Polymer-based ultrawideband transducers for high resolution hemispherical optoacoustic tomography

Amanda P. Siegel; Rayyan Manwar; Kamran Avanaki

doi:10.1038/s41377-025-02101-8

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Polymer-based ultrawideband transducers for high resolution hemispherical optoacoustic tomography

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- Polymer-based ultrawideband transducers for high resolution hemispherical optoacoustic tomography
- Light: Science & Applications Vol. 15, Issue 2, Pages: 353-356(2026)
- Affiliations：
  
  1.Richard and Loan Hill Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, USA
  2.Section of Neonatology, Department of Pediatrics, UI Health Children's Hospital of the University of Illinois at Chicago, Chicago, IL, USA
  3.Department of Dermatology, University of Illinois at Chicago, Chicago, IL, USA
- Author bio：
  
  Kamran Avanaki (avanaki@uic.edu)
- Funds：
- DOI：10.1038/s41377-025-02101-8
  CLC：
- Online First：01 January 2026，
  
  Published：28 February 2026
- Accepted：
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Siege, A. P., Manwar, R. & Avanaki, K. Polymer-based ultrawideband transducers for high resolution hemispherical optoacoustic tomography. Light: Science & Applications, 15, 353-356 (2026).
DOI：

Siege, A. P., Manwar, R. & Avanaki, K. Polymer-based ultrawideband transducers for high resolution hemispherical optoacoustic tomography. Light: Science & Applications, 15, 353-356 (2026). DOI： 10.1038/s41377-025-02101-8.

摘要

Abstract

Available transducers do not fulfill all of the necessary design criteria for high-performance hemispherical optoacoustic tomography

namely: an ultrawide bandwidth in order to acquire the full range of optoacoustic emissions from targets of interest

good impedance matching to minimize reverberation artifacts

and a modifiable form factor

for inclusion in non-flat geometries. Polyvinylidene fluoride (PVDF) transducers can

in principle

meet all of these criteria

but PVDF has known shortcomings. In

Ultrawideband high-density polymer-based spherical array for functional optoacoustic micro-angiography

all of the challenges of working with PVDF are overcome with the demonstration of a high-performance PVDF-based hemispherical optoacoustic tomographic system.

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Keywords

references

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