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High Purity Germanium (HPGe) and Silicon Lithium [Si(Li)] Radiation Detectors
HPGe and SiLi Radiation DetectorsSemiconductor based photon radiation detectors have been evolving for over half a century, with ORTEC pioneering commercial availability for a majority of that time. Initial offerings were based around lithium-drifted germanium Ge(Li) and lithium-drifted silicon Si(Li). Ge(Li) was later replaced with more advanced, high purity germanium (HPGe) detectors.  ORTEC provides a comprehensive suite of HPGe and Si(Li) radiation detector solutions covering an extensive range of energies and for a variety of applications.

Cryogenic cooling is required for germanium and silicon semiconductor photon radiation detectors.  In order to support various counting geometries, ORTEC offers  a wide range of cooling options ranging from standard LN2 systems, to advanced electro-mechanical cryocoolers such as ICS™.

These technologies enable ORTEC HPGe radiation detectors to be used world-wide in applications as diverse as nuclear structure physics to the prevention of illicit nuclear materials trafficking at the world's largest ports of commerce.

Tutorial of the Physics of Semiconductor Detectors.

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