Nomad Atomics have developed next generation sensors for monitoring underground resources such as water and gas.

Nomad Atomics - Next generation sensors for monitoring underground resources such as water and gas.  ©CSIRO, Tony Newby

The sensors use the operating principle of quantum gravity, which relies on measuring the motion of a cloud of laser-cooled atoms in free-fall. The measurement can be reference to universal (unchanging) properties of the atomic species which gives a highly accurate and stable determination of free-fall acceleration. This provides many orders of magnitude improvement in long-term stability compared to existing devices, which is a key requirement for the detection of small, slowly changing gravity and acceleration signals.

Lead Institute

Australian National University

Team Members

  • Christian Freier
  • Kyle Hardman
  • Paul Wigley

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