@ARTICLE {30441,
author={J.  Vieira and T. Paixão Paixão and P. Antunes and M. Facão and Ana M. Rocha},
doi={10.1016/j.ijleo.2021.166283},
journal={Optik},
title={Modelling, fabrication and characterization of long period gratings inscribed by femtosecond laser},
year={2021},
month={January},
volume={229},
number={December 2020},
pages={166283-166283},
ISSN={0030-4026}
}