Investigation of the dependence of the energy resolution of a hemispherical deflection analyzer on the distance of the position sensitive detector from the focal plane


Nounis C., Laoutaris A., Madesis I., Dimitriou A., Sise O., Benis E. P. , ...More

29th International Conference on Photonic, Electronic, and Atomic Collisions (ICPEAC), Toledo, Philippines, 22 - 28 July 2015, vol.635 identifier identifier

Abstract

Synopsis We investigate the energy resolution and line shape of a biased paracentric hemispherical deflector analyzer considering the distance between the exit focal plane and the detection plane. Equipped with a piezoelectrically controlled location of a 2D position sensitive detector we were able to accurately determine the optimum conditions for best energy resolution. The voltages of the injection lens of the spectrometer were also optimized for each location.