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Rotating Reflector Spectrometers for ECE Diagnostic in Large Fusion Devices

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Diagnostics for Experimental Thermonuclear Fusion Reactors

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Abstract

Fourier transform spectrometers (FTS) give a unique possibility to perform a spectral overview of electron cyclotron emission (ECE) by a single, absolutely calibrated instrument; furthermore, detailed measurements of the electron temperature profile can be obtained, provided that the spectral resolving power is adequately large. Since the latter is proportional to the maximum path difference introduced in the two-beam interferometer which multiplexes the spectrum, the time resolution for a given spatial resolution is limited by the time taken to scan the path difference.

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References

  1. . P. Buratti and M. Zerbini, A Fourier transform spectrometer with fast scanning capability for tokamak plasma diagnostic, to be published on Rev.Sci.Instrum (August 1995).

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  2. . P. Buratti and M. Zerbini, Fourier transform spectrometers employing rotating helicoidal reflectors, in Proceedings of Ninth Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Borrego Springs ( USA ), January 1995.

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  3. D. H. Martin, in Infrared and Millimeter Waves edited by K. J. Button (Academic, New York, 1982), Vol. 6, p. 79.

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Author information

Authors and Affiliations

  1. Associazione EURATOM-ENEA ulla Fusione Centro Ricerche Frascati, CP 65, 00044, Frascati Rome, Italy

    P. Buratti & M. Zerbini

Authors
  1. P. Buratti
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  2. M. Zerbini
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Editor information

Editors and Affiliations

  1. JET Joint Undertaking, Abingdon, Oxfordshire, England

    Peter E. Stott

  2. University of Milan, Milan, Italy

    Giuseppe Gorini  & Elio Sindoni  & 

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© 1996 Plenum Press, New York

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Buratti, P., Zerbini, M. (1996). Rotating Reflector Spectrometers for ECE Diagnostic in Large Fusion Devices. In: Stott, P.E., Gorini, G., Sindoni, E. (eds) Diagnostics for Experimental Thermonuclear Fusion Reactors. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0369-5_24

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  • DOI: https://doi.org/10.1007/978-1-4613-0369-5_24

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-8020-7

  • Online ISBN: 978-1-4613-0369-5

  • eBook Packages: Springer Book Archive

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