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physics.app-ph2020
Using Cerenkov radiation for measuring the refractive index in thick samples by interferometric cathodoluminescence
Michael Stöger-Pollach, Stefan Löffler, Niklas Maurer +1
Cathodoluminescence (CL) has evolved into a standard analytical technique in (scanning) transmission electron microscopy. CL utilizes light excited due to the interactions between…
physics.app-ph2019
/2 Mode Converters and Vortex Generators for Electrons
Christian Kramberger, Stefan Löffler, Thomas Schachinger +3
In optics, mode conversion is an elegant way to switch between Hermite Gaussian and Laguerre Gaussian beam profiles and thereby impart orbital angular momentum onto the beam and to…