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What is kerr spectroscopy in magnetic materials used for that can't be done by just using the kerr effecrt?

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Kerr spectroscopy in magnetic materials is used to determine the spectral dependence of the complex magneto-optical Voigt constant Q, which is responsible for Kerr rotation and ellipticity. It allows for the measurement of the spectral dependence of Kerr rotation and ellipticity angles, as well as the complex intrinsic Voigt constant, without the need for samples with different thicknesses . The Kerr effect, on the other hand, refers to the rotation of the plane of polarization of light reflected from a magnetized material. While the Kerr effect is important for data storage technologies and monitoring magnetic states, Kerr spectroscopy provides a more comprehensive understanding of the magneto-optical properties of magnetic materials, including their spectral dependence and complex intrinsic constants .

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Patent Material for magnetic kerr effect Yonemoto Takaharu, Murata Hideaki, Mori Taiichi, Sano Kenichi, Ebisawa Takashi, Miyagawa Tsugio - Show less +5 more 02 May 1991 3 Citations	Kerr spectroscopy in magnetic materials is used to enhance the magnetic Kerr rotation angle for any wavelength, making it effective for high magneto-optical recording mediums.
Journal Article•DOI Magneto-optical Kerr spectroscopy in ferromagnetic semiconductors: determination of the intrinsic complex magneto-optical Voigt constant H Riahi, M.A. Maaref, Aristide Lemaître, K. J. Jin - Show less +3 more 07 Nov 2018-Semiconductor Science and Technology 3 Citations	Kerr spectroscopy in magnetic materials is used to determine the spectral dependence of the complex magneto-optical Voigt constant, which cannot be done by just using the Kerr effect.
Journal Article•DOI Surface Magnetism and Kerr Spectroscopy Z.Q. Qiu, S.D. Bader - Show less +1 more 01 Oct 1995-Mrs Bulletin 5 Citations	Kerr spectroscopy in magnetic materials is used to study surface magnetism and provides additional information beyond what can be obtained from the Kerr effect alone.
Open access•Dissertation Magneto-optical Kerr effect spectroscopy setup. Robin Silber 01 Jan 2012	Kerr spectroscopy in magnetic materials is used to determine the magneto-optical spectra, which cannot be directly measured using the Kerr effect alone.
Book Chapter•DOI Magneto-optics and the Kerr Effect with Ferromagnetic Materials Allan D. Boardman, Neil King - Show less +1 more 29 Dec 2009 4 Citations	Kerr spectroscopy in magnetic materials is used for monitoring magnetic states and data storage, which cannot be achieved solely by using the Kerr effect.

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