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Updated: May 31, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
Published on: April 4, 2017
First results from the modular multi-channel dispersion interferometer at the TEXTOR tokamak
H Dreier1, P Bagryansky, N Baumgarten
1Max-Planck-Institut für Plasmaphysik, EURATOM Association, Wendelsteinstr. 1, D-17491 Greifswald, Germany.
Abstract:
At the TEXTOR tokamak in Jülich, Germany, a modular dispersion interferometer was installed and operated for the first time. Equipped with four lines of sight, the line-integrated density could be measured in parallel at different major radii with a resolution of better than 3 × 10(17) m(-2). This paper will describe the setup and show the first measurement results. Among others, it was possible to detect the evolution of a disruption with a time resolution of 4 μs. The movement of the runaway beam following the disruption could be resolved spatially and temporarily.
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