4.6 Article

Miniature 120-beam coherent combiner with 3D-printed optics for multicore fiber-based endoscopy

Journal

OPTICS LETTERS
Volume 46, Issue 19, Pages 4968-4971

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.435063

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Funding

  1. Region Hauts-de-France (CPER P4S)
  2. Agence Nationale de la Recherche [ANR-20-CE19-0028-02, ANR-11-EQPX-0017, ANR-16-CONV-0001]
  3. Fondation Aix-Marseille Universite [A-M-AAPID-17-13-170228-15.22-RIGNEAULT]
  4. National Institutes of Health [NIH R21 EY029406-01]
  5. King Abdullah University of Science and Technology [BAS/1/1064-01-01]

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This study presents a high-efficiency, miniaturized coherent beam that can be combined directly on the tip of a multicore fiber bundle, allowing for two-photon imaging. The compact device footprint facilitates its incorporation into a minimally invasive ultra-thin nonlinear endoscope.
In this Letter, we report a high-efficiency, miniaturized, ultra-fast coherent beam, combined with 3D-printed micro-optics directly on the tip of a multicore fiber bundle. The highly compact device footprint (180 mu m in diameter) facilitates its incorporation into a minimally invasive ultra-thin nonlinear endoscope to perform two-photon imaging. (C) 2021 Optical Society of America

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