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Daniel Creedon has the measure of his colleagues Australia-wide.

The research association in the School of Physics won the National Measurement Institute's annual national prize on World Metrology Day, last week.

NMI announced that Dr Creedon had been awarded the NMI Prize for 2013 for his contributions to research in measurement techniques.

Dr Creedon made measurements on a Whispering Gallery Maser Oscillator (WGMO) which demonstrated the nature of the processes limiting its performance, thus pointing the way to further improvements for the WGMO as a next generation ultra-stable frequency standard.

He improved the stability of the WGMO and developed an improved measurement system that allowed characterisation of the WGMO without adding noise.

Dr Creedon characterised crystal sapphire oscillators at very low temperatures, thus discovering a new operational range with the potential for even better frequency stability.

With precise characterisation, he also discovered non-linear effects which have potential application to a number of quantum technologies and to the generation of microwave frequency combs.

The award is another feather in the cap for the School's metrology lab, which has notched up an impressive list of international awards and fellowships.