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The
laboratory operates in dual-support mode. In addition to
research projects linked to external grants and contracts,
collaborative research projects are conducted with the
consortium universities. There is also some capacity for
undertaking luminescence dating for external users.
Enquiries should be directed to Dr. David C. W. Sanderson.
The laboratories have an extensive range of equipment for
luminescence dating and research, backed by a full suite
of sample preparation laboratories, and an unmatched
capability for measurement of the environmental
radioactivity associated with dating samples. Luminescence
equipment includes 3 computer based TL readers developed
in-house, together with highly sensitive pulsed PSL
systems, originally developed for detection of irradiated
foods, and a Risų DA15 automatic TL/IRSL/OSL dating
system. Research spectrometers are also available for PSL
excitation spectrometry and time-domain spectrometry.
Irradiation facilities include high precision 90Sr
irradiators calibrated relative to the NPL primary
air-kerma standards to a precision of 1.5%, and 241Am
sources for alpha irradiation. Sample dose rates are
determined by in-situ gamma spectrometry, conducted at the
time of sampling, coupled with thick source beta counting
and high resolution gamma spectrometry in the laboratory,
and ICPMS determination of internal uranium and thorium
concentrations. |