Experimental study of the spatial evolution of the spectrum of a Raman FEL

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Zambon, P. and Witteman, W.J. and Slot van der, P.J.M. (1995) Experimental study of the spatial evolution of the spectrum of a Raman FEL. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 358 (1-3). pp. 126-128. ISSN 0168-9002

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Abstract:For a specific set of parameters, corresponding to an operating point near magneto-resonance, the evolution of the spectrum generated by a Raman FEL was investigated. It is shown that in several frequency bands radiation is emitted. These different frequencies are identified as belonging to the FEL instability and another mechanism, probably the gyrotron instability. The measurements show apparently a competition between these mechanisms. The experimentally determined growth rate is somewhat larger than the theoretical one, indicating that the FEL does not operate as a true amplifier.
Item Type:Article
Copyright:© 1995 Elsevier Science
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/24890
Official URL:http://dx.doi.org/10.1016/0168-9002(94)01289-X
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Metis ID: 129691