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Abstract
Transparent ultrasound transducers (TUTs) offer seamless integration of optical and ultrasound components, but acoustic impedance mismatch limits their performance. This study presents a novel transparent adhesive based on a silicon dioxide-epoxy composite for matching and backing layers, enabling the creation of an ultrasensitive, broadband TUT with high optical transparency. This TUT achieves high-contrast and high-definition dual-modal ultrasound and photoacoustic imaging in live animals and humans, reaching depths exceeding 15 mm with exceptional depth-to-resolution ratios.
Publisher
Nature Communications
Published On
Feb 16, 2024
Authors
Seonghee Cho, Minsu Kim, Joongho Ahn, Yeonggeun Kim, Junha Lim, Jeongwoo Park, Hyung Ham Kim, Won Jong Kim, Chulhong Kim
Tags
transparent ultrasound transducers
silicon dioxide-epoxy composite
photoacoustic imaging
high optical transparency
dual-modal imaging

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