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The electron cyclotron emission diagnostic on FTU tokamak is routinely performed with a Michelson interferometer with spectral range extending up to 1300 GHz. The diagnostic allowed accurate electron temperature measurements during the recent 140 GHz electron cyclotron resonance heating experiments on FTU. Very accurate measurements have been performed on a wide range of electron temperatures and profile peaking. THE ECE measurements have been compared with Thomsen scattering and with observations of X-ray spectra from highly stripped molybdenum ions. The superthermal emission in these conditions has been studied

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Bibliographic Reference: Article: Review of Scientific Instruments, 70 (1999)1, 1007-1010
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