The Planar Pair Geometry for Ge(Li) Detectors

Some of the more desirable features of large volume coaxial and smaller volume planar detectors are combined in a planar pair configuration of planar lithium drifted germanium diodes. The present work examines some of the more important considerations involved and presents data obtained using a 27 cm3 planar pair with energy resolution of 3.0 keV FWHM at 1.33 MeV.