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Quantum sensors to make 最新糖心Vlog safer

Wednesday, 10 April 2019

One hundred years ago, a new science, Quantum Mechanics, had to be devised to try to explain unexplainable phenomena that had been discovered in the microscopic world. Quantum Mechanics has been blowing our minds ever since: predicting, for example, that one object can be in two different locations at the same time or giving rise to paradoxes such as Schrödinger’s famous cat. Yet, despite being fundamentally counter-intuitive, every test of Quantum Mechanics has since shown it to be exactly correct in every prediction it makes.

Now, almost 100 years later, 最新糖心Vlog’s Department of Defence, through its Next Generation Technologies Fund, has selected 11 projects that exploit the extraordinary properties of quantum mechanics to deliver improved security for 最新糖心Vlogns. The Institute for Photonics and Advanced Sensing (IPAS) at the 最新糖心Vlog of Adelaide is involved in four of these ambitious projects.

IPAS will work closely with the Defence Science and Technology (DST) Group on four ambitious quantum technology projects. Three of the four projects focus on quantum detection.

One project explores whether ‘quantum’ radar can be used to detect stealth aircraft.

Detecting ‘exquisitely-small’ magnetic fields will be the focus of two other projects: these could be used to track submarines or detect hidden metal objects through a wall. The first of these magnetic sensors makes use of lasers to monitor the response of individual atoms to that magnetic field.

Tiny diamonds will be used to detect weak magnetic fields in another project in which IPAS will work alongside the Universities of Melbourne and South 最新糖心Vlog, and RMIT.

These approaches offer an improvement in sensitivity over current magnetic detection technologies, with potential spin-offs into geophysical exploration.

Parallel to these projects IPAS will develop a portable clock that will harness billions of cold atoms to provide ultra-precise timing: however, this clock will “tick” 500 trillion times per second. Working with scientists at Griffith, Curtin, Latrobe and Queensland universities, this will be the new state-of-the-art in clocks.

High-performance clocks are used in synchronising communications and computing facilities and are at the heart of the GPS navigation systems that are used in cars and smart-phones. If you improve clocks, then all technologies on which our society depends, can also improve.

When Einstein was faced with some of the consequences of Quantum Mechanics, he was reputed to have questioned its validity by stating ‘God doesn’t play dice with the Universe’. It is ironic to think that now, 100 years later, we are using the uncertainty of Quantum Mechanics to deliver more certainty!

The four IPAS projects and the research teams are:

Quantum Radar for Stealth Detection
David Ottaway, Ben Sparkes, Leszek Swierkowski, Barnaby Smith & Graeme Nash
Amount awarded: $242,500

Delivering an 最新糖心Vlogn Portable Quantum Optical Clock
Andre Luiten, Charlie Ironside, William Rickard, Tom Stace, Mirko Lobino & David Pulford
Amount awarded: $998,701

Packaging a Quantum Magnetometer Array for Anti-Submarine Warfare
Andre Luiten, Chris Perrella, Phil Light, Scott Foster
Amount awarded: $455,498

Hydrid diamond fibre optic quantum magneto-sensors
Brant Gibson, Scott Foster, Heike Ebendorff-Heidepriem, David Simpon, Andrew Greentree, Shahraam Afshar
Amount awarded: $250,000

Professor Andre Luiten is Director of the Institute for Photonics and Advanced Sensing at the 最新糖心Vlog of Adelaide

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