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Related Experiment Video

Updated: Jul 14, 2026

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

Long-term stable device for tuning fiber Bragg gratings.

Erik Bélanger1, Bernard Déry, Martin Bernier

  • 1Centre d'Optique, Photonique et laser, Université Laval, Québec, Canada. erik.belanger.1@ulaval.ca

Applied Optics
|May 22, 2007
PubMed
Summary

A new composite beam bending method effectively tunes fiber Bragg gratings. This technique offers a stable, reliable device with an 80 nm dynamic range and low insertion loss.

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Area of Science:

  • Optoelectronics
  • Materials Science
  • Photonics

Background:

  • Fiber Bragg gratings (FBGs) are crucial optical components.
  • Tuning FBG properties is essential for advanced optical systems.
  • Existing tuning methods may lack long-term stability or dynamic range.

Purpose of the Study:

  • To demonstrate an effective and reliable method for tuning fiber Bragg gratings.
  • To present a stable tunable FBG device with specific performance characteristics.

Main Methods:

  • Utilizing a composite beam bending approach.
  • Careful selection of embedding materials for FBG fabrication.
  • Characterization of device stability, dynamic range, and optical losses.

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A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
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Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon
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Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

Related Experiment Videos

Last Updated: Jul 14, 2026

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
08:23

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon
07:22

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

Main Results:

  • The composite beam bending method proved effective for FBG tuning.
  • A long-term stable tunable FBG device was successfully fabricated.
  • The device achieved a dynamic range of 80 nm.
  • Insertion losses were measured to be less than 0.28 dB.
  • Small variations in the full width at half-maximum were observed.

Conclusions:

  • The composite beam bending method is a viable technique for tuning FBGs.
  • This approach enables the creation of stable, high-performance tunable optical devices.
  • The presented device offers significant advantages for applications requiring precise wavelength control.