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Photo of Dr Peter Armitage

Dr Peter Armitage

Electronics Technician / lab manager


Telephone: 01392 723653

Extension: (Streatham) 3653

Dr Peter Armitage obtained a BSc degree in Engineering in 1976 from Middlesex Polytechnic. After working for a number of years in geophysical research and exploration world wide (mainly Antarctica, Europe, Indonesia and Africa). he continued his studies at the University of Wales Institute of Science and technology obtaining a post graduate diploma in Electronics in 1986, specializing in communications and Electro-Magnetic theory.

After a few years developing Geophysical and advanced Sonar instruments, returned to study and obtained a PhD in Engineering, Computing and Mathematics from the University of Exeter in 2009, for work involving the application of non-linear acoustic methods to detect defects in metals and composite materials. This research led to a spin off company at the university and the foundation of Theta Technologies Ltd.

Theta Technologies Website:-



Seismic Apparatus and method including use of Transputers for real time processing of data.
The apparatus is able to perform real time demultiplexing of seismic data and other processing such as common depth point stacking, summing, correlation, convolution, two dimensional Fourier transforms and FK filtering.
European patent  UK filing date 19th July 1986. (GB 8617674).
PCT filing 20th July 1987. (PCT/GB87/00510).
granted 14th April 1993.
United States patent granted 5th May 1992. (No. 5,111,399).

Apparatus and methods for detecting rail defects, using the velocity, attenuation, scattering and frequency absorbing properties of surface acoustic waves.
UK patent number GB2383413
date of filing 21:12:2001
publication date 25:06:2003
patent granted 27:09:2005

Devices, systems and methods of detecting defects in work pieces
UK patent number GB0723622.7 (filing 4th Dec 2008)
WO 2009071889 A3
US 2010 0312,496
Granted China June 2013

Publications (since 2002)

P.R.Armitage. The use of low-frequency Rayleigh waves to detect gauge corner cracking in railway lines. The British Institute of Non-Destructive Testing, Vol 44 No 6 June 2002.

P.R. Armitage and J.M. Horwood The role of surface waves in assessing structural damage. Proceedings of the 5th International Conference on Damage Assessment of Structures (DAMAS 2003), Southampton UK, 1st to 3rd July 2003. [pages 467-474]. [Presentation made at this conference].

P.R.Armitage, L.V.Bekers and M.K.Wadee The detection of micro cracks in concrete by the measurement of ultrasonic harmonic generation and intermodulation.

Proceedings of the international conference on concrete solutions
Padua, Italy, 22-25 June 2009. [pages 407-412]

P.R.Armitage, Detecting defects using non-linear acoustic methods, The 7th International Helitune Conference, Viterbo, Italy, 12th to 15 May 2009 [Presentation made at this conference].

P.R.Armitage, Non-linear acoustics:a 21st century NDT solution. 1st Beran conference, Barnstaple, Devon, UK. 13th & 14th October 2009. [Presentation made at this conference]

P.R.Armitage, Non destructive testing of composite ballistic armour, Personal Armour Systems Symposium (PASS) Quebec city, Canada. 13th to 17th September 2010. [Presentation made at this conference].

Armitage PR, Wright CD. (2010) A robust low-cost high-sensitivity sub-Angstrom bi-directional displacement sensor, Review of Scientific Instruments, volume 81, no. 10, article no. 106109, DOI:10.1063/1.3495964.

Armitage PR, Wright CD. (2013) Design, development and testing of multi-functional non-linear ultrasonic instrumentation for the detection of defects and damage in CFRP materials and structures, Composites Science and Technology, volume 87, pages 149-156.

J.R.Wright, P.R.Armitage, T.D.Mottram (2013), Non-linear acoustic techniques for NDT, 52nd Annual conference of the British Institution of Non destructive Testing (BINDT), 10-12 Sept 2013, Telford UK.
[Presentation made at this conference].


Author of a Computer aided Electronic design program package,for use on the BBC Computer and intended for Schools & Colleges,marketed by Gilsoft International. (1985).

Author of Richard Weir Agent of the King. A fictional account set during the Napoleonic wars. Published by Sylvania Books (2015)

Demonstration of candle powered radio