• Gamma Ray Imaging Detectors

    PHDS Co. develops and manufactures germanium detector (HPGe) systems including gamma ray imaging detector systems.

  • Vertical Manufacturing & Technology

    Complete Germanium material processing & detector fabrication.

  • Nuclear Applications

    Location and Identification of Important Radioactive Materials

Welcome to PHDS

PHDS Co. develops and manufactures HPGe gamma-ray imaging detector systems.

  • Nuclear Physics
  • Gamma-Ray Imaging
  • Positron Spectroscopy
  • Rare Particle Detection
  • Nuclear Medicine Imaging
  • Preclinical Molecular Imaging
  • Radiopharmaceuticals
  • Health Physics
  • Nuclear Power
  • Nuclear Materials Management
  • Safeguards
  • Nuclear Spectroscopy
  • Environmental Monitoring
  • Isotope Identification and Location
  • Compton Imaging
  • Decommissioning
  • Decontamination 
  • Demolition


  • GeGI demonstrated live at WM2015 read more…
  • GeGI introduced at IEEE in Seattle read more…
  • GeGI differentiates and locates sealed containers of radioactive waste at... read more…
  • Alameda Maritime Interdiction Exercise read more…
  • PHDS Co. introduces GeGI gamma-ray imaging to INMM in Atlanta July 2014 read more…
  • Hundreds of live demonstrations of GeGI at PHDS Co. first exhibit at HPS July... read more…
  • GeGI for Decontamination and Decommissioning read more…
  • GeGI shows up big at the NNSA Chicago Exercise. read more…

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or call 865 202 6253