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Do-it-yourself three-dimensional large core multimode fiber splitters through consumer-grade 3D printer

Oliveira, R. ; Nogueira, R.N. ; Bilro, L.

Optical Materials Express Vol. 12, Nº 2, pp. 593 - 605, January, 2022.

ISSN (print): 2159-3930
ISSN (online):

Scimago Journal Ranking: 0,67 (in 2022)

Digital Object Identifier: 10.1364/OME.449425

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We report the design, fabrication and characterization of 3D large core (1 mm) multimode fiber splitters using a low-cost stereolithography 3D printer. The results were accomplished for symmetrical 1 × 2 and 1 × 4 splitters, where the angle between the output arms was varied from 10 to 180°, showing good uniformity between the splitting ratios. Asymmetrical 1 × 2 splitters were also studied to achieve different splitting ratios. This was done by fixing one arm at a specific angle, while varying the other. Results were quite satisfactory, paving the way for simple and customizable manufacturing of passive optical elements.