نتایج جستجو برای: optical kerr effect

تعداد نتایج: 1885497  

2017
V. Loriot P. Béjot W. Ettoumi Y. Petit J. Kasparian S. Henin E. Hertz B. Lavorel O. Faucher J.-P. Wolf

1998
S. I. Tertychniy

It is shown that, in the case of Kerr-Newman space-time, the complex electromagnetic strength E + i H and analogous complex intensity of the gravitational field F attr − i 2 F gyr share the common complexified spatial direction.

Journal: :The Review of scientific instruments 2011
Ashish Arora Sandip Ghosh Vasam Sugunakar

An arrangement is described for performing magneto-optical Kerr effect (MOKE) spectroscopy in polar geometry with a conventional C-frame or H-frame type electromagnet. It uses an additional mirror which eliminates the need for an electromagnet pole piece with an axial hole and allows for easy switching between polar MOKE geometry and longitudinal or transverse MOKE geometries. A theoretical ana...

2009
VALENTIN IONIŢĂ

The paper presents an identification method of the numerical Preisach hysteresis model, based on the digital acquisition and processing of the magnetic microstructure images, which are obtained by time-resolved magneto-optical microscopy. The statistic Preisach function is computed by the superposition of all pixels, allowing to verify the basic assumptions of Preisach hysteresis model from the...

2005
S. B. Leble B. Reichel

The coupled nonlinear Schrödinger equations (CNLS) which describe two linearly polarized modes interaction (with taken into account the polarization modes interaction) in the Kerr medium is derived. We take first two modes for cylindrical fiber which are also known as HE11 and TE01 modes which have different propagation constant. This approach bases on projection to orthogonal function basis (B...

2011
Chanjuan Sun Junichiro Kono Adilet Imambekov Emilia Morosan

We have performed magneto-optical Kerr spectroscopy measurements on intercalated transition-metal dichalcogenide Fe0.25TaS2 in the polar Kerr geometry as a function of temperature, magnetic field, and wavelength. The Kerr angle exhibits pronounced peaks at ∼775 nm (1.6 eV) and ∼515 nm (2.4 eV), which we attribute to spin-dependent interband optical transitions arising from states in the vicinit...

2011
Valentina Bonanni Stefano Bonetti Tavakol Pakizeh Zhaleh Pirzadeh Jianing Chen Josep Nogués Paolo Vavassori Rainer Hillenbrand Johan Åkerman Alexandre Dmitriev

We introduce a new perspective on magnetoplasmonics in nickel nanoferromagnets by exploiting the phase tunability of the optical polarizability due to localized surface plasmons and simultaneous magneto-optical activity. We demonstrate how the concerted action of nanoplasmonics and magnetization can manipulate the sign of rotation of the reflected light's polarization (i.e., to produce Kerr rot...

Journal: :Acta Physica Polonica A 2001

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