Fiber Bragg gratings; polymer optical fibers; High reflectivity; Laser point; Long fiber; Modulation amplitudes; Point by point techniques; Poly(methyl methacrylate); Poly-methyl methacrylates; Polymer optical fibre; Pulse energies; Refractive-index modulation; Electronic, Optical and Magnetic Materials; Condensed Matter Physics; Computer Science Applications; Applied Mathematics; Electrical and Electronic Engineering
Abstract :
[en] In this work, we reported 2-mm-long fiber Bragg gratings (FBGs) in benzyl dimethyl ketal (BDK)-doped poly(methyl methacrylate) (PMMA) optical fibers by means of a 520 nm femtosecond laser and point-by-point FBG inscription technique. The highest reflectivity of ~99% is obtained with a pulse energy of 11.2 nJ, showing a large refractive index modulation amplitude of 7.2×10−4
Disciplines :
Materials science & engineering
Author, co-author :
Li, Jiaxin; Research Center for Advanced Optics and Photoelectronics, Department of Physics, College of Science, Shantou University, Shantou, China
Chen, Zhen; Research Center for Advanced Optics and Photoelectronics, Department of Physics, College of Science, Shantou University, Shantou, China
Cheng, Xin; Photonics Research Centre, Department of Electrical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong
Qu, Hang; Research Center for Advanced Optics and Photoelectronics, Department of Physics, College of Science, Shantou University, Shantou, China
Caucheteur, Christophe ; Université de Mons - UMONS > Faculté Polytechnique > Service d'Electromagnétisme et Télécommunications
Hu, Xuehao ; Université de Mons - UMONS > Recherche > Service ERC Unit - Advanced Photonic
Language :
English
Title :
Bragg grating inscription in BDK-doped PMMA optical fiber using femtosecond laser point-by-point technique
Publication date :
2023
Event name :
European Workshop on Optical Fibre Sensors (EWOFS 2023)
Event place :
Mons, Bel
Event date :
23-05-2023 => 26-05-2023
Main work title :
European Workshop on Optical Fibre Sensors, EWOFS 2023
Editor :
Wuilpart, Marc ; Université de Mons - UMONS > Faculté Polytechnique > Service d'Electromagnétisme et Télécommunications
Publisher :
SPIE
ISBN/EAN :
978-1-5106-6500-2
Peer reviewed :
Peer reviewed
Research unit :
F108 - Electromagnétisme et Télécommunications
Research institute :
Research Institute for Materials Science and Engineering
Funders :
engionic Fiber Optics GmbH et al. Multitel Innovation Centre NorthLab Photonics AB Telebrooks Optronics Teledyne SP Devices
Funding text :
The Fonds de la Recherche Scientifique (F.R.S.-FNRS) under the Postdoctoral Researcher grant (Chargé de Recherches) of Xuehao Hu and the Senior Research Associate Position of Christophe Caucheteur.
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