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in subjects: "Michelson Interferometer"

open access

VISAR: interferometer quadrature signal recording by electronic streak camera

This short paper describes a demonstration to record the four quadrature signals from a push-pull VISAR velocity interferometer using an electronic streak camera. Optical fibers were used to transmit the interferometer outputs to the camera photocathode. Brightness variations of these signals were recorded on film during the experiment. Velocity information was later recovered from this record to give a continuous velocity history. Anticipated advantages over previous methods are increased time… more

Date: January 1, 1985

Creator: Hemsing, W.F.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

ECE diagnostic of high temperature ECRH heated plasmas on FTU

The Electron Cyclotron Emission (ECE) 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 (ECRH) 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 Thomson Scattering and w… more

Date: January 31, 2000

Creator: Zerbini, M.; Buratti, P.; Tudisco, O.; Giruzzi, G.; Bruschi, A.; Cirant, S. et al.