Abstract

During the last years it was shown that time-resolved digital holography (TRDH), combining the conventional offaxis digital holography and ultrashort probing laser pulses results in versatile tool suitable for ultra-fast phenomena studies. The temporal resolution of this method depends on the duration of the used ultrashort probing pulses and measurements could be performed in temporal range from ~20 fs to ~10 ns. We review features of TRDH with femtosecond pulses and its applications for the investigation of such processes occurred or used in laser micro fabrication as femtosecond pulse filamentation in transparent solids, thin film damage by femtosecond pulses and one and double pulse femtosecond laser ablation.

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