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Distributed Acoustic Sensing


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Optical fibres have revolutionised telecommunications. Will Distributed Acoustic Sensors, based on optical fibres, now revolutionise the way we understand infrastructure around us? If so, how do we deal with the data?

Date and Time

29 November 2017 - 18:30-21:00


Bedford, United Kingdom - icon_popup  (See map)


Organised by the UK - East:Beds & Herts local network. Contact Yi Cao (Y.Cao@cranfield.ac.uk) for more information.

About this event

Distributed Acoustic Sensors (DAS) can make separate simultaneous measurements of nano-strain changes within every few metres of up to 40km of optical fibre. In this way, standard optical fibre, often already installed next to our roads, railway lines and pipelines, can become thousands of separate, phase-coherent microphones.

This talk will describe the basic physics around the technique, current progress, and some of the applications that have already emerged in oil and gas, infrastructure monitoring and security. It will also touch on some of the many opportunities that exist for new applications.

A common challenge amongst all these applications is processing and extracting the useful information from the vast amount of data produced. For example, in the US there exist over 25,000km of railway track. If half of this were to be instrumented by DAS, the total data produced could exceed 125TB/s^-1. How do we process and transport all this data? This talk will touch on some ideas.


1830  Networking & Refreshments
1900  Lecture starts
2000  Lecture finishes, followed by Q&A
2100  Event finishes

Reasons to attend

This talk will get you thinking about; Distributed Acoustic Sensing and its current and future applications, big data, information within data and distributed signal processing.

Continuing Professional Development

CPD logo declaring this event can contribute 2 hours towards your Continuing Professional Development

This event can contribute towards your Continuing Professional Development (CPD) as part of the IET's CPD monitoring scheme.

CPD Certificates (if required) are available after the event upon request from our Secretary, Mr Ian Brooker (ibrooker@theiet.org).


Free of Charge

Additional information

Speaker: Dr Ed Austin, Focus Sensors Ltd.
Ed is managing director and co-founder of Focus Sensors. He has over 17 years’ experience in leading optical sensor research and is co-inventor of Indus, a new DAS sensing technique. Ed completed a PhD in fluorescence-based optical sensors at the ORC, Southampton University in 2002. He continued there, leading development of a variety of novel optical sensor systems, until joining Stingray Geophysical, a startup commercialising optical seismic sensing systems, in 2009. Stingray was acquired by the seismic data company TGS in 2011. Ed left TGS in March 2015 to form Focus Sensors. Ed is inventor or co-inventor of over 10 patent families and author of more than 33 papers.

Registration information

Please register for this event if you intend to come.
This event is organised by the IET Beds & Herts Local Network as part of our 2017-18 program. 


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