Abstract

The heating of CO2-laser-irradiated hollow aluminum particles filled with air to temperatures up to the boiling temperature or beyond is analyzed by solution of the heat-transport equation. Two different criteria for particle disruption are considered. The values of the incident intensity and the ratio of the inner and the outer particle radii, when one or the other particle disruption mechanism can take place, are presented. The dependence of the temperature distributions inside the particles on the laser intensity as well as on the core and shell sizes is obtained.

© 1997 Optical Society of America

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