The interaction of an ultra-intense, ultra-short laser pulse with nano-rods is investigated. The nano-rods consist of two materials with different mass. The interaction leads to the ionisation of the ...nano-rods and their consecutive Coulomb explosion. A number of simulations are performed to understand the nonlinear optical properties of the electronic subsystem interacting with the driver laser. It is shown that the dynamics of the Coulomb explosions can be controlled by changing the cylinder radius, the cylinder density, the gap between the cylinders, and the laser parameters. The simulations are performed with the help of the plasma simulation code (PSC), which is a Particle-In-Cell (PIC) code. The PSC solves the Vlasov-Maxwell system of equations that describes the time evolution of the particle distribution functions.
Summary form only given. The plasma module included in COMSOL multiphysics software was used to simulate the gaseous electronics conference RF reference cell (GEC) in the inductively coupled plasma ...mode. Both argon and a mixture of argon/oxygen plasmas were considered. The dependence of the radial distribution of the electrons and ions densities at the wafer surface on the pressure, the ICP coil power as well as on the oxygen concentration was investigated. Within the range of values considered, the highest electron density was found to be achieved inside the pure argon discharge at a pressure of 20 mtorr and applying a coil power equal to 1500 W. The addition of oxygen provided high densities of negative oxygen ions especially toward the end of the wafer. With O 2 concentration set equal to 30%, the increase in the power results in higher electron densities along with lower negative oxygen ion densities.
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