Miniature 120-beam coherent combiner with 3D printed optics for multicore fiber based endoscopy
Siddharth Sivankutty, Andrea Bertoncini, Victor Tsvirkun, Naveen, Gajendra Kumar, Gaelle Br\'evalle, G\'eraud Bouwmans, Esben Ravn Andresen,, Carlo Liberale, Herv\'e Rigneault
TL;DR
This paper presents a compact, high-efficiency coherent beam combiner using 3D printed optics on multicore fibers, enabling minimally invasive two-photon imaging in endoscopy.
Contribution
It introduces a novel miniaturized coherent beam combining device with 3D printed optics directly on multicore fibers for endoscopic applications.
Findings
Achieved a device footprint of 180 microns.
Demonstrated high-efficiency beam combining.
Enabled integration into ultra-thin endoscopes.
Abstract
We report high efficiency, miniaturized, ultra-fast coherent beam combining with 3D printed micro-optics directly on the tip of a multicore fiber bundle. The highly compact device foot-print (180 micron diameter) facilitates its incorporation into a minimally invasive ultra-thin nonlinear endoscope to perform two-photon imaging
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