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Optics and spinntronics

The group of Prof. Johan Åkerman in our department is a world leading research group in the field of spinntronics. We have recently initiated a collaboration with his group where we combine their knowledge in spinntronics with our competence in the field of lasers. Our aim is to study how spinntronic devices react when exposed to femtosecond laser pulses. An intense laser pulse is focused down to micrometer sized spot. This induces spin waves in the magnetized sample which is detected using a Brillouin scattering microscope. Of particular interest is to study the system when repetition rate of the laser have the same frequency as the magnetic resonance frequency. We have, for this purpose, acquired a femtosecond laser with a repetition rate in the GHz range.

Page Manager: Måns Henningson|Last update: 2/28/2019

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Utskriftsdatum: 2019-12-12