedF−ionsPhysical Review A, 1989
- Measurement of the three-photon detachment cross sections of the negative ions of iodine, bromine and fluorine at the wavelength 1.0642 mu mJournal of Physics B: Atomic, Molecular and Optical Physics, 1989
- Multiphoton detachment from negative ions of halogens, angular distributions and excess photon absorptionJournal of Physics B: Atomic, Molecular and Optical Physics, 1988
- Multiple-harmonic conversion of 1064 nm radiation in rare gasesJournal of Physics B: Atomic, Molecular and Optical Physics, 1988
- Multiphoton detachment from negative ions of halogensJournal of Physics B: Atomic and Molecular Physics, 1987
- One- and two-photon detachment of the negative chlorine ionJournal of Physics B: Atomic and Molecular Physics, 1987
- Three-Photon Detachment of Iodine Negative IonsEurophysics Letters, 1987
- Multiple ionisation of rare-gas atoms by an intense CO2laser (1014W cm-2)Journal of Physics B: Atomic and Molecular Physics, 1987
- Multiphoton ionization yield curves for gaussian laser beamsOptics Communications, 1975
- Laser Double-Quantum Photodetachment ofPhysical Review Letters, 1965