Jérémy Flamanc Product Manager Specialty Germanium CANBERRA Specialty Division jeremy.flamanc@canberra.com +33 6-76-49-38-35 (Mobile) +33 3-88-77-43-67 (Office)

Nuclear Physics experiments

Synchrotron detectors

Industrial systems

New Sealed HPGe probe

AREVA MINING original requirements: u  BORE HOLE inspection for Uranium exploration u  Rugged, Sealed, Easy to clean u  Streamline, all attitude u  LN2 free u  Turnkey, Mobile & portable, Easy to deploy u  High Energy resolution (MDA, mixture)

Outcome: a harsh environment compatible HPGe

New Sealed HPGe probe

Sealed Housing

HPGe capsule

Front end electronics

Electrical Cooler

Passive cooler

Watertight connector

Industrial composite cable

Comprehensive Acquisition station

Performances u  Relative efficiency : 20% (coaxial HPGe Φ 50mm x L 50mm) u  Energy resolutions FWHM: 1,2 keV @ 122keV / 2,2 keV @1332 keV u  MDA in water: down to 0,1 Bq /L (depends on background) u  Energy range: 50 keV – 10 MeV u  Count rate up to 100kcps

Probe mechanical characteristics u  Dimensions 80mm x 800 mm u  Sealed (no vents) u  Weight 10kg u  Cable length: up to 100m u  Operating temperature up to 35°C u  Storage temperature up to 50°C

New Sealed HPGe probe

Analysis stations

Watertight case version

Flight case version

How to improve the mobility? u Low cooler power consumtion: 30W u Ultra high vacuum encapsulation of the HPGe detector

•  Full thermal cyclings are not required •  Increased sensor life time & reliability

New Sealed HPGe probe

Station with a 4h battery

Présentation CANBERRA Lingolsheim CONFIDENTIEL

Our users needs it for

Dismantling & Decommissioning u  Wall, Soil u  Collimators for high count rates u  Easy to decontaminate

Water contamination u  Fresh / sea water u  Low MDA

Emergency response u  Robotic system u  Hand held

New Sealed HPGe probe

HPGe is the prefered solution when adressing: u High background environment u Mixture of radionuclides u Low MDA / faster counting time u Separation of natural and anthropogenic sources

Higher efficiency solutions

Rugged HPGe for higher efficiencies

Design for large crystals u Efficiency up to 175% u Air cooling (Fan) u Or Sealed Version

•  Optional External water chiller •  Temperature up to 60°C •  Contaminated areas

u Compatible and exchangeable with existing portable LN2 dewar

Even Higher efficiency detectors

Cluster of largest HPGe crystals u  Coincidence to increase the sensitivity: 1300% achievable u  SW suite allows calculation of the ground dose u  Comprehensive Database: GPS, raw spectra, monitoring

data and more

Extreme efficiencies solutions

5% 20% 175% 1300%

Summary

EFFICICENY RANGE

Summary

  In situ / outdoor spectrometry with HPGe is possible Energy resolutions similar to lab environments   harsh environmental conditions : immersion, bore hole, transportation with cold diode Optimization for mobile use: minimum down time, fast deployement, and easy decontamination, minimal maintenance Custom designs to meet operational footprint constraints The Buidling Blocks developped are applicable to multiple designs

Summary

Questions?

Meet us at CANBERRA booth

jeremy.flamanc@canberra.com