The possibility to characterize the coherence properties of an electron source is presented. The method, based on the determination of centered-reduced moments of the beam spot, allows the evaluation of both amplitude and phase of the complex degree of spatial coherence. The experimental results are in agreement with a different approach based on the Fourier analysis and with calculations according to the Van Cittert – Zernike theorem.
J. Carrasquilla-Alvarez, R. Castaneda, J. Garcia-Sucerquia, M. Schofield, M. Beleggia, Y. Zhu, et al. (2008). Retrieving of the complex degree of spatial coherence of electron beams. OPTIK, 119, 127-133 [10.1016/j.ijleo.2006.07.007].
Retrieving of the complex degree of spatial coherence of electron beams
MATTEUCCI, GIORGIO
2008
Abstract
The possibility to characterize the coherence properties of an electron source is presented. The method, based on the determination of centered-reduced moments of the beam spot, allows the evaluation of both amplitude and phase of the complex degree of spatial coherence. The experimental results are in agreement with a different approach based on the Fourier analysis and with calculations according to the Van Cittert – Zernike theorem.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
