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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Optical breakdown threshold in fused silica with femtosecond laser pulses
Laser and Particle Beams, Volume 31, No. 3, Year 2013
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Description
A theoretical model for electrons in the conduction band intend to investigate the optical breakdown threshold in femtosecond laser pulse-fused silica interaction is presented. The model is derived from a rate equation that includes the avalanche and multi-photon ionization processes of Thornber and Keldysh, respectively, and also the three-body and exciton recombination mechanisms. In addition, the time evolution of electron mean energy is also considered through the energy balance equation. The mean energy acts as a trigger for the avalanche mechanism. The evolution of electron density profiles is calculated and discussed with respect to the ionization and recombination mechanisms. The results for the fluence threshold as a function of the pulse duration fall in good agreement with the experimental data reported in the literature. Copyright © Cambridge University Press 2013.
Authors & Co-Authors
Bendib, Abderrezeg
Algeria, Algiers
Université Des Sciences et de la Technologie Houari Boumediene
Bendib-Kalache, K.
Algeria, Algiers
Université Des Sciences et de la Technologie Houari Boumediene
Deutsch, C.
France, Orsay
Laboratoire de Physique Des Gaz et Des Plasmas
Statistics
Citations: 10
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1017/S0263034613000396
ISSN:
02630346
e-ISSN:
1469803X