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In situ investigation of laser ablation

In situ Untersuchung der Laserablation
: Lenk, A.; Witke, T.


Fresenius Journal of Analytical Chemistry 353 (1995), S.333-336
ISSN: 0937-0633
Fraunhofer IWS ()
aluminium; ballistic balance; high speed camera; Hochgeschwindigkeitskamera; in situ REM; in situ SEM; laser; material ablation; Materialabtrag; plasma investigation; Plasmauntersuchung; Waage

The complex system of in situ diagnostic methods such as SEM, ballistic microbalance, electric probe and high speed photography is necessary for measurement of basic parameters of laser target interaction. Only the knowledge of these basic parameters allows the discussion of microscopical processes on the target surface by laser irradiation. The results are discussed for our synchronised double laser system and for aluminium target. The mass relation of atoms, ions and droplets emitted by the target was determined. This relation is the base of a complete energy balance of laser target interaction.