Review of femtosecond-laser-inscribed fiber Bragg gratings: fabrication technologies and sensing applications

J He, B Xu, X Xu, C Liao, Y Wang - Photonic Sensors, 2021 - Springer
Fiber Bragg grating (FBG) is the most widely used optical fiber sensor due to its compact
size, high sensitivity, and easiness for multiplexing. Conventional FBGs fabricated by using …

Extreme environment sensing using femtosecond laser-inscribed fiber Bragg gratings

SJ Mihailov, D Grobnic, C Hnatovsky, RB Walker, P Lu… - Sensors, 2017 - mdpi.com
The femtosecond laser-induced fiber Bragg grating is an effective sensor technology that
can be deployed in harsh environments. Depending on the optical fiber chosen and the …

[PDF][PDF] Advances in femtosecond laser direct writing of fiber Bragg gratings in multicore fibers: technology, sensor and laser applications

A Wolf, A Dostovalov, K Bronnikov, M Skvortsov… - Opto-Electron …, 2022 - researching.cn
In this article, we review recent advances in the technology of writing fiber Bragg gratings
(FBGs) in selected cores of multicore fibers (MCFs) by using femtosecond laser pulses. The …

[HTML][HTML] Recent advancements in fiber Bragg gratings based temperature and strain measurement

CVN Bhaskar, S Pal, PK Pattnaik - Results in Optics, 2021 - Elsevier
Abstract Fiber Bragg Gratings or FBGs have achieved significant attention towards sensing
and communication applications due to their outstanding advantages. Due to its high …

Plasmonic optical fiber-grating immunosensing: a review

T Guo, Á González-Vila, M Loyez, C Caucheteur - Sensors, 2017 - mdpi.com
Plasmonic immunosensors are usually made of a noble metal (in the form of a film or
nanoparticles) on which bioreceptors are grafted to sense analytes based on the …

Review of femtosecond laser direct writing fiber-optic structures based on refractive index modification and their applications

J Zhao, Y Zhao, Y Peng, R Lv, Q Zhao - Optics & Laser Technology, 2022 - Elsevier
Femtosecond (fs) laser pulses direct writing technology has been extensively employed to
achieve microfabrication in various optical fibers for a broad range of applications. In this …

Sub-surface thermal measurement in additive manufacturing via machine learning-enabled high-resolution fiber optic sensing

R Wang, R Wang, C Dou, S Yang… - Nature …, 2024 - nature.com
Microstructures of additively manufactured metal parts are crucial since they determine the
mechanical properties. The evolution of the microstructures during layer-wise printing is …

Femtosecond point-by-point inscription of Bragg gratings by drawing a coated fiber through ferrule

AV Dostovalov, AA Wolf, AV Parygin, VE Zyubin… - Optics express, 2016 - opg.optica.org
A ferrule-based method of direct fs FBG inscription through protective plastic coating is
demonstrated. Fluctuations of fiber core position relative to the writing fs beam are …

Femtosecond pulse written fiber gratings: a new avenue to integrated fiber technology

J Thomas, C Voigtlaender, RG Becker… - Laser & Photonics …, 2012 - Wiley Online Library
The use of ultrashort laser pulses for fiber grating inscription has many advantages in
comparison to continuous wave and long pulse lasers. The most important one is that it …

Cladding mode coupling in highly localized fiber Bragg gratings: modal properties and transmission spectra

J Thomas, N Jovanovic, RG Becker, GD Marshall… - Optics express, 2010 - opg.optica.org
The spectral characteristics of a fiber Bragg grating (FBG) with a transversely
inhomogeneous refractive index profile, differs considerably from that of a transversely …