Laser Ablation and Its Applications by Claude Phipps

By Claude Phipps

Laser ablation describes the interplay of excessive optical fields with subject, within which atoms are selectively pushed off through thermal or nonthermal mechanisms. this can be the 1st publication that mixes the newest leads to this quickly advancing box with authoritative therapy of laser ablation and its functions, together with the physics of high-power laser-matter interplay.

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The possible electrostatic mechanisms of ion ejection from laser-exposed regions where ultrafast phase-transitions (to transient states with low carrier transport properties) occur are not discussed in this work. 2. Fast electron transport and Coulomb explosion... SURFACE ,--^ AuxlOO 0 . • • • ' s i x 100 Q -J yu u. o cc 31 / 5 ^ ^ ^ - ' - ^ R I T I C A L ELECTRIC FIELD H o 10 UJ _J HI 0 2 4 6 DISTANCE [nm] 8 10 Figure 5. Spatial bulk profiles of the electric field induced by ultrafast laser radiation in metals, semiconductors, and dielectrics at time moments corresponding to the maximum values of the electric field for each material.

71, 162 Zhakhovskii Vasilii, Nishihara Katsunobu, Fukuda Yuko, and Shimojo Shinji, 2004, A New Dynamical Domain Decomposition Methodfor Parallel Molecular Dynamics Simulation on Grid, Annual Progress Report 2003, Institute of Laser Engineering Osaka University, 2004, p. , 1999, Shock wave structure in Lennard-Jones crystal via molecular dynamics, Phys. Rev. , 83, 1175 Chapter 2 FAST ELECTRONIC TRANSPORT AND COULOMB EXPLOSION IN MATERIALS IRRADIATED WITH ULTRASHORT LASER PULSES Nadezhda M. Bulgakova', Razvan Stoian^, Arkadi Rosenfeld^, Ingolf V.

2000c). The present article gives an account of the underlying physical phenomena of the CE mechanism of laser ablation and presents a unified model to describe the processes that can influence the development and decay of charge accumulation on the surfaces of laser-irradiated materials of different classes (dielectrics, semiconductors, and metals). We will confine our considerations to gold, silicon, and sapphire as typical representatives of their classes. 2. EXPERIMENTAL EVIDENCE IN FAVOR OF LASER-INDUCED COULOMB EXPLOSION The ultrashort pulse laser ablation of AI2O3 has been the subject of a large number of studies due to its useful mechanical, optical, and electrical properties.

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