Abstract
A display type spherical mirror analyzer was newly developed and its nature was analyzed in detail. It consists of an inner hemispherical grid, an outer hemispherical electrode whose radius is two times large as that of the inner grid, a small aperture, and two dimensional detector. Only the charged particles with the same kinetic energy can exit through the aperture and the angular distributions of them are observed by the two dimensional detector. The characteristics of the analyzer are (1) the acceptance cone is ultimately wide (2π sr), (2) the pattern obtained is not distorted, and (3) the structure of the components are very simple and easy to construct. The loci of the charged particles, the resolution of the analyzer, and the flight-time of the particles were analytically expressed.
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