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Article Dans Une Revue Physical Review Applied Année : 2023

Probing Spin Wave Diffraction Patterns of Curved Antennas

Résumé

We report on the dependence of curvilinear shaped coplanar waveguides on the near-field diffraction patterns of spin waves propagating in perpendicularly magnetized thin films. Implementing the propagating spin waves spectroscopy techniques on either concentrically or eccentrically shaped antennas, we show how the link budget is directly affected by the spin wave interference, in good agreement with near-field diffraction simulations. This work demonstrates the feasibility to inductively probe a magnon interference pattern with a resolution down to 1µm 2 , and provides a methodology for shaping spin wave beams from an antenna design. This methodology is successfully implemented in the case study of a spin wave Young's interference experiment.
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Dates et versions

hal-04425544 , version 1 (30-01-2024)

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Loic Temdie, Vincent Castel, V. Vlaminck, M.B. Jungfleisch, R. Bernard, et al.. Probing Spin Wave Diffraction Patterns of Curved Antennas. Physical Review Applied, 2023, 21 (1), pp.014032. ⟨10.1103/PhysRevApplied.21.014032⟩. ⟨hal-04425544⟩
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