Bragg gratings and Fabry-Perot interferometers on an Er-MgO-doped optical fiber

Tiago Paixão, Luís Pereira, Rui Min, Carlo Molardi, Wilfried Blanc, Daniele Tosi, Carlos Marques, Paulo Antunes

Research output: Contribution to journalArticle

Abstract

In this paper, the fabrication of fiber Bragg gratings (FBGs) and intrinsic Fabry-Pérot interferometers (IFPIs) on an Er-MgO-doped silica optical fiber is reported. The inscription of both sensing devices was performed by means of a femtosecond laser, using the phase mask method to inscribe the FBG and a micromachining platform for the IFPI. Thermal and strain characterizations were performed for both devices, achieving the maximum sensitivities of 12.57 pm/°C and 0.85 pm/µε for the FBG case, and 10.2 pm/°C and 0.91 pm/µε for the IFPI. A high temperature experiment was conducted to assess the thermal behavior of the inscribed FBG, revealing sensing capabilities for temperatures up to 700 °C. The results confirm that this new type of fiber will have an important role on the development of new optoelectronic devices, such as fiber lasers, optical amplifiers and sensors.

Original languageEnglish
Article number105946
JournalOptics and Laser Technology
Volume123
DOIs
Publication statusPublished - Mar 2020

Fingerprint

Fabry-Perot interferometers
Bragg gratings
Fiber Bragg gratings
Optical fibers
optical fibers
Interferometers
fibers
interferometers
Light amplifiers
Micromachining
Optical sensors
Fiber lasers
Ultrashort pulses
Silicon Dioxide
Optoelectronic devices
Masks
optical measuring instruments
micromachining
optoelectronic devices
light amplifiers

Keywords

  • Doped optical fiber
  • Fabry-Pérot interferometer
  • Femtosecond Laser
  • Fiber bragg grating

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Bragg gratings and Fabry-Perot interferometers on an Er-MgO-doped optical fiber. / Paixão, Tiago; Pereira, Luís; Min, Rui; Molardi, Carlo; Blanc, Wilfried; Tosi, Daniele; Marques, Carlos; Antunes, Paulo.

In: Optics and Laser Technology, Vol. 123, 105946, 03.2020.

Research output: Contribution to journalArticle

Paixão, T, Pereira, L, Min, R, Molardi, C, Blanc, W, Tosi, D, Marques, C & Antunes, P 2020, 'Bragg gratings and Fabry-Perot interferometers on an Er-MgO-doped optical fiber', Optics and Laser Technology, vol. 123, 105946. https://doi.org/10.1016/j.optlastec.2019.105946
Paixão, Tiago ; Pereira, Luís ; Min, Rui ; Molardi, Carlo ; Blanc, Wilfried ; Tosi, Daniele ; Marques, Carlos ; Antunes, Paulo. / Bragg gratings and Fabry-Perot interferometers on an Er-MgO-doped optical fiber. In: Optics and Laser Technology. 2020 ; Vol. 123.
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