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Enhancing Nuclear Safety


Research

Research units

Ionizing Radiation Dosimetry Laboratory (LDRI)

The Ionizing Radiation Dosimetry Laboratory is located at Fontenay-aux-Roses, in the Paris region and managed by Isabelle Clairand.


Summary

 



Context and research themes

 

The main research theme of the Ionizing Radiation Dosimetry Laboratory is "Biological dosimetry and indicators".

 

 

Research axes

 

  • Perform studies and research on external dosimetry measurement and calculation techniques within the field of conventional radiation protection;

 

  • Set up and use installations supplying reference radiation and the associated instruments, for photon and beta metrology applied to dosimetry, for the requirements of the IRSN and any other external customer as well as within the context of BNM/COFRAC activities;

 

  • Perform services and supply assessments for the qualification of radiation protection instruments;

 

  • Perform studies and research on experimental and digital techniques for dosimetric reconstruction and retrospective dosimetry in the case of accidental exposure and ensure the operational character;

 

  • Perform dosimetry studies and assessments for work stations and special exposure situations in the industrial, medical and transport sectors;

 

  • Support the Dosimetry Surveillance Laboratory (LSDOS) and radiological experiment dosimetry.

 

 

Specialties and researchers

 

Isabelle Clairand, head of laboratory

Céline Bassinet, research engineer

Marion Baumann, technician

Anthony Bonfrate, PhD student (2013-2016)

Marie-Anne Chevallier, research engineer

Jacques Debroas, technician

Christelle Huet, research engineer

Sylvain Meylan, PhD student (2013-2016)

Jean-Baptiste Pontier, engineer

Yoann Ristic, technician

François Trompier, research engineer

Laurent Van Ryckeghem, research engineer

Carmen Villagrasa, research engineer

 

 

Facilities and techniques

 

  • Gamma and beta irradiators, low power X-ray generators for calibration;
  • Gamma irradiator for radio-biology experiments;
  • Spectrometer for Electron Paramagnetic Resonance (EPR);
  • Workstations and Monte-carlo calculation codes for modelling;
  • Field measurement instruments for photon and neutron dosimetry and spectrometry.

 

 

Partnership and research networks


The LDRI is involved in two European contracts:

 

  • DOSMAX “Dosimetry of Aircrew Exposure to Radiation During Solar Maximum”. Dosimetry of flight personnel exposure in a maximum solar cycle period

 

  • EVIDOS “Evaluation of Individual Dosimetry” in Mixed Neutron and Photon Radiation Fields: Workstation studies in the European nuclear industry, spectrometry, individual dosimetry, angular dosimetry and spectrometry.

 

The LDRI manages the SIEVERT system, set up with the General Civil Aviation Division (DGAC), the Paul-Emile Victor French Polar Institute and the Paris Observatory, which enables calculation of cosmic radiation doses received by flight personnel and passengers on board commercial aircraft.


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Représentation en volume des isotopes dans les tissus de la victime  Crédits : Noak/Le bar Floréal/IRSN

Laboratory's publications

Contact

Isabelle Clairand, head of laboratory

 

IRSN/PRP-HOM/SDE

Ionizing Radiation Dosimetry Laboratory
BP 17
92262 Fontenay-aux-Roses Cedex
France

 

By Phone : +33 (0)1 58 35 87 62


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