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High-precision polarization measurements with lumped element kinetic inductance detectors

Our aim with this work is to demonstrate that two arrays of lumped element kinetic inductance detectors, when employed in filled array configuration and separated by an external linear polarizer oriented at 45°, can achieve the precision required by next-generation cosmological experiments. The focus here is on validating their ability to meet stringent uncertainty requirements, in particular for polarization angle reconstruction.

S. Savorgnano, A. Catalano, J. F. Macias-Pérez, J. Bounmy, O. Bourrion, M. Calvo, O. Choulet, G. Garde, A. Gerardin, M. Kusulja, A. Monfardini, N. Ponthieu, D. Tourres and F. Vezzu

Astronomy & Astrophysics 700, A114 (2025)

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