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From: skarthik@rodan.acs.syr.edu (S. Karthik)
Newsgroups: sci.physics,sci.electronics
Subject: ESCA/XPS problem
Message-ID: <1081@rodan.acs.syr.edu>
Date: 19 Oct 89 18:20:59 GMT
Sender: skarthik@rodan.acs.syr.edu
Reply-To: skarthik@ec.ecn.purdue.edu (S. Karthik)
Organization: Syracuse University, Syracuse, NY
Lines: 14



Can anyone explain to me how the analyzer pass energy in the ESCA system
controls the resolution ? It seems to me that if the the number of electrons
liberated as a function of the binding energy is  Gaussian, so is the
kinetic energy of the liberated electrons, and I do not understand how a 
retarding potential applied to the analyzer is able to increase the 
resolution for electrons of different kinetic energies.

Please e-mail responses; and thanks in advance.

Regards,

Karthik