We present results acquired by using in-situ diagnostics based on atomic and molecular oxygen absorption spectroscopy during laser ablation in the presence of an O-2 environment. Our investigation provides detailed space-and time-resolved information on the relative density of atomic and molecular oxygen in the plume, and demonstrates a strong correlation between their behavior. The results shed light on the occurrence of reactive-collisional processes involving the ablated material and the environment, leading to O-2 dissociation.

Analysis of plume-buffer gas interaction through molecular and atomic oxygen absorption spectroscopy

FUSO, FRANCESCO;ALLEGRINI, MARIA;ARIMONDO, ENNIO
1999

Abstract

We present results acquired by using in-situ diagnostics based on atomic and molecular oxygen absorption spectroscopy during laser ablation in the presence of an O-2 environment. Our investigation provides detailed space-and time-resolved information on the relative density of atomic and molecular oxygen in the plume, and demonstrates a strong correlation between their behavior. The results shed light on the occurrence of reactive-collisional processes involving the ablated material and the environment, leading to O-2 dissociation.
A., Camposeo; F., Cervelli; Fuso, Francesco; Allegrini, Maria; Arimondo, Ennio
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/190693
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