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Ülgen, O. ; Shnaiderman, R. ; Zakian Dominguez, C.M. ; Ntziachristos, V.

Interferometric optical fiber sensor for optoacoustic endomicroscopy.

J. Biophotonics 14:e202000501 (2021)
Verlagsversion DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
Optical fiber sensors can offer robust and miniaturized detection of wideband ultrasound, yielding high sensitivity and immunity to electromagnetic interference. However, the lack of cost-effective manufacturing methods prevents the disseminated use of these sensors in biomedical applications. In this study, we developed and optimized a simple method to create optical cavities with high-quality mirrors for acoustic sensing based on micro-manipulation of UV-curable optical adhesives and electroless chemical silver deposition. This approach enables the manufacturing of ultrasound sensors based on Fabry-Pérot Interferometers (FPI) on optical fiber tips with minimal production costs. Characterization and high-resolution optoacoustic imaging experiments show that the manufacturing process yielded a fiber sensor with a small NEP (11 mPa/ Hz ) over a broad detection bandwidth (25 MHz), generally outperforming conventional piezoelectric based transducers. We discuss how the new manufacturing process leads to a high-performance acoustic detector that, due to low cost, can be used as a disposable sensor.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Endomicroscopy ; Fabry-pérot Interferometer ; Optical Fiber Sensor ; Optical Resonator ; Optoacoustic Imaging ; Ultrasound Transducer; Polymer-film; Photoacoustic Microscopy; Ultrasound Sensor
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 1864-063X
e-ISSN 1864-0648
Zeitschrift Journal of Biophotonics
Quellenangaben Band: 14, Heft: 7, Seiten: , Artikelnummer: e202000501 Supplement: ,
Verlag Wiley
Verlagsort Postfach 101161, 69451 Weinheim, Germany
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Biological and Medical Imaging (IBMI)
POF Topic(s) 30205 - Bioengineering and Digital Health
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-505500-001
Förderungen Horizon 2020 Framework Programme
DOI 10.1002/jbio.202000501
WOS ID WOS:000756937000005
WOS ID WOS:000637590200001
Scopus ID 85104043232
PubMed ID 33773073
Erfassungsdatum 2021-05-20
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