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Figure 5 | EPJ Quantum Technology

Figure 5

From: Engineering the microwave to infrared noise photon flux for superconducting quantum systems

Figure 5

(a) Rectangular WR10 2.54 mm × 1.27 mm waveguide sections filled with the Esorb-230 material. The spacers are used for the measurements of the \(S_{11}\) and \(S_{21}\) parameters in the 75 to 110 GHz frequency range. These are then used to determine the electromagnetic properties (\(\epsilon _{r}\), \(\mu _{r}\)) of the material. (b) Amplitude and phase of scattering parameters measured for both waveguide spacers. The solid black lines show the results of HFSS simulation with electromagnetic parameters extracted by the NRW method

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