Multiband reflectometry system for density profile measurement with high temporal resolution on JET tokamak

201055 citationsJournal Article

Authors

A. Sirinelli · Culham Science Centre

B. Alper · Culham Centre for Fusion Energy

C. Bottereau · CEA Cadarache

F. Clairet · Commissariat à l'Énergie Atomique et aux Énergies Alternatives

L. Cupido · Instituto Superior Técnico

J. Fessey · Culham Science Centre

C. Hogben ·

Abstract

A new system has been installed on the JET tokamak consisting of six independent fast-sweeping reflectometers covering four bands between 44 and 150 GHz and using orthogonal polarizations. It has been designed to measure density profiles from the plasma edge to the center, launching microwaves through 40 m of oversized corrugated waveguides. It has routinely produced density profiles with a maximum repetition rate of one profile every 15 μs and up to 100 000 profiles per pulse.

Topics & Keywords

Magnetic confinement fusion research Particle accelerators and beam dynamics Ionosphere and magnetosphere dynamics

UN Sustainable Development Goals

Affordable and clean energy

Publication Details

Published in: Review of Scientific Instruments

Volume 81, Issue 10

DOI: 10.1063/1.3502329

Field-Weighted Citation Impact: 3.13