Nonlinear Regime of the Excitation of a Surface Electromagnetic Wave on the Silicon Surface by an Intense Femtosecond Laser Pulseстатья
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Дата последнего поиска статьи во внешних источниках: 28 ноября 2013 г.
Аннотация:A surface electromagnetic wave has been excited on an atomically smooth silicon surface by an intense infrared femtosecond laser pulse as a result of its selfdiffraction on a microscale shortlived optical inhomogene ity of the excitation region rather than on the roughness of its surface relief. This wave has been visualized in the form of the pattern of its interference with the same incident infrared ultrashort pulse, which corresponds
to the instantaneous surface dielectric constant grating (reflection), as well as the resulting surface relief grating, using timeresolved farfield optical reflection microscopy.