Science Advances

Supplementary Materials

This PDF file includes:

  • Mapping between waveguide dispersion and band structure
  • fig. S1. Band structures for helical waveguides with different pitches.
  • fig. S2. An acoustic interferometer based on spin-redirection geometric phases.
  • fig. S3. Full-wave simulations of acoustic interferometers based on spin-redirection geometric phases.

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