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Details of Grant 

EPSRC Reference: GR/L48775/01
Title: NON-LINEAR INTERACTIONS BETWEEN RELATIVISTIC ELECTRON PULSES AND EM RADIATION
Principal Investigator: Phelps, Professor ADR
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Physics
Organisation: University of Strathclyde
Scheme: Standard Research (Pre-FEC)
Starts: 01 June 1997 Ends: 31 May 2000 Value (£): 145,414
EPSRC Research Topic Classifications:
Atoms & Ions
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
The study of the fundamental interactions between relativistic electrons and electromagnetic radiation in strong magnetic fields have given rise to several sources of high power coherent tunable radiation such as the Cyclotron Auto-Resonance Maser and the Free Electron Maser. Both experimental and theoretical studies at the University of Strathclyde have demonstrated an exciting new regime of operation of these sources called superradiance. Superradiance arises when the pulse structure of the electrons affects the interaction between radiation and electrons. This results in scaling laws which differ from the theory of non-pulsed electron beams, and are generally more advantageous for the efficient production of high peaked power radiation. Such radiation has many applications, existing and potential, ranging from the cleaning of flue gases of fossil-fuelled power stations to biological research utilising coherent x-rays. The proposed research will give an understanding of superradiant processes. The theoretical and computational modelling of the superradiant interactions in such sources will be undertaken, studying from long electron pulses to the ultra short. The effects of initial perturbations on the electron pulses will be studied and how these relate to a spiking radiation mode of operation. Detailed comparison between theory and ongoing experiments will be made.
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Organisation Website: http://www.strath.ac.uk