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Diamond Spectrometers and Dosimeters


Research and Development of Diamond Detector Based Spectrometers and Dosimeters

Tech Area / Field

  • INS-DET/Detection Devices/Instrumentation

8 Project completed

Registration date

Completion date

Senior Project Manager
Lapidus O V

Leading Institute
TRINITI, Russia, Moscow reg., Troitsk


  • Princeton University / Plasma Physics Laboratory, USA, NJ, Princeton\nGeneral Atomics, USA, CA, San Diego

Project summary

This Project is natural continuation of the ISTC Project N447. The milestones of this working plan were determine in the course of worldwide joint research with the application of created diamond detectors and NDD based spectrometers, flux monitors and dosimeters carrying out with the number of American, European and Japanese collaborators.

This Project will be dealing with further research and development of natural diamond detectors for various applications and development design and application in fusion and space research, medicine, ecology and radiation technology of the NDD based spectrometers and dosimeters. Research and development of natural diamond detector technology will be continued. Namely, will be studied:

– kinetic of creation, annealing, excitation and passivation of charge capture centers in diamond;

– diamond detector radiation resistance in fast ion fluxes;
– an ultra-thin graphite-diamond interface properties with the aim to diminish dead layer;
– the NDD charge collection mechanism with the aim to provide full or fast charge collection.

Special natural diamond detectors to be used for:

– charge exchange atom and unconfined ion spectrometry in the energy range 20-4,000 keV in magnetic fusion experiments;

– space plasma ion spectrometry in the energy range down to 10 keV and possibly lower;
– time of flight charged fusion product spectrometry in inertial confinement fusion experiments;
– UV x-and g-ray flux monitoring and dosimetry for medicine, ecology and radiation technology will be developed and manufactured.

The prototypes of ultra-high count rate NDD based spectrometers of charge exchange atoms (for NSTX, D-IIID, JET, LHD and JT-60U) and unconfined ions (for NSTX) will be created and tested in TRINITI.

The prototype of detector plus electronics part of NDD based space plasma ion spectrometer will be developed in collaboration with MSFC.

The prototype of charged fusion product time of flight spectrometer will be developed and tested in collaboration with LLNL, LANL and ILE Osaka university.

UV flux monitors and dosimeters for the application in medicine, ecology and radiation technologies will be created and tested.


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