High-resolution silicon photonics focused ultrasound transducer with a sub-millimeter aperture

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • Michael Nagli
  • Jürgen Koch
  • Yoav Hazan
  • Ahiad Levi
  • Orna Ternyak
  • Ludger Overmeyer
  • Amir Rosenthal

Externe Organisationen

  • Technion-Israel Institute of Technology
  • Laser Zentrum Hannover e.V. (LZH)
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Details

OriginalspracheEnglisch
Seiten (von - bis)2668-2671
Seitenumfang4
FachzeitschriftOptics letters
Jahrgang48
Ausgabenummer10
Frühes Online-Datum17 Apr. 2023
PublikationsstatusVeröffentlicht - 10 Mai 2023
Extern publiziertJa

Abstract

We present an all-optical focused ultrasound transducer with a sub-millimeter aperture and demonstrate its capability for high-resolution imaging of tissue ex vivo. The transducer is composed of a wideband silicon photonics ultrasound detector and a miniature acoustic lens coated with a thin optically absorbing metallic layer used to produce laser-generated ultrasound. The demonstrated device achieves axial resolution and lateral resolutions of 12 µm and 60 µm, respectively, well below typical values achieved by conventional piezoelectric intravascular ultrasound. The size and resolution of the developed transducer may enable its use for intravascular imaging of thin fibrous cap atheroma.

ASJC Scopus Sachgebiete

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High-resolution silicon photonics focused ultrasound transducer with a sub-millimeter aperture. / Nagli, Michael; Koch, Jürgen; Hazan, Yoav et al.
in: Optics letters, Jahrgang 48, Nr. 10, 10.05.2023, S. 2668-2671.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Nagli, M, Koch, J, Hazan, Y, Levi, A, Ternyak, O, Overmeyer, L & Rosenthal, A 2023, 'High-resolution silicon photonics focused ultrasound transducer with a sub-millimeter aperture', Optics letters, Jg. 48, Nr. 10, S. 2668-2671. https://doi.org/10.1364/OL.486567
Nagli, M., Koch, J., Hazan, Y., Levi, A., Ternyak, O., Overmeyer, L., & Rosenthal, A. (2023). High-resolution silicon photonics focused ultrasound transducer with a sub-millimeter aperture. Optics letters, 48(10), 2668-2671. https://doi.org/10.1364/OL.486567
Nagli M, Koch J, Hazan Y, Levi A, Ternyak O, Overmeyer L et al. High-resolution silicon photonics focused ultrasound transducer with a sub-millimeter aperture. Optics letters. 2023 Mai 10;48(10):2668-2671. Epub 2023 Apr 17. doi: 10.1364/OL.486567
Nagli, Michael ; Koch, Jürgen ; Hazan, Yoav et al. / High-resolution silicon photonics focused ultrasound transducer with a sub-millimeter aperture. in: Optics letters. 2023 ; Jahrgang 48, Nr. 10. S. 2668-2671.
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AU - Ternyak, Orna

AU - Overmeyer, Ludger

AU - Rosenthal, Amir

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