Probing the transverse magneto‐optical Kerr effect at the nanoscale | Zendy

AlvarezPrado L.M. | Zendy; Souche Y. | Zendy; Carminati R. | Zendy

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Probing the transverse magneto‐optical Kerr effect at the nanoscale

Author(s) -

AlvarezPrado L.M.,

Souche Y.,

Carminati R.

Publication year - 2007

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.200675353

Subject(s) - physics , magneto optic kerr effect , magneto optical , near field scanning optical microscope , optics , transverse plane , magnetic field , formalism (music) , reciprocity (cultural anthropology) , nanoscopic scale , kerr effect , thin film , optical microscope , aperture (computer memory) , magnetic domain , condensed matter physics , magnetization , quantum mechanics , scanning electron microscope , art , musical , social psychology , psychology , structural engineering , nonlinear system , acoustics , visual arts , engineering

This article presents a theoretical formalism for a magneto‐optical scanning near‐field microscope (MO‐SNOM) in the transverse magneto‐optical Kerr effect configuration. Polarized light emitted by a nanosource is scattered by the magnetic object towards the detector. The nanosource is modelled as a circular aperture in an infinitely thin, perfectly conducting screen following the Bethe–Bouwkamp model. The theorem of reciprocity is used for calculating the detected signal in a constant‐height scanning mode for a Co thin film pattern. Two magnetic distributions are investigated: the single domain and the Bloch wall. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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