1. Confocal air-coupled ultrasonic optical coherence elastography probe for quantitative biomechanics

    Confocal air-coupled ultrasonic optical coherence elastography probe for quantitative biomechanics

    We present an air-coupled ultrasonic radiation force probe co-focused with a phase-sensitive optical coherence tomography (OCT) system for quantitative wave-based elastography. A custom-made 1 MHz spherically focused piezoelectric transducer with a concentric 10 mm wide circular opening allowed for confocal micro-excitation of waves and phase-sensitive OCT imaging.

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