The study of the thermal annealing of the Bragg gratings induced in the hydrogenated birefringent optical fiber with an elliptical stress cladding

International Conference of Young Scientists and Specialists "Optics-2015"

Munko, A.S.^1 ; Varzhel, S.V.^1 ; Arkhipov, S.V.^1 ; Gribaev, A.I.^1 ; Konnov, K.A.^1 ; Belikin, M.N.^1

Saint-Petersburg National Research University of Informational Technologies, Mechanics and Optics, Saint-Petersburg, Russia^1

关键词: Birefringent fibers;    Birefringent optical fiber;    Fiber Bragg;    Lightguides;    Photorefractivity;    Refractive index gratings;    Thermal impacts;    Thermal-annealing;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/735/1/012015/pdf
DOI  :  10.1088/1742-6596/735/1/012015

来源: IOP

【 摘 要 】

In this work the comparative results on the dynamics of fiber Bragg gratings inscription in both the conventional and the subjected to hydrogenation birefringent optical fiber with elliptical stress cladding as well as in the same type of lightguide with the increased GeO2concentration are presented. Also the research on the thermal impact on the fiber Bragg gratings written in the birefringent fiber with elliptical stress cladding has been carried out. The dependences of the fiber Bragg reflectance coefficient on the time of the thermal impact, obtained by annealing of the refractive index gratings, induced in the optical fibers with increased photorefractivity, are shown.