HPGE detector GWL – Ortec

ORTEC HPGE detector GWL Series High-Purity Germanium (HPGe) Well Detectors are a good solution for low level couting of small samples. The unique ion-implanted detector well has an ultra-thin dead layer (only 0.3 μm thick), and therefore provides the most extensive useful energy range (10 keV to 10 MeV). Unlike other Well detectors that have a hole all the way through the germanium crystal, ORTEC’s Well Detectors have a “blind hole” with at least 5 mm of active germanium at the bottom of the hole (image to right). This near 4 π geometry provides the maximum absolute counting efficiency available. The large well (1.55-cm diameter and 4.0-cm-long) accommodates an extensive range of sample sizes. Like all of ORTEC’s HPGe photon detectors, the HPGe Well detector may be stored or cycled repeatedly to room temperature without performance degradation.

HPGE detector GWL feature:

• near 4 π geometry; high absolute counting efficiency for small samples.
• spectroscopy from 10 keV to 10 MeV.
• active Volumes to 400 cc.
• unique ion-implanted blind well.
• extra-large well (1.55 x 4.0 cm) standard.

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