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Core Services

Core G - Dosimetry

Terry Yoshizumi, PhD - Dosimetry

terry.yoshizumi@duke.edu

Dosimetry Lab Website

Core G will be operated in conjuntion with the Duke Radiation Dosimetry Laboratory (DRDL). The DRDL program is jointly operated by the Department of Radiology and the Duke Radiation Safety Division. The DRDL has developed extensive experience in human dosimetry in diagnostic radiology and cardiac catheterization. The laboratory is equipped with metal oxide semiconductor field effect transistor (MOSFET) detectors (Thomson & Nielson Electronics Ltd., Ottawa, Canada). The MOSFET technology provides the ability to measure specific organ doses using anthropomorphic phantoms in real-time. In addition, we have extensive experiences with traditional thermoluminescence dosimeters (TLD-100) (Harshaw, Solon, OH). DRDL acquired and has expertise in using several Monte Carlo codes (MCNP, MCNPX, FLUKA and MARS) for simulation of radiation transport in matter. Monte Carlo calculations, verified by benchmark measurements, are useful in studying options of experimental setup and providing additional insight in qualifying measured quantities.

Specific Aims of the Dosimetry Core:

1. Ensure that radiation dosimetry consultation and health physics support are available to all RadCCORE members.

2. Provide radiation output quality assurance for all irradiators and calibrations of all X-ray, gamma, and neutron sources.

3. Oversee timely incorporation of new radiation dosimetry technology to provide state-of-the-art health physics support.

Duke University Irradiator Dose Calibration System

Please visit this online resource to verify exposure times needed to deliver a prescribed dose.

DHTS Web Services