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User oriented end-station on VUV pump-probe magneto-optical ellipsometry at ELI beamlines

S. Espinoza ; G. Neuber ; C. D. Brooks ; B. Besner ; M. Hashemi ; M. Rubhausen ; Jakob Andreasson (Institutionen för fysik, Kondenserade materiens fysik (Chalmers))
Applied Surface Science (0169-4332). Vol. 421 (2017), p. 378-382.
[Artikel, refereegranskad vetenskaplig]

A state of the art ellipsometer for user operations is being implemented at ELI Beamlines in Prague, Czech Republic. It combines three of the most promising and exotic forms of ellipsometry: VUV, pump-probe and magneto-optical ellipsometry. This new ellipsometer covers a spectral operational range from the NIR up to the VUV, with high through-put between 1 and 40 eV. The ellipsometer also allows measurements of magneto-optical spectra with a 1 kHz switchable magnetic field of up to 1.5 T across the sample combining ellipsometry and Kerr spectroscopy measurements in an unprecedented spectral range. This form of generalized ellipsometry enables users to address diagonal and off-diagonal components of the dielectric tensor within one measurement. Pump-probe measurements enable users to study the dynamic behaviour of the dielectric tensor in order to resolve the time-domain phenomena in the femto to 100 ns range.



Denna post skapades 2017-09-22.
CPL Pubid: 252025

 

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Institutioner (Chalmers)

Institutionen för fysik, Kondenserade materiens fysik (Chalmers)

Ämnesområden

Kemiteknik

Chalmers infrastruktur