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[[TJ-II]] has an AM reflectometer | [[TJ-II]] has an AM reflectometer | ||
<ref>[http://dx.doi.org/10.1088/0741-3335/43/11/308 T. Estrada et al., Plasma Phys. Control. Fusion '''43''' (2001) 1535–1545]</ref> | <ref>[http://dx.doi.org/10.1088/0741-3335/43/11/308 T. Estrada et al., Plasma Phys. Control. Fusion '''43''' (2001) 1535–1545]</ref> | ||
for measuring electron density profiles with a temporal resolution of 2 ms | for measuring electron density profiles with a temporal resolution of 2 ms. | ||
( | Separate antennas are used for launching and receiving the signal. The antennas are located in the equatorial plane of the toroidal cross-section at φ = 45º (between [[TJ-II:Sectors|sectors]] A4 and A5), and view the plasma from the low-field side. | ||
Inside the vacuum vessel, a fundamental wave-guide is used to transmit the signal from the closest port (A4top: φ =38.17º, θ =90º) to the desired launching location (φ = 45º,θ = 180º). | |||
== Fluctuation Reflectometer == | == Fluctuation Reflectometer == |