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Wissmeyer, G. ; Soliman, D. ; Shnaiderman, R. ; Rosenthal, A. ; Ntziachristos, V.

All-optical optoacoustic microscope based on wideband pulse interferometry.

Opt. Lett. 41, 1953-1956 (2016)
Postprint DOI
Open Access Green
Optical and optoacoustic (photoacoustic) microscopy have been recently joined in hybrid implementations that resolve extended tissue contrast compared to each modality alone. Nevertheless, the application of the hybrid technique is limited by the requirement to combine an optical objective with ultrasound detection collecting signal from the same micro-volume. We present an all-optical optoacoustic microscope based on a pi-phase-shifted fiber Bragg grating (π-FBG) with coherence-restored pulsed interferometry (CRPI) used as the interrogation method. The sensor offers an ultra-small footprint and achieved higher sensitivity over piezoelectric transducers of similar size. We characterize the spectral bandwidth of the ultrasound detector and interrogate the imaging performance on phantoms and tissues. We show the first optoacoustic images of biological specimen recorded with π-FBG sensors. We discuss the potential uses of π-FBG sensors based on CRPI.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Resolution Photoacoustic Microscopy; Fiber Sensors; Ultrasound; Tomography; Phase
Sprache englisch
Veröffentlichungsjahr 2016
HGF-Berichtsjahr 2016
ISSN (print) / ISBN 0146-9592
e-ISSN 1539-4794
Zeitschrift Optics Letters
Quellenangaben Band: 41, Heft: 9, Seiten: 1953-1956 Artikelnummer: , Supplement: ,
Verlag Optical Society of America (OSA)
Verlagsort Washington
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
DOI 10.1364/OL.41.001953
WOS ID WOS:000375073900015
Scopus ID 84965064077
Erfassungsdatum 2016-04-21
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