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9 March 2020 All-fiber few-mode OCT using a photonic lantern (Conference Presentation)
Martin Poinsinet de Sivry, Simon Bolduc Beaudoin, Xavier Attendu, Nicolas Godbout, Caroline Boudoux
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Proceedings Volume 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV; 112280A (2020) https://doi.org/10.1117/12.2549025
Event: SPIE BiOS, 2020, San Francisco, California, United States
Abstract
We present here an all-fiber Few-Mode OCT system making use of a modally specific photonic lantern to simultaneously de-multiplex light exciting the first two propagation modes of a few-mode fiber. Each mode collects a distinct projection of the scattering phase function from light backscattered by the sample. This implementation is mechanically more robust, has an optimal interferometric contrast and is compatible with commercially available OCT systems. We present a proof-of-concept through the imaging of micro-beads generating varying contrast depending on their relative size. Such a system offers an additional means of intrinsic contrast for OCT.
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Martin Poinsinet de Sivry, Simon Bolduc Beaudoin, Xavier Attendu, Nicolas Godbout, and Caroline Boudoux "All-fiber few-mode OCT using a photonic lantern (Conference Presentation)", Proc. SPIE 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV, 112280A (9 March 2020); https://doi.org/10.1117/12.2549025
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KEYWORDS
Optical coherence tomography
Particles
Scattering
Interferometry
Mirrors
Optical resolution
Titanium dioxide
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