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Revista mexicana de física
Print version ISSN 0035-001X
Abstract
RAMIREZ DIAZ, H.; MARTI PANAMENO, E.A.; MENDEZ OTERO, M.M. and ALEJO AMIENTA, C.A.. Transmisión de pulsos luminosos ultracortos que inciden oblicuamente sobre un medio absorbente y/o dispersivo. Rev. mex. fis. [online]. 2004, vol.50, n.3, pp.225-231. ISSN 0035-001X.
In this work is studied the transmission of linearly polarized optical pulses, which arrive from vacuum into a material medium at arbitrary angle of incidence. The considered geometry take into account that the electric field has parallel and perpendicular components to the plane of incidence. Analitical expressions are obtained for electrical and magnetic fields inside the material medium, the functional form of the expressions allow to relate the imaginary and real parts of the wave vector with the loss of the pulse spectral amplitud and with its propagation direction, respectively. It is found a generalized integral relation for the Poynting vector, in the time domain, which is valid for dispersive and absorbent media.
Keywords : Electromagnetism; wave propagation; ultrashort light pulses.