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Microdrilled tapers to enhance optical fiber lasers for sensing

Abstract: In this work, an experimental analysis of the performance of diferent types of quasi-randomly distributed refectors inscribed into a single-mode fber as a sensing mirror is presented. These artifcially-controlled backscattering fber refectors are used in short linear cavity fber lasers. In particular, laser emission and sensor application features are analyzed when employing optical tapered fbers, micro-drilled optical fbers and 50 mm-waist or 100 mm-waist micro-drilled tapered fbers (MDTF). Single-wavelength laser with an output power level of about 8.2 dBm and an optical signal-to-noise ratio of 45 dB were measured when employing a 50 mm-waist micro-drilled tapered optical fber. The achieved temperature sensitivities were similar to those of FBGs; however, the strain sensitivity improved more than one order of magnitude in comparison with FBG sensors, attaining slope sensitivities as good as 18.1 pm/me when using a 50 mm-waist MDTF as distributed refector.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Perez-Herrera R.A., Bravo M., Roldan-Varona P., Leandro D., Rodriguez-Cobo L., Lopez-Higuera J.M., Lopez-Amo M.,

 Fuente: Scientific reports, 2021, 11, 20408

Editorial: Nature Publishing Group

 Fecha de publicación: 14/10/2021

Nº de páginas: 10

Tipo de publicación: Artículo de Revista

 DOI: 10.1038/s41598-021-00046-7

ISSN: 2045-2322

Proyecto español: PID2019-107270RB

Url de la publicación: https://doi.org/10.1038/s41598-021-00046-7

Autores/as

ROSA ANA PEREZ HERRERA

BRAVO, MIKEL

LEANDRO GONZÁLEZ, DANIEL

LÓPEZ-AMO SÁINZ, MANUEL