Cluster dynamics at different cluster size and incident laser wavelengths

Details Cluster dynamics at different cluster size and incident laser wavelengths Cluster dynamics at different cluster size and incident laser wavelengths

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..611..282d&link_type=abstract

SUPERSTRONG FIELDS IN PLASMAS: Second International Conference on Superstrong Fields in Plasmas, Second International Conference

Physics

1

Plasma Production And Heating By Laser Beams, Diffusion And Dynamics Of Clusters, Particle-In-Cell Method, X-Ray, Gamma-Ray, And Particle Generation

Scientific paper

X-ray emission spectra from aluminum clusters of diameter -0.4 μm and gold clusters of dia. ~1.25 μm are experimentally studied by irradiating the cluster foil targets with 1.06 μm laser, 10 ns (FWHM) at an intensity ~1012 W/cm2. Aluminum clusters show a different spectra compared to bulk material whereas gold cluster evolve towards bulk gold. Experimental data are analyzed on the basis of cluster dimension, laser wavelength and pulse duration. PIC simulations are performed to study the behavior of clusters at higher intensity I>=1017 W/cm2 for different size of the clusters irradiated at different laser wavelengths. Results indicate the dependence of cluster dynamics on cluster size and incident laser wavelength. .

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