Title :
Fiber Bragg Grating Inscribed in Dual-Core Photonic Crystal Fiber
Author :
Xinpu Zhang ; Wei Peng
Author_Institution :
Coll. of Phys. & Optoelectron. Eng., Dalian Univ. of Technol., Dalian, China
Abstract :
We present a direct fiber Bragg grating (FBG) inscribed in a dual-core photonic crystal fiber (DCPCF) using a conventional FBG inscription setup. The DCPCF-FBG generates a distinctive reflection spectrum that exhibits both a broad reflected peak and a significant sidelobe on its short wavelength side only. We systematically characterized the temperature and strain sensitivities of the DCPCF-FBG, and demonstrated its temperature and strain characteristics. The response of the DCPCF-FBG to bending was also investigated, which distinguishes it from a conventional FBG.
Keywords :
Bragg gratings; fibre optic sensors; holey fibres; light reflection; optical fibre fabrication; optical fibre testing; photonic crystals; DCPCF-FBG inscription; dual-core photonic crystal fiber; fiber Bragg grating inscription; reflection spectrum; strain sensitivity characterization; temperature sensitivity characterization; Fiber gratings; Fiber lasers; Optical fiber sensors; Reflection; Strain; Temperature sensors; Fiber Bragg grating; Fiber optic sensor; fiber optic sensor; photonic crystal fiber;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2014.2367522
