Femtosecond FBG written through the coating for sensing applications

J Habel, T Boilard, JS Frenière, F Trépanier, M Bernier - Sensors, 2017 - mdpi.com
Type I fiber Bragg gratings (FBG) written through the coating of various off-the-shelf silica
fibers with a femtosecond laser and the phase-mask technique are reported. Inscription …

High mechanical strength fiber Bragg gratings made with infrared femtosecond pulses and a phase mask

M Bernier, F Trépanier, J Carrier, R Vallée - Optics letters, 2014 - opg.optica.org
We report that by using 800 nm femtosecond pulses and the phase-mask technique, first-
order fiber Bragg gratings with refractive index modulation in excess of 1× 10^− 3 can be …

Direct inscription of Bragg gratings in coated fibers by an infrared femtosecond laser

A Martinez, IY Khrushchev, I Bennion - Optics letters, 2006 - opg.optica.org
Inscription of fiber Bragg gratings through the coating of a nonphotosensitized standard
telecommunication fiber is demonstrated for what is believed to be the first time. Highly …

Ytterbium fiber laser based on first-order fiber Bragg gratings written with 400nm femtosecond pulses and a phase-mask

M Bernier, R Vallée, B Morasse, C Desrosiers… - Optics express, 2009 - opg.optica.org
A Fiber Bragg grating of 369 nm pitch was inscribed in a germanium-free double-clad
ytterbium doped silica fiber using a femto-second pulse train at 400 nm wavelength and a …

Fatigue performance of type I and type II fibre Bragg gratings fabricated by femtosecond laser inscription through the coating

N Zhang, S Turk, C Davis, WK Chiu, T Boilard… - Sensors, 2022 - mdpi.com
Strain sensing technology using fibre Bragg grating (FBG) sensors is an attractive capability
for aerospace structural health monitoring (SHM) and assessment because they offer …

[PDF][PDF] Efficient grating writing through fibre coating with femtosecond IR radiation and phase mask

SJ Mihailov, D Grobnic, CW Smelser - Electronics Letters, 2007 - researchgate.net
Conclusions: Fibre Bragg gratings have been inscribed directly through the polymer coating
of hydrogen-loaded standard telecommunication fibre with femtosecond 800 nm IR radiation …

High-precision fiber Bragg gratings inscription by infrared femtosecond laser direct-writing method assisted with image recognition

Y Yu, J Shi, F Han, W Sun, X Feng - Optics Express, 2020 - opg.optica.org
For achieving high efficiency fiber Bragg gratings (FBGs) utilizing infrared femtosecond laser
point-by-point inscription method, it is crucial to make the inscribed periodic structure …

Efficient fiber Bragg grating and fiber Fabry-Perot sensor multiplexing scheme using a broadband pulsed mode-locked laser

GA Cranch, GMH Flockhart… - Journal of lightwave …, 2005 - opg.optica.org
A pulsed broadband mode-locked laser (MLL) combined with interferometric interrogation is
shown to yield an efficient means of multiplexing a large number of fiber Bragg grating (FBG) …

Bragg grating writing through the polyimide coating of high NA optical fibres with femtosecond IR radiation

SJ Mihailov, D Grobnic, RB Walker, CW Smelser… - Optics …, 2008 - Elsevier
Bragg gratings are written with ultrafast 800 nm radiation and a phase mask through the
polyimide polymer coatings of commercially available high NA fibres that are both unloaded …

Femtosecond inscription of fiber Bragg gratings through the coating with a Low-NA lens

A Halstuch, A Shamir, AA Ishaaya - Optics Express, 2019 - opg.optica.org
Fiber Bragg grating (FBG) inscription in standard fibers with femtosecond (fs) laser pulses
was first reported nearly two decades ago. FBG fs inscription through the fiber polymer …