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Single-pulse magneto-optic microscopy: a new tool for studying optically induced magnetization reversals

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Abstract

We have developed a femtosecond magneto-optical imaging system that allows measurements of permanent magnetic effects that are initiated by a single excitation pulse. The system combines a subpicosecond temporal resolution and a high spatial resolution. We demonstrate the system in an experiment that studies the laser-induced magnetization reversal in ferromagnetic thin films.

© 2008 Optical Society of America

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