Multiphoton ionization of ions, neutrals, and clusters. Progress report Page: 1 of 28
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MULTIPHOTON IONIZATION OF IONS, NEUTRALS, AND CLUSTERS
Prepared for 00 ~ 1
Office of Health and Environmental Research
Office of Energy Research pECEI
Department of Energy 4
by c T
Electronics Technology Center
The Aerospace Corporation
El Segundo, California
June 28, 1991
Scientific results are summarized from a three year research program on
multiphoton ionization in aromatic molecules, clusters, and their ions. As originally
proposed, the studies elucida- a new cluster ionization mechanism, characterized
properties of long range intermolecular interactions, and investigated electronic
transitions of aromatic cations cooled in a supersonic beam. The studies indicate
that the new cluster ionization mechanism is highly efficient and dominates
conventional 1 + 1 resonant ionization. In the case of the dimer of the large
aromatic molecule fluorene, the results suggest that excimer formation competes
with a direct ionization process. Highly selective excitonic spectra have been
identified for several cluster species.
w "I~TE c* THIS 6 mJ i E
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Wessel, J. Multiphoton ionization of ions, neutrals, and clusters. Progress report, report, June 28, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc709964/m1/1/: accessed January 22, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.