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Some of the important considerations in the design of a retarding field analyzer suitable for Auger electron spectroscopy based on display LEED optics are described. From such considerations an instrument has been built with an instrumental linewidth of less than 0.3% (resolution greater than 360). Analysis is made of the limitations insensitivity of the device due to shot noise, and on this basis a comparison is made with a 127° cylindrical electrostatic analyzer. The analysis can be readily extended to other forms of retarding field and deflection analyzers.
N.J. Taylor (Sun,) studied this question.