| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 1, 2006
|
|
|---|---|---|
| Article Number | 06017 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.2971/jeos.2006.06017 | |
| Published online | 12 October 2006 | |
Regular papers
Transverse magneto-optical Kerr effect measured using phase modulation
1
Laboratory of Magnetism, Institute of Experimental Physics, University of Bialystok, 41 Lipowa Street, 15-424 Bialystok, Poland
2
Department of Physics, Technical University Ostrava, 17. listopadu 15, 708 33 Ostrava-Poruba, Czech Republic
3
Research Institute of Electronics, Shizuoka University, Johoku 3-5-1, Hamamatsu 432-8011, Japan
4
Institute of Physics, Polish Academy of Sciences, Al . Lotnikow 32/46, 02-668 Warsaw, Poland
5
Institute of Physics, Charles University, Ke Karlovu 5,121 16 Prague 2, Czech Republic
Received:
17
August
2006
An ellipsometric configuration for measurement of the complex transverse magneto-optical Kerr effect is described that uses a photoelastic modulator (PEM). The real and imaginary parts of the complex transverse Kerr effect are represented as small perturbations of ellipsometric angles ψ and ∆. The measurement, based on null ellipsometry and zone averaging, gives high signal typical for modulation techniques and insensitivity to other magnetisation components and system imperfections. The method is demonstrated by the measurement of transverse component during magnetisation reversal in a thin cobalt film.
Key words: Transverse magneto-optic Kerr effect / phase modulation / null ellipsometry / photoelastic modulator
© The Author(s) 2006. All rights reserved.
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