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Regensburg 2013 – scientific programme

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DF: Fachverband Dielektrische Festkörper

DF 12: Poster 1

DF 12.73: Poster

Tuesday, March 12, 2013, 10:30–13:30, Poster D

Kerr- and Faraday microscope for space- and time-resolved studies — •Oliver Schmitt, Daniel Steil, Sabine Alebrand, Mirko Cinchetti, and Martin Aeschlimann — Department of Physics and Research Center OPTIMAS, TU Kaiserslautern, Germany

Characterization of the magnetic properties of thin films is extremely important both for fundamental studies as well as for technical applications. We present a multi-purpose magneto-optical microscope[1] for the investigation of structured magnetic thin films. The setup can be used for both static and dynamic (pump-probe) measurements. It is moreover compatible with samples with arbitrary magnetic anisotropy, as it allows Kerr measurements in polar and longitudinal geometry as well as in transmission (Faraday geometry). We demonstrate that the microscope can be used in the following modi: (i) static imaging mode (in polar Kerr and Faraday geometry) with a spatial resolution of 1 micron. (ii) time-resolved mode (polar Kerr geometry) with a temporal resolution of four hundred femtoseconds.

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