Detection techniques in spin-off technologies

Optical reference cavity

Optical reference cavity, with low expansion Zerodur spacer.

The detection of Gravitational Waves (GW) require unprecedented sensitivity. Over the last two decades, a host of techniques in various aspects of instrumentation physics has been developed to achieve this goal. These include techniques in longitudinal and alignment control; optical resonator technologies; acoustic, mechanical and thermal isolation, laser stabilisation, and laser spectroscopy. At the Centre for Gravitational Physics, we have been actively exploring ways to transfer some of these technologies into promising industrial and commercial applications. Over the past few years, we have had landmark successes in applying GW detection techniques in fibre-optic sensing for oil and gas exploration (see below for example) as well as security and defence; laser stabilisation; and high resolution spectrometry.

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Chow, Jong profile

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