  A radially-coupled coaxial fast Faraday cup design was presented in [1] for
high-intensity non-relativistic proton beams. In this work, we discuss a
modification of that design in the context of a relatively lower intensity ion
beam for longitudinal charge profile measurements. Particle-in-cell and time
domain electromagnetic simulations of the new design with a focus on avoiding
field dilution while generating enough signal for relatively lower intensity
ion beams at the upcoming High Current Injector Programme at IUAC, New Delhi
[2,3] is discussed. Profile distortions from secondary electron emission are
estimated and strategies to suppress them are discussed.
