Abstract

The inverse square electric field between the plates of a charged spherical condenser provides a focussing of charged particles leaving a source on the inner sphere. Part I of this paper dealt with the characteristics of such a spectrometer for the case where the source may be considered concentrated at a point on the axis of the instrument. The present analysis is concerned with the line profile, the transmission, and the resolution of the spectrometer for a distributed source. Where high transmission is important, a source on the inner sphere having a radius 30% of the radius of the inner sphere provides a transmission of 16% at an energy resolution of 7.7%.

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