Helical distributed feedback fiber Bragg gratings and rocking filters in a 3D printed preform-drawn fiber.
Opt Lett
; 45(19): 5444-5447, 2020 Oct 01.
Article
em En
| MEDLINE
| ID: mdl-33001915
ABSTRACT
Using induced UV attenuation across a twisted fiber asymmetric core drawn from a 3D printed preform, linear fiber Bragg gratings (FBGs) are produced on one side of the core. By removing the twist, a helical grating with a period matching the twist rate is produced. Balancing the rate with the polarization beat length in a form birefringent fiber allows the production of a combined rocking filter and FBG device with tunable properties. Direct observation of the fiber grating dispersion within the rocking filter rejection band is possible.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Opt Lett
Ano de publicação:
2020
Tipo de documento:
Article