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Details of Grant 

EPSRC Reference: GR/K91200/01
Title: LONG RANGE DISTRIBUTION OPTICAL FIBRE SENSOR FOR TEMPERATURE AND STRAIN.
Principal Investigator: Jackson, Professor D
Other Investigators:
Pannell, Professor C Webb, Dr W Webb, Professor DJ
Researcher Co-Investigators:
Project Partners:
Furukawa Research
Department: Sch of Physical Sciences
Organisation: University of Kent
Scheme: Standard Research (Pre-FEC)
Starts: 01 February 1997 Ends: 31 January 2000 Value (£): 157,035
EPSRC Research Topic Classifications:
Instrumentation Eng. & Dev.
EPSRC Industrial Sector Classifications:
Aerospace, Defence and Marine Manufacturing
Energy
Related Grants:
Panel History:  
Summary on Grant Application Form
This project builds on previous research at UKC into a distributed fibre sensor which has a sensing range 50 km combioned with a spatial resolution of 2-3 metres, despite the fact that it was implemented in a non ideal format with standard commercial components.The main aims of the project are to demonstrate a generic distributed sensor with 1) A sensing range well in excess of 200 km, 2) An inherent auto-calibrating facility with the measurement accuracy immune from drift in the laser frequency, 3) Data recovered using modest bandwidth electronics (500MHz bandwidth rather than 10 GHz bandwidth of previous approach), 4) Single-ended operation to increase the applicability of the system, 5) To improve both the temperature, strain and spatial resolution and methods to uniquely separate these parameters, 6) To undertake preliminary studies on applications for the system in temperature monitoring.The main feature of this work is the development of a source based on stimulated Brillouin scattering that will replace one of the two lasers required in our previous system and simultaneously bring about the benefits listed in 2) and 3) above.
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Organisation Website: http://www.kent.ac.uk