Mbda UK Limited

Andrew Michael Chugg

Jonathan James Ward

James Robert McIntosh

James Robert Mcintosh

There is disclosed a device for determining a strength of an oscillating electric field. The device comprises an absorber to absorb radiation at the frequency of the oscillating electric field, and a thermal insulator transparent to radiation at the frequency of the oscillating electric field, which thermal insulator is arranged to thermally insulate the absorber. The device also comprises a first temperature sensor arranged to measure the temperature of the absorber, and a second temperature sensor arranged to measure the temperature external to the thermal insulator. Methods of measuring electric field using such a device, and methods of calibrating such a device, are also disclosed.

Electric field sensor

A method of relatively positioning a workpiece and a reference axis comprising effecting relative displacements of the workpiece and the reference axis along orthogonal axes so that an intersection of the reference axis with the workpiece is moved at substantially constant speed along a curvilinear path. The method is particularly applicable to SEE sensitivity mapping of a microchip memory using a pulsed laser, relative to the axis of which the chip is moved in a spiral path.

Workpiece positioning method and apparatus

A radiation monitor which utilises a CCD or a single chip camera with an active pixel array sensor as its radiation sensitive device. A shielding configuration has been utilised to mitigate the displacement damage threat in space environments, whilst also introducing a good degree of directional sensitivity.

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Bristol, United Kingdom

Andrew Michael Chugg