Communication Dans Un Congrès Année : 2026

Methods for Measuring Sub-Surface Skin Displacement during Ultrasound Mid-Air Haptic Stimulation

Lendy Mulot
Basil Duvernoy
William Frier
Saito Sakaguchi
Anders Fridberger
Håkan Olausson
Sarah Mcintyre

Résumé

Ultrasound mid-air haptic interfaces allow for the rendering of tactile stimulation with no contact, through the constructive interference of phasecontrolled acoustic waves. In addition to the interesting potential it brings for rich and natural tactile stimulation, its large design space and noncontact nature stand out from most existing technologies. This means that UMH requires more in-depth understanding, especially of the skin mechanics in response to stimulation, and how it contributes to tactile perception. At the same time, the noncontact nature of UMH facilitates such study, as it can stimulate the skin from a distance, without occluding measurement tools. Here, we propose an original setup to measure the sub-surface displacement of the glabrous skin in response to a variety of UMH stimuli, using functional optical coherence tomography (fOCT). Such measures are necessary to understand how the skin reacts to the acoustic radiation of UMH, providing insights about the underlying perception of UMH stimuli. We present the first set of measurements combining UMH and fOCT with a data processing pipeline and preliminary discussion of early results demonstrating feasibility.

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hal-05598643 , version 1 (21-04-2026)

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  • HAL Id : hal-05598643 , version 1

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Lendy Mulot, Basil Duvernoy, William Frier, Saito Sakaguchi, Anders Fridberger, et al.. Methods for Measuring Sub-Surface Skin Displacement during Ultrasound Mid-Air Haptic Stimulation. Eurohaptics 2026, Jul 2026, Sienne, Italy. ⟨hal-05598643⟩
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