Abstract

Guided (Lamb) waves in the human skull have received attention as a promising alternative to conventional ultrasound techniques for transcranial transmission, especially to access the brain periphery efficiently and thereby to increase the treatment envelope. We present detailed investigations of transcranial leaky Lamb waves and their radiation characteristics for degassed slices of a human skull through finite-element simulations based on microcomputed tomography scans (that account for high resolution diploë porosity) as well as rigorous experiments to extract the radiation angle dispersion spectra.

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