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Proceedings Paper

Optical second harmonic generation in centrosymmetric antiferromagnetic NiO
Author(s): M Fiebig; D Froehlich; Th. Lottermoser; V. V. Pavlov; R. V. Pisarev; J. H. Weber
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Paper Abstract

Optical second harmonic generation (SHG) in NiO in spectroscopy and topography experiments reveals a pronounced signal below the Neel temperature which couples quadratically to the antiferromagnetic order parameter. The SH process originates in combined magnetic-dipole and electric-dipole transitions between the (3d)8 levels of the Ni2+ ion in the crystal field. It is greatly enhanced by being resonant both in the incoming and the outgoing light waves. The polarization dependence reveals a sensitivity of the SH process to both T and S domains which are investigated in imaging experiments.

Paper Details

Date Published: 12 July 2002
PDF: 10 pages
Proc. SPIE 4766, XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions, (12 July 2002); doi: 10.1117/12.475340
Show Author Affiliations
M Fiebig, Univ. Dortmund (Germany)
D Froehlich, Univ. Dortmund (Germany)
Th. Lottermoser, Univ. Dortmund (Germany)
V. V. Pavlov, A.F. Ioffe Physico-Technical Institute (Russia)
R. V. Pisarev, A.F. Ioffe Physico-Technical Institute (Russia)
J. H. Weber, Univ. Dortmund (Germany)


Published in SPIE Proceedings Vol. 4766:
XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions

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