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Influence of optical standing waves on the femtosecond laser-induced forward transfer of transparent thin films

By David P. Banks, Kamal Kaur and Robert W. Eason

Abstract

The effects of the formation of an optical standing wave during femtosecond laser-induced forward transfer of transparent films is analyzed using a numerical interference model. The dependence of the intensity distribution on a number of easily controllable experimental parameters is investigated. Results of the model are compared to experimental studies of the transfer of gadolinium gallium oxide (GdGaO) with a polymer sacrificial layer. The model allows us to explain the observed variation in deposit morphology with the size of the air gap, and why forward transfer of the GdGaO was possible below the ablation thresholds of polymer and oxid

Topics: QC, TK
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:78855
Provided by: e-Prints Soton

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