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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Superradiance driven by coherent spontaneous emission in the cherenkov maser

McNeil, B.W.J. and Robb, G.R.M. and Jaroszynski, D.A. (1999) Superradiance driven by coherent spontaneous emission in the cherenkov maser. Optics Communications, 163 (4-6). pp. 203-207. ISSN 0030-4018

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Abstract

An analysis of the Cherenkov maser instability operating with electron pulses is carried out. A model which can describe the effects of Coherent Spontaneous Emission (CSE) is derived. The results from this model are compared with previous work which neglect the effects of CSE. The model suggests that CSE can drive and significantly enhance superradiant emission from the electron pulses, offering a potential source of high intensity, short pulse radiation. This mechanism should also be present in other devices such as the Free Electron Laser.