High-harmonic spin-shearing interferometry for spatially resolved EUV magneto-optical spectroscopy.
Opt Express
; 32(11): 19076-19087, 2024 May 20.
Article
em En
| MEDLINE
| ID: mdl-38859051
ABSTRACT
We present a method for achieving hyperspectral magnetic imaging in the extreme ultraviolet (EUV) region based on high-harmonic generation (HHG). By interfering two mutually coherent orthogonally-polarized and laterally-sheared HHG sources, we create an EUV illumination beam with spatially-dependent ellipticity. By placing a magnetic sample in the beamline and sweeping the relative time delay between the two sources, we record a spatially resolved interferogram that is sensitive to the EUV magnetic circular dichroism of the sample. This image contains the spatially-resolved magneto-optical response of the sample at each harmonic order, and can be used to measure the magnetic properties of spatially inhomogeneous magnetic samples.
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01-internacional
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MEDLINE
Idioma:
En
Ano de publicação:
2024
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Article