|Title||The ten-channel pulsed radar reflectometer at the TEXTOR-94 tokamak|
|Publication Type||Journal Article|
|Year of Publication||2001|
|Authors||J.C van Gorkom, M.J. van de Pol, A.JH Donne|
|Journal||Review of Scientific Instruments|
A new ten-channel pulsed radar reflectometer has been taken into operation at the Torus Experiment for Technology Oriented Research-94. The system will be used simultaneously as a density profile and as a density fluctuation diagnostic. Ten density layers from 0.4 x 10(19) to 4 x 10(19) m(-3) can be probed simultaneously at 2 MHz. The design of the diagnostic has undergone some changes, to improve reliability of the system. Examples of time delay measurements are shown. These examples illustrate the fluctuation capabilities of the diagnostic at high time resolution, as well as the response of the different channels to density profile changes. (C) 2001 American Institute of Physics.
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