Polarization ripples
http://dbpedia.org/resource/Polarization_ripples
Polarization ripples are parallel oscillations which have been observed since the 1960s on the bottom of pulsed laser irradiation of semiconductors. They have the property to be very dependent to the orientation of the laser electric field.
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Polarization ripples
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33591865
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Polarization ripples are parallel oscillations which have been observed since the 1960s on the bottom of pulsed laser irradiation of semiconductors. They have the property to be very dependent to the orientation of the laser electric field. Since the wide availability of femtosecond lasers, such structures have been observed on metals, semiconductors, but also on dielectrics. Moreover, the ripples can reach far sub-wavelength periodicities until 100 nm as recently observed in titanium. The "cumulative" changes occurring from pulse to pulse in the material properties are still under investigation.
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