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Article Dans Une Revue Journal of Low Temperature Physics Année : 2022

High Impedance Surfaces for Above IC Integration of Cooled Bolometer Arrays at the 350 μm Wavelength

Résumé

High-impedance surfaces (HIS) are investigated here for the above-IC integration of sub-millimeter-wave (350 μm here) detectors on CMOS electronics using standard thin film manufacturing processes and materials. We demonstrate theoretically and experimentally the efficient optical absorption of a resistive dipole array above an HIS at cryogenic temperature. More specifically, an absorption above 78% in linear polarization is obtained over a bandwidth of 100 μm around a center wavelength of 350 μm. These results confirm the promising performances of HIS structures in the perspective of future polarimetric bolometers in terms of absorption efficiency, bandwidth and cross-polarization discrimination.
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hal-03892305 , version 1 (26-05-2024)

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L. Dussopt, A. Aliane, H. Kaya, V. Goudon, L. Rodriguez, et al.. High Impedance Surfaces for Above IC Integration of Cooled Bolometer Arrays at the 350 μm Wavelength. Journal of Low Temperature Physics, 2022, 209 (5-6), https://doi.org/10.1007/s10909-022-02814-9. ⟨10.1007/s10909-022-02814-9⟩. ⟨hal-03892305⟩
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