TJ-II:Interferometry: Difference between revisions
→The Microwave interferometer
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The diagnostic is located in [[TJ-II:Sectors|sector]] B8. | The diagnostic is located in [[TJ-II:Sectors|sector]] B8. | ||
The probing beam has an inclination of 18.7º with respect to the vertical and a frequency of 140 GHz, corresponding to a wavelength of λ = 2.14 mm. | The probing beam has an inclination of 18.7º with respect to the vertical and a frequency of 140 GHz, corresponding to a wavelength of λ = 2.14 mm. | ||
The diagnostic provides a time trace of the- | The diagnostic provides a time trace of the line-integrated electron density (65536 points, sampling rate 100 kHz). | ||
The time trace is called 'Densidad2_' in the [[TJ-II:Shot_database|TJ-II database]]. | The time trace is called 'Densidad2_' in the [[TJ-II:Shot_database|TJ-II database]]. | ||
The signal is less reliable for high densities (above 2-3 10<sup>19</sup> m<sup>-3</sup>). | The signal is less reliable for high densities (above 2-3 10<sup>19</sup> m<sup>-3</sup>). | ||