Intrasweep phase-sensitive optical coherence tomography for noncontact optical photoacoustic imaging

Cedric Blatter; Branislav Grajciar; Pu Zou; Wolfgang Wieser; Aart Jan Verhoef; Robert Huber; Rainer A. Leitgeb

doi:10.1364/OL.37.004368

Intrasweep phase-sensitive optical coherence tomography for noncontact optical photoacoustic imaging

Cedric Blatter, Branislav Grajciar, Pu Zou, Wolfgang Wieser, Aart Jan Verhoef, Robert Huber, Rainer A. Leitgeb^*

^*Corresponding author for this work

Institute of Biomedical Optics

34 Citations (Scopus)

Abstract

We introduce a method to extract the photoacoustic (PA) signal from the phase time evolution of an optical coherence tomography (OCT) swept source spectral sweep. This all-optical detection is achieved in a noncontact fashion directly on the sample surface by using its specular reflection. High-speed measurement and referencing allow for close to shot noise limited phase-sensitive detection. It offers a simple way to perform OCT and PA imaging by sharing the same system components.

Original language	English
Journal	Optics Letters
Volume	37
Issue number	21
Pages (from-to)	4368-4370
Number of pages	3
ISSN	0146-9592
DOIs	https://doi.org/10.1364/OL.37.004368
Publication status	Published - 01.11.2012

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AU - Zou, Pu

AU - Wieser, Wolfgang

AU - Verhoef, Aart Jan

AU - Huber, Robert

AU - Leitgeb, Rainer A.

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Intrasweep phase-sensitive optical coherence tomography for noncontact optical photoacoustic imaging

Abstract

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