Design and fabrication of large-mode-area multicore chalcogenide fiber with low bending loss.
Opt Express
; 31(26): 43342-43350, 2023 Dec 18.
Article
en En
| MEDLINE
| ID: mdl-38178429
ABSTRACT
Multicore fiber (MCF) has a larger mode-area (LMA) compared to traditional single-core fiber, making it easy to get a mode area of more than 3000 µm2 with an optimized MCF structure. Here, a fine-structured 19-core fiber based on chalcogenide glass was fabricated using a combined method involving extrusion, drilling, and rod-in-tube for the first time. The fiber has a minimum transmission loss of 1.8â
dB/m at 6.7 µm. When the bending radius exceeds 6â
cm, a low bending loss of about 0.6â
dB appears, and the experimental data are in good agreement with the simulation results. In addition, the supermode characteristics of the 19-core fiber are analyzed from both perspectives of simulation and experiment, and these results are perfectly in good agreement. We believe it opens a new way to develop high-power and bend-resisting fiber with such kind of multicore structure.
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1
Colección:
01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
Opt Express
Asunto de la revista:
OFTALMOLOGIA
Año:
2023
Tipo del documento:
Article
Pais de publicación:
Estados Unidos