Fast and stable gratings inscription in POFs made of different materials with pulsed 248 nm KrF laser | Zendy

Carlos Marques | Zendy; Rui Min | Zendy; Arnaldo Leal-Júnior | Zendy; Paulo Antunes | Zendy; Andrea Fasano | Zendy; Getinet Woyessa | Zendy; K. Nielsen | Zendy; Henrik Koblitz Rasmussen | Zendy; B. Ortega | Zendy; Ole Bang | Zendy

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Fast and stable gratings inscription in POFs made of different materials with pulsed 248 nm KrF laser

Author(s) -

Carlos Marques,

Rui Min,

Arnaldo Leal-Júnior,

Paulo Antunes,

Andrea Fasano,

Getinet Woyessa,

K. Nielsen,

Henrik Koblitz Rasmussen,

B. Ortega,

Ole Bang

Publication year - 2018

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.26.002013

Subject(s) - materials science , optics , laser , fiber bragg grating , inscribed figure , polycarbonate , optical fiber , polymer , phosfos , fiber laser , grating , wavelength , optoelectronics , plastic optical fiber , fiber , fiber optic sensor , composite material , physics , geometry , mathematics

This paper presents fiber Bragg grating (FBG) inscription with a pulsed 248 nm UV KrF laser in polymer optical fibers (POFs) made of different polymers, namely polymethyl methacrylate (PMMA), cyclic-olefin polymer and co-polymer, and Polycarbonate. The inscribed gratings and the corresponding inscription parameters are compared with grating inscribed in POFs made of the aforementioned materials but with the hitherto most used laser for inscription, which is a continuous wave 325 nm UV HeCd laser. Results show a reduction of the inscription time of at least 16 times. The maximum time reduction is more than 130 times. In addition, a reflectivity and a bandwidth close to or higher than the ones with the 325 nm laser were obtained. The polymer optical fiber Bragg gratings (POFBGs) inscribed with the 248 nm laser setup present high stability with small variations in their central wavelength, bandwidth, and reflectivity after 40 days.

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