Abstract
A versatile UHV-polarimeter for the EUV XUV spectral range is described which incorporates two optical elements: a phase retarder and a reflection analyzer. Both optics are azimuthally rotatable around the incident synchrotron radiation beam and the incidence angle is freely selectable. This allows for a variety of reflectometry, polarimetry and ellipsometry applications on magnetic or non-magnetic samples and multilayer optical elements.
Highlights
The high precision 8-axis ultra-high vacuum compatible (UHV)-polarimeter (Schäfers et al, 1999) is a multipurpose instrument which can be used as a multilayer-based self-calibrating polarization detector for linearly and circularly polarized UV- and soft X-ray light (Gaupp et al, 2013; MacDonald et al, 2009)
It can be used for the characterization of either re ection or transmission properties (Eriksson et al, 2006; Schäfers, 2000) as well as to determine polarizing and phase retarding properties of any optical element (Uschakow et al, 2013)
Magneto-optical experiments are possible in transmission, as the XMCD or XMLD (Magnetic Circular / Linear Dichroism) that are intensity measurements (Mertins et al, 2002)
Summary
The high precision 8-axis ultra-high vacuum compatible (UHV)-polarimeter (Schäfers et al, 1999) is a multipurpose instrument which can be used as a multilayer-based self-calibrating polarization detector for linearly and circularly polarized UV- and soft X-ray light (Gaupp et al, 2013; MacDonald et al, 2009). It can be used for the characterization of either re ection or transmission properties (re ectometry) (Eriksson et al, 2006; Schäfers, 2000) as well as to determine polarizing and phase retarding properties (ellipsometry) of any optical element (Uschakow et al, 2013). A load-lock transfer chamber allows for quick and easy sample exchange
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