Document Type

Article

Department

Physics (HMC)

Publication Date

8-2004

Abstract

A new method to measure and analyze the time and spectrally resolved polarimetric response of magnetic materials is presented. It allows us to study the ultrafast magnetization dynamics of a CoPt3 ferromagnetic film. The analysis of the pump-induced rotation and ellipticity detected by a broad spectrum probe beam shows that magneto-optical signals predominantly reflect the spin dynamics in ferromagnets.

Comments

This article is also available from the American Physical Society at http://link.aps.org/doi/10.1103/PhysRevLett.93.077401.

Rights Information

© 2004 American Physical Society

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