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Details of Grant 

EPSRC Reference: GR/K82369/01
Title: CUSTOMISED OPTICS FOR ENHANCING LASER ULTRASONICS.
Principal Investigator: Somekh, Professor M
Other Investigators:
See, Dr C
Researcher Co-Investigators:
Project Partners:
Rolls-Royce Plc T & N Technology Ltd
Department: Sch of Electrical and Electronic Eng
Organisation: University of Nottingham
Scheme: Standard Research (Pre-FEC)
Starts: 01 May 1996 Ends: 31 July 1999 Value (£): 248,129
EPSRC Research Topic Classifications:
Lasers & Optics
EPSRC Industrial Sector Classifications:
Aerospace, Defence and Marine Manufacturing
Transport Systems and Vehicles
Related Grants:
Panel History:  
Summary on Grant Application Form
This project will develop a range of new optical components, which will produce controlled light distributions on the sample, which will in turn produce laser ultrasonic distributions which are precisely controlled in both frequency and/or spatial distribution. This will allow one to develop efficient non-contacting ultrasonic measurement and imaging and also to access test pieces with awkward geometries. To satisfy these aims we will develop design methodologies capable, in the first instance, of producing a series of elements aimed at specific tasks namely (i) compensation foraberration in cylindrical lenses so a fine line focus can be achieved, (ii) focussing onto a series of concentric arcs to both focus the sound waves and enhance the higher frequency components, (iii) a three dimensional focussing element to access ends of, say, a cylindrical roller bearing (iv) a holographic element to be used for both generation and detection and (v) an element capable of focussing bulk waves into the sample. These designs will all be manufactured using the e-beam facility and quartz ceramics, materials, sensors, surfaces, optics, instrumentation. (quartz etching facility at Glasgow University.)
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Further Information:  
Organisation Website: http://www.nottingham.ac.uk