In an attempt to understand the behavior of species ejected from an ablated target in the pulsed-laser deposition (PLD) of high-temperature (high-Tc) superconducting thin films, a variety of diagnostic techniques have been applied. Among them, laser-induced fluorescence is one of the most powerful for the detection of the atomic and molecular species that are believed to be the major constituents in PLD.1,2 Since PLD is quite dynamic in both time and space, a good imaging technique is required for understanding the whole process. We have successfully applied planar laser-induced fluorescence to a two-dimensional (2-D) visualization of the particle behavior in the PLD process for high-Tc micrometerthin-film fabrications.

© 1995 Optical Society of America

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