Wavelength drift of PMMA-based optical fiber bragg grating induced by optical absorption

Zhang, Wei, Abang, Ada, Webb, David J. and Peng, Gang-Ding (2015). Wavelength drift of PMMA-based optical fiber bragg grating induced by optical absorption. IEEE Photonics Technology Letters, 27 (4), pp. 336-339.

Abstract

The transmission loss in polymer optical fiber (POF) is much higher than that in silica fiber. Very strong absorption bands dominate throughout the visible and near infrared. Optical absorption increases the internal temperature of the polymer fiber and reduces the wavelength of any POF Bragg grating (POFBG) inscribed within the fiber. In this letter, we have investigated the wavelength drift of FBGs inscribed in poly(methyl methacrylate)-based fiber under illumination at different wavelengths. The experiments have shown that the characteristic wavelength of such a POFBG starts decreasing after a light source is applied to it. This decrease continues until equilibrium inside the fiber is established, depending on the surrounding humidity, optical power applied, and operation wavelength.

Publication DOI: https://doi.org/10.1109/LPT.2014.2371066
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Additional Information: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords: fiber bragg gratings,humidity dependence,photothermal effects polymer optical fiber,Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials
Full Text Link: http://ieeexplo ... rnumber=6975133
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2015-02-15
Authors: Zhang, Wei ( 0000-0002-3584-8541)
Abang, Ada
Webb, David J. ( 0000-0002-5495-1296)
Peng, Gang-Ding

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