Bragg Gratings Inscription in Highly Birefringent Microstructured POFs
; Marques, T. H. R.
; Napierala, M.
; Tenderenda, T.
; Mergo, P.
; Nasilowski, T.
; Cordeiro, C. M. B.
IEEE Photonics Technology Letters Vol. 28, Nº 6, pp. 621 - 624, November, 2015.
ISSN (print): 1041-1135
ISSN (online): 1041-1135
Journal Impact Factor: 2,110 (in 2014)
Digital Object Identifier: 10.1109/LPT.2015.2503241
We report for the first time, the fast inscription of high quality Bragg gratings in highly birefringent microstructured polymer optical fibers by the phase mask method using 248 nm UV radiation. The fibers birefringence is created through a special design of the structure of holes through the fiber. A Bragg grating in these type of fibers allows the creation of two reflection peaks, where the peak separation is related to the phase birefringence.