Modeling of new effects at the interaction between very intense laser beams and atoms, molecules, and materials

Alexandru Popa

doi:10.1117/12.729650

25 April 2007 Modeling of new effects at the interaction between very intense laser beams and atoms, molecules, and materials

Alexandru Popa

Author Affiliations +

Proceedings Volume 6606, Advanced Laser Technologies 2006; 66060Z (2007) https://doi.org/10.1117/12.729650
Event: Advanced Laser Technologies 2006, 2006, Brasov, Romania

Abstract

We show that the interaction between very intense laser beams and atoms is accompanied by oscillations of the electrons in very intense electromagnetic fields, at relatively long distances, of the order of tens of nanometers and lead to two effects: the above threshold ionization and the high order harmonics generation. Two components of the kinetic energy of the electrons appear at the interaction between very intense laser beams and atoms, molecules and materials. The first component is a multiple of the energy of the field quanta and is due to a quantum electrodynamics effect, while the second component is a variable one, due to a classical quiver motion of the electron in the very high electrical field. In a recent paper we proved that the Klein-Gordon equation which describes these interactions has a solution at the classical limit. We show that this result could lead to a strong simplification of the modeling of the above effects.

Citation Download Citation

Alexandru Popa "Modeling of new effects at the interaction between very intense laser beams and atoms, molecules, and materials", Proc. SPIE 6606, Advanced Laser Technologies 2006, 66060Z (25 April 2007); https://doi.org/10.1117/12.729650

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