Polarization-sensitive imaging with simultaneous bright- and dark-field optical coherence tomography | Zendy

Pablo Eugui | Zendy; Danielle J. Harper | Zendy; Antonia Lichtenegger | Zendy; Marco Augustin | Zendy; Conrad W. Merkle | Zendy; Adelheid Wöehrer | Zendy; Christoph K. Hitzenberger | Zendy; Bernhard Baumann | Zendy

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Polarization-sensitive imaging with simultaneous bright- and dark-field optical coherence tomography

Author(s) -

Pablo Eugui,

Danielle J. Harper,

Antonia Lichtenegger,

Marco Augustin,

Conrad W. Merkle,

Adelheid Wöehrer,

Christoph K. Hitzenberger,

Bernhard Baumann

Publication year - 2019

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.44.004040

Subject(s) - optics , optical coherence tomography , birefringence , polarization (electrochemistry) , scattering , light scattering , materials science , optical tomography , tomography , optical fiber , physics , chemistry

We present a polarization-sensitive (PS) extension for bright- and dark-field (BRAD) optical coherence tomography imaging. Using a few-mode fiber detection scheme, the light backscattered at different angles is separated, and the BRAD images of tissue scattering are generated. A calibration method to correct for the fiber birefringence is proposed. Since particle scattering profiles are polarization dependent, a PS detection extends the capabilities for investigating the scattering properties of biological tissues. Both phantoms consisting of different-sized microparticles and a brain tissue specimen were imaged to validate the system performance and demonstrate the complementary image contrast.

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